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Last updated: 5th April, 2024


Boiler Installation Edinburgh

Boiler Installation Edinburgh

Key takeaways

  • A-rated boilers can lead to significant energy bill reductions.
  • Various boiler types and property requirements influence installation costs.
  • Installation intricacies are unique to Edinburgh, impacting the process and cost.

When installing a new boiler, homeowners must consider the type, the brands available, and which model is best suited for their home.

Installing a new boiler in Edinburgh in 2024 brings with it the prospect of increased energy efficiency and cost savings over the long term. With energy prices continually fluctuating, 

Edinburgh residents are looking towards the latest A-rated boilers as a means to reduce heating bills. Insight from local installers suggests that an investment in a new system could save homeowners up to £840 per year, a significant saving that underscores the importance of selecting the right boiler and installation service.

The process of boiler installation entails a comprehensive understanding of various system types, such as combi boilers, system boilers, and conventional heat only boilers, each coming with different price points and functionality. 

Edinburgh's installation costs are influenced by factors like boiler type, property size, and installation complexity. While the average new gas system boiler cost might be around £2,700, a new oil system boiler could reach around £3,163. The intricacies of installing a central heating system in a historic city like Edinburgh add to the uniqueness of the task, with factors such as building regulations and property age playing pivotal roles in dictating the overall costs and installation procedures.

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Understanding Boiler Installation:

When installing a new boiler, homeowners must consider the type, the brands available, and which model is best suited for their home. The importance of balancing cost with energy efficiency and the boiler's capacity to meet household heating requirements cannot be overstated.

Types of Boilers

Boilers can be classified primarily into three categories:

  • Combi boilers provide both heating and hot water directly from the boiler, hence there is no need for a separate water tank. Ideal for smaller properties where space is a premium.

  • System boilers require a cylinder for storing hot water but do not require a tank for the heating system, which saves some space while providing hot water on demand.

  • Regular boilers, also known as conventional or traditional boilers, require both a cylinder and a tank and are suited to homes with multiple bathrooms and higher water usage.

It is imperative to note that gas boilers are the most common in the UK, but oil boilers exist for properties off the gas grid, and the choice between them depends on access to the fuel source and the goal of reducing one's carbon footprint.

Boiler Brands and Manufacturers

A variety of manufacturers supply boilers, with Worcester Bosch standing out as a leading provider known for their durable and efficient units. Other notable brands in the market include:

  • Baxi

  • Viessmann

  • Vaillant

  • Ideal Boilers

Each brand offers different models that vary in terms of energy efficiency, functionality, and price. Making an informed choice involves considering these variables and their implications on long-term energy costs and the environmental impact.

Choosing the Right Boiler for Your Home

Selecting the right boiler entails evaluating several factors, such as:

  1. Home Size and Hot Water Demand: Larger homes with more occupants may need a boiler with higher capacity.

  2. Energy Efficiency: Modern boilers tend to be more energy-efficient, which can lead to reduced energy bills and a lower carbon footprint. Look for an 'A-rated' boiler for optimal efficiency.

  3. Type of Boiler: Consider the layout and space available in your home. Combi boilers generally suit smaller homes, while system or regular boilers may be more appropriate for larger houses with higher water demands.

  4. Fuel Type: Availability of natural gas or oil will influence your choice between gas and oil boilers.

Professionals should be consulted to assess the specific needs of the home and to ensure the chosen boiler type will operate effectively and efficiently.

Edinburgh Boiler Installation in-depth Prices Breakdown:

In Edinburgh, the cost of installing a boiler has several components worth considering for a comprehensive understanding. The type of boiler chosen affects the price significantly. For instance, a combi boiler may cost around £1,500, while a traditional boiler installation might be approximately £2,000. These estimates are just starting points, as various factors such as the boiler's size and any additional complexity can influence the final cost.

Boiler Type

Average Cost (2024)

Combi Boiler


Conventional Boiler


It should be noted that these prices may fluctuate depending on the specifics of the installation site and the chosen brand or model. Moreover, the prices are subject to change with market variations or supplier pricing adjustments.

