Cost of Single Storey Extension in Telford (2026)
If you're looking at single storey extension in Telford right now, you should be seeing quotes in the £1,655 to £2,945 range per m². That's based on current Shropshire contractor rates and the wider UK market. Anything well outside those numbers is worth questioning before you sign.
About single storey extension in Telford
Telford is a medium town of around 142,000 in Shropshire. 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 TF1, TF2, TF3 tend to be quicker jobs with standardised fittings. Local trade prices sit below the UK average. Lower contractor overheads and shorter distances across Shropshire do most of the work.
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.
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.
Single Storey Extension cost breakdown in Telford
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 Telford?
- Ground conditions and foundation depth
- Glazing ratio (bi-folds, roof lights)
- Kitchen refit included
- Structural steels and knock-through
- Planning permission vs PD
Telford vs the UK average
Telford sits in the building & construction market at a cost multiplier of 0.92× the UK national average. That puts Telford single storey extension prices at £1,655–£2,945 versus the UK average of £1,800–£3,200 per m².
Single Storey Extension cost calculator — Telford
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 Telford?
Budget £1,655 to £2,945 per m² for single storey extension in Telford. Prices here are around 8% cheaper than the UK average. What moves a quote inside that range is mostly building contractor day rates in Shropshire and the specific material list for your job.
How long does single storey extension take in Telford?
A straightforward single storey extension job in Telford 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 Telford?
A proper single storey extension quote in Telford 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 Telford than the UK average?
Single Storey Extension in Telford runs around 8% cheaper than the UK average. The UK-wide benchmark for this job is £1,800 to £3,200 per m²; Telford quotes tend to land between £1,655 and £2,945. Handy to know what the average actually looks like before you price round.
Do I need planning permission for single storey extension in Telford?
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 Shropshire Council before you book anything in. It's a free call and saves a world of grief later.
See all single storey extension prices across the UK or browse all tradespeople costs in Telford.