Extension building costs per square metre uk. Explore double & single storey extensions.
Extension building costs per square metre uk. In this guide, we will provide you with the latest cost per sq m rates for 2023 and the FAQ: Q: What is the national average asking price per square metre? A: The national average asking price per square metre is £2,954, marking a 19% increase from five The cost for a flat roof extension in the UK is between £1,500 and £2,500 per square metre. These costs can vary greatly depending on factors such as location, the complexity of the project, and the In the UK, build costs per m² typically range from £1,775 - £3,000 On average, expect to pay around £2,387. To calculate cost per m², divide the total project cost by the extension’s area in square metres. Embarking on a single-storey rear home extension is an exciting way to enhance your living space and increase property value. Discover the costs involved and get quotes from local builders. These Drastically increase your living space with our in-depth guide to reducing the duration and cost of completing a double storey extension. The following table sets out the prices for different-sized basic, The cost typically ranges from £1,500 to £2,500 per square metre. Industry data suggests that a single-storey rear extension starts from around £1,500 per square metre for a In this guide, NABC breaks down the average UK costs for single-storey and double-storey extensions, including regional price differences and a detailed cost breakdown by project These extensions are more complex to build than single or double storey extensions, and you can expect to pay between £2,250 to £2,500 per square metre. A two-storey extension will cost, on average, between £1,200 and £1,800 per square metre. The average cost of building an extension in Essex is £27,000 for a single-storey rear extension measuring 20 square metres in ground floor area. This helps homeowners compare costs across different extension types and make informed decisions. So a 30m² single-storey kitchen extension could be estimated at somewhere between £66,000-£99,000, plus VAT at 20%. However, this price can increase depending on the complexity and location of the build. As a rule of thumb, building a home extension in London – just the shell – is going to cost you at least £2,000 per square metre. These However, the average cost per square metre for a glazed extension in the UK typically falls between £2,200-£2,500/m² (plus VAT) for a basic build and up to £3,300/m² (plus VAT) for excellent quality. The average cost of a single storey extension per square metre (m²) in the UK is between £1,000 - £2,200. Explore double & single storey extensions. So a 30m² single-storey kitchen extension Q: What’s the typical cost per sq metre extension in the UK? A: While costs vary by region and specification, expect to budget £1,000-£3,000+ per square metre. Here are some rough price guides for an extension: • Planning application How much will it cost to build an extension? Use our new calculator! New analysis by Rightmove reveals the average asking price per square metre of a house in England and Wales is £2,954, up 19% (£2,487) compared with Average Costs of Building an Extension While prices can vary widely, here are some average costs to give you a starting point: Single story extensions: Typically range from £1,800 to £2,500 per square metre. The cost varies depending on the size and quality of the build. Discover our extension cost calculator—your first step towards accurate budgeting for your home extension project. That’s a £1,200/m² difference — and when you apply that to a typical rear extension size of Discover 2025 building costs per sq m in the UK. Keep in mind that this cost can vary based on location, materials used, and the complexity of the design. For highend Build cost calculator for extension, refurbishment and new build We have developed four different sophisticated cost per square metre calculators – one for extensions, one for loft conversions, one for refurbishment The average house extension costs around £40,000. How much do loft conversions cost in 2025? Get the latest prices across London and the UK, including dormer, mansard, and hip-to-gable loft conversion costs. A small, basic single-storey extension can cost as little as £15,000. The price of a side-return extension per In the UK, the typical cost of timber frame extensions per square meter range between £1,400 - £2,400 depending on certain factors. Building an extension isn’t cheap - and there are various factors that will affect the cost, from the size and type of extension you want to build, the materials you want to use, what you want to use it for, and Twelve Arches in Low Energy Home in Kensal Rise, North West London How Much Does a House Extension Cost in London? We get asked this a lot. According to Checkatrade’s 2025 guide, the average cost of a house extension is: £1,800 – £3,000 per square metre. This guide breaks down the cost of extensions, including house extension cost per m², single storey extension options, and how much small extensions cost. UK extension costs vary widely depending on size, materials, and complexity. On average, it can range from £1,500 to £3,000 2 storey extension cost £1,200–£2,200/m², cheaper per square metre than single storey extensions (~£1,800/m²). Have a look at the charts below to find out the average cost of each type of extension according to size and finish. This covers standard Architecture for London: House extension costs in London including refurbishment costs per square meter, based on architect-designed homes. This variation depends on factors such as design complexity, House extension costs in the UK Extending your property is one of the best ways to increase its value. A rear extension in the UK costs between about £1,650 and £3,000 per square metre, depending on location and complexity, with London generally being higher. This cost is for the complete project, including building and supplying the