In addition to the boiler itself, homeowners must account for the necessary annual gas safety checks, which come as part of the insurance packages offered by some providers. Promotions may reduce these costs by up to 25%, depending on the provider selected. Energy efficiency is another critical factor; installing the latest A-rated boilers might save up to £840 annually on energy bills.

Lastly, although costs are essential, residents should equally prioritise skilled and certified engineers for safe and reliable installation. Local approved engineers are preferable but compare quotes from both local and national services for the best deal.

Edinburgh Combi Boiler Installation Average Costs

In Edinburgh, the costs of combi boiler installations for 2024 have a range, influenced by factors such as the model of the boiler and the complexity of the installation process. Let's explore how these costs can vary across the city's different postcodes.

Most Expensive Edinburgh Postcodes

The installation costs in Edinburgh's more affluent areas, like the EH3 and EH10 postcodes covering the New Town and Morningside respectively, tend to be higher. The higher end of the scale can extend up to £2,700. In such localities, the demand for premium services and models drives up the average installation price.

  1. EH3 (New Town, West End): ~£2,400 - £2,700

  2. EH10 (Morningside, Bruntsfield): ~£2,300 - £2,700

Least Expensive Edinburgh Postcodes

On the other hand, areas with a greater density of affordable housing options, including the outskirts and suburban zones like EH17 or EH28, see more competitive rates for combi boiler installations. Here, costs can start from around £1,500, making it slightly more accessible for residents.

  1. EH17 (Liberton, Gilmerton): ~£1,500 - £1,800

  2. EH28 (Newbridge, Ratho): ~£1,500 - £1,800

Please note that these prices serve as averages for 2024 and are subject to change based on specific requirements and market fluctuations.

Edinburgh System & Heat Only Boiler Installation Averages

In 2024, Edinburgh residents may observe a varying range of installation costs for system and heat only boilers across different postcodes. Factors influencing these variations include the complexity of the installation and local labour rates.

Most Expensive Edinburgh Postcodes

Postcodes in premium neighbourhoods often reflect higher boiler installation costs. Installation prices may peak due to demand for skilled tradespeople and the elevated property values in these areas.

  • EH1, EH2, EH3: These central Edinburgh postcodes tend to have the highest installation costs, with price averages potentially surpassing £3,500.

  • EH9, EH10: In more affluent suburbs like Marchmont and Morningside, residents might encounter quotes around £3,000 to £3,500.

Least Expensive Edinburgh Postcodes

Conversely, more affordable postcodes may have reduced boiler installation fees. Reductions in cost often reflect lower overheads and a competitive local market.

  • EH15, EH16: In outer suburbs such as Portobello and Liberton, installation costs can be notably lower, averaging between £1,500 and £2,200.

  • EH28, EH29: For areas surrounding Edinburgh, like Newbridge and Kirkliston, prices may likewise range from a more modest £1,600 to £2,300.

Boiler Installation Average Costs per UK Region vs National Average

In 2024, the landscape of boiler installation costs across the UK presents notable regional disparities. Typically, a new boiler cost encompasses the price of the unit along with labour, and potentially, additional elements like pipework or cold water storage alterations.

System boilers may command an average price of roughly £2,700 whilst a premium model, including supply and installation, nudges the scale to around £2,500. Combi boilers fall between £1,500 and £2,000. Labour expenses play a pivotal role, adding to the total cost of installation.

Edinburgh, within the broader Scottish region, might see installation costs reflect national averages, yet fluctuate depending on specifics such as boiler type and installation complexity. Here's a succinct overview:


System Boiler

Combi Boiler

Conventional to Combi Conversion

South East

£2,800 - £3,000

£1,650 - £2,100

£3,100 - £4,000


£2,700 - £3,200

£1,600 - £2,200

£3,200 - £4,500

North West

£2,600 - £2,900

£1,500 - £1,950

£2,900 - £3,800

National Average




Prices vary: a conversion from a back boiler to a combi system can introduce significant cost variations, attributable to the additional labour and materials. In Edinburgh, such conversions might edge towards the higher end, influenced by regional economic climates.

