Cost of Single Storey Extension in Stratford-upon-Avon (2026)
Stratford-upon-Avon quotes for single storey extension are landing between £1,945 and £3,455 per m² at the moment. Most jobs take 10-16 weeks. The three things that move the price most around Warwickshire are ground conditions and foundation depth; glazing ratio (bi-folds, roof lights); kitchen refit included.
What pushes single storey extension prices up in Stratford-upon-Avon
Stratford-upon-Avon is a small town of around 31,000 in Warwickshire. The housing is mostly a mix of Victorian terraces, inter-war semi-detached housing and modern new-build estates. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like CV37 tend to be quicker jobs with standardised fittings. Local trade prices sit a little above the UK average, which tracks with Warwickshire labour and material costs.
For single storey extension, Stratford-upon-Avon sits roughly 8% over the UK average, with quotes landing £1,945 to £3,455 per m² and a smaller pool of local firms to draw on. The West Midlands is close to the UK average on pricing, and the contractor pool is deep. Birmingham commands a modest premium over Black Country towns. You can usually get a Gas Safe engineer or a sparky booked within a week or two, which helps in an emergency.
A typical single storey extension job in Stratford-upon-Avon takes 10-16 weeks and lands between £1,945 and £3,455 per m²; the local rate sits roughly 8% over the UK average. Building jobs are labour-heavy, and materials have moved fast, brick, timber, steel, insulation and board are all 20 to 40 percent up on pre-2022. FMB and TrustMark are your best signposts for a proper builder. On anything bigger than a loft conversion, get a Building Control officer involved from day one; fixing non-compliance later costs a fortune.
Basic to complex single storey extension prices in Stratford-upon-Avon
Simple rear extension with standard finish
Open-plan kitchen extension with bi-fold doors
Wrap-around or glazed extension with lantern roof and structural steels
What affects the price of single storey extension in Stratford-upon-Avon?
- Ground conditions and foundation depth
- Glazing ratio (bi-folds, roof lights)
- Kitchen refit included
- Structural steels and knock-through
- Planning permission vs PD
Stratford-upon-Avon runs 8% over the UK average for single storey extension
Stratford-upon-Avon sits in the building & construction market at a cost multiplier of 1.08× the UK national average. That puts Stratford-upon-Avon single storey extension prices at £1,945-£3,455 versus the UK average of £1,800-£3,200 per m².
Single Storey Extension cost calculator: Stratford-upon-Avon
Estimate based on live 2025 UK trade pricing. Always get 3 written quotes before committing.
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What's typically included in a single storey extension quote
- Foundations and drainage
- Brick and block shell
- Roof and glazing
- First and second fix
- Plaster and decoration
Frequently asked questions
How much does single storey extension cost in Stratford-upon-Avon?
Budget £1,945 to £3,455 per m² for single storey extension in Stratford-upon-Avon. Prices here are around 8% more expensive than the UK average. What moves a quote inside that range is mostly building contractor day rates in Warwickshire and the specific material list for your job.
How long does single storey extension take in Stratford-upon-Avon?
A straightforward single storey extension job in Stratford-upon-Avon runs to 10-16 weeks. You can lose days to things outside the contractor's control: parts on backorder, awkward access, or a firm slotting your job around existing bookings. Ask for a start date and expected finish up front.
What's included in the price of single storey extension in Stratford-upon-Avon?
A proper single storey extension quote in Stratford-upon-Avon should cover: Foundations and drainage; Brick and block shell; Roof and glazing; First and second fix; Plaster and decoration. If any of those aren't itemised on your quote, push back and ask. A written guarantee with a clear warranty period is reasonable to expect on this kind of work.
Is single storey extension cheaper in Stratford-upon-Avon than the UK average?
Single Storey Extension in Stratford-upon-Avon runs around 8% more expensive than the UK average. The UK-wide benchmark for this job is £1,800 to £3,200 per m²; Stratford-upon-Avon quotes tend to land between £1,945 and £3,455. Handy to know what the average actually looks like before you price round.
Do I need planning permission for single storey extension in Stratford-upon-Avon?
Most rear extensions fall under Permitted Development (up to 6m terraced/8m detached with Prior Approval). Side extensions and Article 4 areas require full planning. If the property sits in a conservation area or is listed, ring Warwickshire Council before you book anything in. It's a free call and saves a world of grief later.
How do I get a fair single storey extension price in Stratford-upon-Avon?
Get at least three written, itemised quotes so you can compare like for like, and tell each firm exactly the same brief. A basic single storey extension job in Stratford-upon-Avon starts around £1,945, while a complex one can reach £4,320 per m². Quotes near the bottom of that range usually mean a more basic spec, not a better deal, so check what's actually included before you choose on price alone.
See all single storey extension prices across the UK or browse all tradespeople costs in Stratford-upon-Avon.
More building & construction in Stratford-upon-Avon: Kitchen Installation costs, Loft Conversion costs, Plastering (Per Room) costs, Wall & Floor Tiling costs.