orangery structure, internal Double-Storey Extensions: Adding an upper floor increases costs to £2,000–£3,000 per square metre. In short, building a single-storey extension is likely to cost between £2,200-£3,300/m² of new internal space (excluding VAT). Whether you’re building a The cost of a house extension in the UK can range from £1,000 to £2,500 per square metre, depending on various factors. This variation depends on factors like location, complexity, and quality of finishes. When planning a construction project, understanding the average building costs per square metre will help you create a realistic budget and avoid nasty surprises. Generally speaking, £2000/m2 is considered the current cost The average build cost figures used by the extension cost calculator assume the same costs per square metre for constructing a full basement as used for calculating ground floor space. The beauty of a double-storey extension lies in its cost-efficiency. A 20 square metre two-storey rear Typical building costs per square metre UK 2025 range between £1,750 – £3,500 per m², depending on the build type and level of specification. Learn how much house extensions cost (per m2). So, the cost of a 20 sqm extension would start from £40,000 (not including VAT). Approximate costs of building an extension Short answer So a two storey extension would cost around £900 per square metre, and so on. . Examples of renovation and extension projects with their cost per square metre. 50 per sq m The average cost to build a 4-bedroom house is in the region of £358,125 How much is an extension per square metre UK? A good rule of thumb for calculating the cost of an extension per square metre is to budget £1,250 – £2,500 per m². And the answer is: it The average cost is between £1,500 to £2,500 per square meter for a basic single-storey extension. In short, building a single-storey extension is likely to cost between £2,200-£3,300/m² of new internal space (excluding VAT). In 2025, the UK’s average house extension cost per square metre will range between £1,800 and £3,000. Read our guide for more. But how much does a single-storey extension cost in 2025? Understanding Our house extension cost calculator that calculates per square metre (m2) is an invaluable tool for homeowners planning to expand their living space. Depending on the nature of the materials used, the price range extends from £400 to £1,800 added to the extension costs per square metre. A single storey extension is a fantastic way to create extra living space throughout the ground floor of your property. In this guide, you'll find the following: How much the average house How much does an extension cost in the UK in 2025? Read our expert extensions costs guide with the latest figures from the Building Cost Information Service to help you plan your budget. For example, a simple single-storey Single storey extension prices in the UK start from around £1,200 per square metre, but rise based on location, specification, and design complexity. This type of project lends itself to many Kitchen extension costs in the UK usually fall between £50,000 and £120,000, depending on size and spec. Having said that, I also believe you can use industry standards, such as UK construction costs per square metre or UK building cost per square foot, that help you estimate the building cost of your The average price per square metre for oak-framed extensions typically ranges from £1,800 to £3,000 per m². From our recent research Cost guides for your home extension, renovation or loft conversion. For a typical 30 to 80 sqm project, expect In 2025, the UK’s average house extension cost per square metre will range between £1,800 and £3,000. Why it's impossible to give a straight answer to the question, "How much does it cost to build a house or extension?" Whether its a new self build house loft conversion, house extension or internal alterations, It used to be a rule of thumb that extensions cost £1500-2000 per square metre. Our This includes the cost of installing a kitchen as it is the most in-demand function for single-storey extensions. We’ve also given a very rough estimate of how much an extension could add to the value of your property. By sharing the expenses of foundations and roofing between two levels, the cost per square metre is often significantly lower than building A house extension costs between £750 and £3,600 per square metre depending on quality, with budget options around £1,350 to £1,959 per sqm for glass extensions. House Extension Cost Calculator How much does an extension cost? Our home extension cost calculator is a purpose-built tool, designed to provide you with a realistic estimate of your personal house extension costs. Compare average prices & get build quotes. This potential value is based on the average asking price per square metre of property in different areas and should be House extension costs vary widely, starting around £1,500 per square meter for basic construction to over £3,000 for high-end finishes. A 40m² two storey extension typically costs £72,000–£100,000, depending on design, location, and materials. £3-4K would be a more reasonable expectation in today's climate. Costs per square metre are generally £1,000 to £3,500, based on location and materials. The 2 storey extension cost in the UK typically ranges from £1,800 to £2,800 per square meter, with an average build time of 8 to 14 weeks. This encompasses expenses for architects, planning fees, groundworks, The cost per square metre for double-storey extensions is generally slightly lower than single-storey extensions, averaging between £1,200 to £3,000 per square metre +VAT. Budget for design, approvals, and contingency on top of build cost. Your £74K quote is to the Single-storey rear extension Double-storey rear extension Ground-floor wrap-around extension Brick porch extension We’ll provide an overview of total project costs and cost per square metre, concluding with a comparison to When calculating the average cost of a single-storey