However, variables such as boiler brand, warranty length, and installation area remain consistent determinants of the final price. Using a boiler installation cost calculator can provide more personalised estimates, factoring in these variables alongside regional nuances.

Distinct from the initial boiler cost, "extras" often find their way into the final invoice. Addressing ancillary components like outdated pipework or the introduction of condensing technology can inflate costs invisibly.

When planning for a boiler replacement or new installation, one must recognise not only the baseline figures but also the potential for additional outlays. Across the UK, homeowners grapple with this financial tapestry, woven with regional threads and corners cut by the specifics of each unique installation.

Heating System Requirements

Selecting the appropriate heating system is pivotal for an efficient and cost-effective boiler installation in Edinburgh. Crucial considerations include the home's size, existing heating infrastructure, and anticipated hot water usage.

Evaluating Your Heating Needs

Before proceeding with a boiler installation, it's essential to assess the size of the property and the number of radiators required. The presence of existing infrastructure, such as pipework and thermostatic radiator valves, influence the complexity and cost of the project. An accurate estimation ensures the new boiler can deliver sufficient heat output without overloading.

  • Property Size: Calculating the total volume of the house aids in determining the boiler's required capacity.

  • Number of Radiators: The more radiators, the higher the necessary heat output.

Impact on Energy Bills

A well-chosen boiler can significantly lower energy bills by enhancing the efficiency of the heating system. Modern boilers are more energy-efficient compared to dated models, often resulting in substantial savings. Occupants should consider the boiler's efficiency rating and whether it aligns with their aim of efficient heating to reduce energy consumption.

  • Efficiency Rating: A higher rating indicates a more efficient heating system and potential savings.

  • Boiler Type: System and combi boilers differ; choose as per hot water demand and preferences.

Water Pressure and Hot Water Demand

Water pressure is a vital component of a home heating system, affecting the performance of both the boiler and radiators. It's imperative to ensure the mains pressure can accommodate the hot water demand, especially for combi boilers that rely on pressure for optimal operation. Additionally, the household's lifestyle factors, such as simultaneous showers or baths, must be factored into boiler selection.

  • Main Supply Pressure: Verify compatibility with the new boiler.

  • Hot Water Usage: Determine if the boiler can handle peak water usage times.

Installation Process

New boiler installation in Edinburgh is a pivotal step in ensuring a reliable heating system for your property. The procedure is comprehensive and involves several critical stages, executed by gas safe registered engineers, to ensure safety and efficiency.

Pre-Installation Survey

A thorough pre-installation survey is paramount. A Gas Safe registered engineer or plumber will meticulously inspect the existing pipework and heating system to establish specific requirements. The survey's key aims include determining the:

  • Suitable boiler type: The right fit for your home's needs.

  • Correct boiler size: Ensures efficiency and comfort.

  • Accommodation for any additional pipework or radiators.

Moreover, the survey may result in a bespoke quote, ensuring transparency in pricing and expectations.

Installation Day

On the day of installation, expect a step-wise process facilitated by professional boiler installers. Firstly, the existing boiler and components are carefully removed. Then, they proceed with the following:

  1. Securing the new boiler: Placement in the designated location.

  2. Connecting pipework: Ensuring it meets safety standards.

  3. Checking controls: Making sure the boiler is fully operational.

Skilled tradespeople, often gas safe engineers, ensure that everything from the pipework to electrical connections meets stringent safety guidelines.

Post-Installation Checks

Once the new boiler is installed, meticulous post-installation checks are conducted. They involve:

  • A series of tests to guarantee the boiler operates seamlessly.

  • Ensuring no leaks are present and controls are fully functional.

  • Providing essential documentation, like the benchmark form and warranty.

These final steps certify the installation's integrity, offering the homeowner peace of mind that their new heating system is dependable and correctly fitted.

