Living Room Extension Cost Uk
Extension Cost Calculator With the extension cost calculator you can get a quick, free, rough estimate of at least some of the costs involved in building extra room (s) for your house. By entering information about the extensions external size, roof type, number of storeys and the UK location, an estimate of the building cost can be found. Average Extension Cost in 2025 The national average cost of a single-storey extension in 2025 ranges between £2,200 and £3,300 per m², depending on region, specification, and design complexity.
A typical 30 m² extension (e.g., open-plan kitchen/living space) could therefore cost between £66,000 and £99,000, excluding VAT and professional. House Extension Cost Calculator Are you looking for more space or thinking of buying a house and extending it yourself? Well before you go dreaming of sky lights and kitchen islands, take a look at our House Extension Cost Calculator below to determine how much you may expect to pay for the labour costs in England and Wales. How much will an extension cost in 2025? In short, building a single-storey extension is likely to cost between £2,200-£3,300/m² of new internal space (excluding VAT).
So a 30m² single-storey kitchen extension could be estimated at somewhere between £66,000-£99,000, plus VAT at 20%. If that sounds rather general - that's because it is. How Much Does a House Extension Cost in the UK? House extension costs in the UK typically fall between £1,800 and £3,000 per square metre, depending on the finish, structure and location.
That means a modest 20m 2 extension can range from about £36,000 to £60,000+, excluding premium kitchens, bathrooms and bespoke glazing. House extension costs: Breakdown by size & type House extension costs vary hugely depending on the size, type and complexity of your project and where you live. We explain how much house extensions cost, including all the fees you may need to pay, and how to save money.
A single-storey extension is a popular house extension and is normally used to enhance the space of a kitchen or living room on the first floor of a property. Single-storey extensions typically cost between £1,500 - £2,500 per m², depending on the finishes and complexities involved. Our free extension cost calculator is the quickest way to find out how much your extension or loft conversion could cost in 2025.
Looking to build an extension in 2026? Discover the latest costs per square metre for extensions in the UK and factors that affect pricing. The average cost of a single-storey house extension is around £47,000 in 2025. If you need more living space and don't want to move home, then a house extension might just be the solution.
An extension can add value to your property and provide extra room for a growing family or an elderly parent. Let's get started!