extension, expect to pay between £2,500 and £3,500 per square metre in London and Surrey. This cost typically includes basic structural work, house extension costs 2024 cost estimates Ballpark Cost Estimates: Cost Per Square Meter When planning a house extension, early ballpark estimates can be invaluable. Prices in London and other areas where the cost of living is much higher than average can soar, reaching in excess of £5,000 per square metre. This includes the cost of materials, labour, and other necessary elements for In addition, we’ve also included to the cost to build other projects, such as an extension, garage, porch, loft conversion, and bungalow, and we’ve also provided the costs per square metre. Side Return Extensions: Due to the complexities of working in tight For a single-story extension in Oxfordshire, you can expect costs ranging from £2,000 to £3,800 per square meter, while a double-story structure will come in higher, at between £2,500 to £4,000 per square meter. Above costs assume modest finishes, fittings, electrics and lighting. The cost per square metre for a low-cost extension in 2025 generally starts from £1,500 - £1,900, £1,900 The cost of an extension per square meter in the UK can vary depending on factors such as location, materials, and level of finish. Extending a property usually takes between 10 to 18 weeks to complete. The kitchen-specific extension might be slightly less, typically falling Side-return Extension Cost Properties with a small amount of space at the side of their home which is used to store bins, bikes, and more may benefit from a side return extension. This wide range reflects the differences in location (with London and the South East The average cost for a house extension in the UK ranges from £1,500 to £2,500 per square metre. However, the cost per square metre is often lower for the second storey, making this an The average cost for a single-storey extension in the UK ranges from £1,200 to £1,700 per square meter. The scope of internal work, Typical Construction Costs of Buildings This page contains a guide of indicative construction costs of various buildings per m 2 of gross internal floor area (internal area of the building measured over internal Learn to estimate building cost in the UK for 2025 with our guide on construction costs per m², tools, and tips for new builds, extensions, and renovations. For a typical 45 sqm ground floor extension, expect to pay Single storey extension costs range from about £1,250 to £4,000 per square metre, depending on your location and contractor quality, with smaller projects usually on the lower end and premium builds at the For a standard kitchen extension, you can expect costs to range from £1,800 to £3,000 per square metre. The cost per square metre of a two-storey extension is similar to a single-storey extension: £1,500-£1,700 in most parts of the UK, and £1,800-£2,300 in London. That’s a £1,200/m² difference — and when you apply that to a typical rear extension size of Data submitted by WhatPrice users has revealed that £1,400 to £3,000 is the average house extension cost per m2 in the UK. Understanding the cost Understanding the average building costs per square metre (sq m) is crucial for budgeting and planning. How much is a 40 square meter extension? For a 40 square meter extension in the UK, you might expect to pay between £48,000 to £100,000, depending on various factors such House extension cost calculator The above calculator is based on estimates as a starting price for a house extension. Rear Extension Cost The cost of a rear extension is around £1500 to £2500 per square metre. This calculator simplifies the budgeting process by providing an estimated cost Regional Extension CostsAccording to industry estimates, the cost of building a house extension in the UK typically ranges from £1,500 to £3,000 per square metre, with the The cost per square meter will typically work out to be more cost effective than a single-story design. If that sounds rather general — that’s because it is. House Extension Facts House extensions typically cost between £1,400 and £3,000 per square metre, excluding VAT. But before going ahead, you’ll need to work out how much an extension will HOME EXTENSION COST 2024 - SINGLE STOREY GROUND FLOOR EXTENSIONAn estimation of how much it will cost to building an extension as of January 2024 in UK. Read our guide to discover how much you’ll Looking to build an extension in 2025? Discover the latest costs per square metre for extensions in the UK and factors that affect pricing. Get insights on budgets for 2, 3, and 4-bedroom houses to plan your construction project effectively! Average House Extension Costs in 2025 The price per square metre for a house extension in 2025 ranges between: £1,400 – £2,000 per m² for a basic finish £2,000 – £2,500 per m² for a mid-range finish £2,500 – £3,000+ per Looking to build an extension in 2025? Discover the latest costs per square metre for extensions in the UK and factors that affect pricing. Considering a house extension? Our new house extension cost calculator is here to help estimate your project expenses in the UK. Plan and budget for your home build with our guide on extension prices and what to expect. Get t In general, for the average cost of a single-storey extension in the UK you can expect to pay between £1,200 (for a basic extension such as a conservatory) and £2,500 per square metre, Discover 2024's key info on house extension costs. Building Regulations Approval: Obtain building regulations approval, which is separate from planning permission and ensures your extension meets safety and structural standards. Fixed costs (foundations, roof, services, site setup) are shared across two floors, so the cost per square metre typically falls compared with a small single-storey extension. For example, a 20 square metre extension would generally cost between £30,000 and £50,000. The average cost of an orangery (16m²) tends to sit around £32,500. exirdqukovbfpvzz1iibpjh9vquvn4mtkhes3ovd4pjxsk