Post-Installation Maintenance

Once a new boiler is installed, it is crucial to establish a routine for post-installation maintenance to ensure the system operates safely and efficiently throughout its lifespan, which can extend up to 15 years with proper care. Attention to the warranty details and an annual servicing schedule can help in avoiding inconvenience like unusual noises and radiator problems.

Understanding Your Boiler Warranty

The boiler warranty is a commitment from the manufacturer, assuring the repair or replacement of the boiler within a certain timeframe, should it develop faults. The conditions of the warranty often necessitate that:

  • The boiler is registered with the manufacturer promptly after installation.

  • Regular servicing is carried out by a Gas Safe registered engineer to maintain the validity of the warranty.

Failure to adhere to these points may result in the warranty being void, leaving the owner to cover repair costs that might have been otherwise avoided.

Annual Maintenance and Servicing

Annual servicing is not just a recommendation but a preventative measure to uphold the efficiency and safety of the boiler. During an annual check, a certified professional will:

  • Inspect the boiler for signs of wear or damage.

  • Clean essential components, such as the heat exchanger and condensate trap.

  • Check for emissions, ensuring they are within safe limits.

  • Listen for unusual noises, which can indicate underlying issues.

  • Identify radiator problems, like cold spots, that may suggest a need for balancing or flushing.

A record of each service should be kept as evidence of maintenance, which may be required when making a warranty claim. A well-maintained boiler not only adheres to warranty standards but also operates more efficiently, potentially reducing energy bills.

Factors Influencing Boiler Lifespan

Boiler longevity is directly impacted by its operational environment and maintenance regimen. Understanding these influences ensures that you can optimise the lifespan of your heating system.

Expected Durability

Most boilers are designed for durability, with an expected lifespan that can stretch up to 15 years or more. However, several specific factors determine how long a boiler will function efficiently:

  • Quality of Installation: A boiler installed by a certified Gas Safe engineer is more likely to reach its maximum lifespan due to correct handling and adherence to safety standards.

  • Maintenance Frequency: Regular servicing can foresee and correct minor issues before they escalate, thereby extending the boiler's life.

  • Usage Patterns: How often and intensively a boiler is used will also have a bearing on its lifespan. Homes with higher hot water and heating demands may put additional strain on the boiler.

  • Water Quality: Boiler longevity can be compromised in areas with hard water unless a water softener is used to mitigate limescale buildup.

Common Signs of Deterioration

Boilers exhibit tell-tale signs as they age and components begin to wear:

  • Noises: Banging, whistling, or gurgling sounds can indicate air in the system, limescale accumulation or imminent pump failure.

  • Leaks: Persistent damp patches or visible drips are often a precursor to a more serious breakdown.

  • Inefficiency: An older boiler may struggle to heat your home effectively, taking longer to warm up or failing to deliver the desired temperature.

  • Frequent Repairs: When a boiler is nearing the end of its feasible operational life, the frequency and cost of repairs tend to increase.

Owners of boilers that are approaching or have surpassed the 15-year mark should prepare for the possibility of replacement due to the obvious decline in efficiency and potential safety risks associated with aging systems. It's vital to weigh the costs of continual repairs against the investment in a new energy-efficient boiler.


When considering boiler installation in Edinburgh for the year 2024, it's vital to factor in both the costs and the intricacies of the installation procedure. Based on insights from industry sources, the financial outlay for a new gas system boiler is positioned at approximately £2,700, whilst an oil system variant may reach around £3,163. For those preferring a basic system boiler with a warranty extending over five years, prices initiate at £1,600.

The installation journey is intricate by nature, requiring professional expertise. Labour costs in the UK oscillate between £2,000 to £7,500, influenced by factors such as the fuel source and the boiler's location within the property. In southeast England, prices can surge, averaging £3,500 to £7,000.

A combi boiler transition could hover around the £1,895 mark. The region within which one resides will also impact the final quotation. To ensure financial preparedness, it's recommended to procure a fixed price quote prior to commissioning any work.

  • Average New Gas Boiler: £2,700

  • Average New Oil Boiler: £3,163

  • Basic Gas Boiler with Installation: From £1,600

  • Combi-to-Combi Installation: Approximately £1,895

Every homeowner must approach boiler installation with a stout research framework, ensuring they align with a reputable service provider that conforms to the latest industry standards. Engaging with such professionals not only secures quality workmanship but also adherence to the stringent safety regulations of 2024. It is recommended to compare multiple quotes and check for potential savings without compromising on quality.

iHeat Boiler Installation Edinburgh

iHeat quotes are completely free, fixed-price, and fully carried out online. The reason we opt for this streamlined process of online quotes is to remove the need for potentially time consuming and progress delaying on-site location assessments when trying to get a new boiler.

iHeat’s quotes are fixed-price to assure customers we are completely transparent in our practices and want to keep them as fully informed as possible during their boiler installation process.

The time frame for iHeat boiler installation usually depends on several factors specific to each unique case, such as:

  • Property type

  • Property location

  • Boiler type (combi, system or heat-only)

  • Conversion or installation

Where possible, iHeat can have your brand new boiler installed and up and running as fast as the next day.

We understand that a boiler is a necessity in any household, therefore aim to complete your installation as fast as possible for you, while still maintaining safety.

iHeat has already revolutionised the heating industry, transforming it from a laborious task that could potentially take weeks into as simple as click, pick and relax.

iHeat New Boiler Costs

Boilers can be a daunting purchase for many people as they’re an appliance with a lot of responsibility, providing heat for you and your family is something you want to get right. Boilers aren’t exactly a quickly disposable item either, potentially lasting you a decade.

Effectively, new boiler cost can be split into two segments: the first is the actual boiler itself (unit price), and the second is the cost of the boiler being installed (set up) in your property by an expert engineer. 

Here at iHeat, we want to remove all of this undue stress and make the decision making process of upgrading to a new central heating system, as easy as possible.

Boiler costs can vary depending on a number of factors including their brand, model, fuel, output, warranty, labour and installation type. Typically a new boiler will cost between £1,845 and £3,500, below is a list of average boiler installations offered by iHeat (guide only).

Installation Type

Price (inc VAT)

Combi to combi swap


Get a quote

System to combi conversion


Get a quote

New boiler install


Get a quote

Back boiler to a combi


Get a quote

System to system


Get a quote

Frequently Asked Questions

How much does it cost to install a boiler in Edinburgh?

The cost of boiler installation in Edinburgh typically ranges from £2,000 to £2,500. This price can vary significantly based on the type of boiler selected and the complexity of the installation process.

Can you provide a step-by-step guide to the boiler installation process in Edinburgh?

Yes, the boiler installation process in Edinburgh usually follows these steps: assessment of your heating requirements, selecting an appropriate boiler, removing the old boiler, preparing the site, fitting the new boiler, connecting it to the central heating system, and finally, testing the installation to ensure it operates efficiently.

What factors influence the cost of installing a boiler in a 3-bedroom house in Edinburgh?

Key factors affecting the cost include boiler type, brand, the home's existing heating system's compatibility, and modifications needed for installation. Installation costs can rise if additional work like replacing pipework or adding new radiators is required.

How are labour costs calculated for fitting a boiler in Edinburgh?

Labour costs for fitting a boiler in Edinburgh are based on the duration and complexity of the installation. Engineers might charge a fixed rate or a daily rate, with average prices typically ranging from £500 to £1,000, influenced by factors such as boiler location and whether any unforeseen complications arise.

What is the average cost of adding 7 radiators to a new combi boiler system?

The average cost for adding 7 radiators to a new combi boiler system can vary between £1,400 and £3,000. These costs include the radiators themselves and the labour to install them, which involves pipework extension and system testing.

Are there any cost calculators available for estimating the price of a boiler installation?

Several online platforms and companies provide cost calculators that offer rough estimates for a boiler installation in Edinburgh. These tools factor in various variables like boiler type, property size, and the number of radiators to produce an estimated cost.

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Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.