Cost of Single Storey Extension in Kidderminster (2026)
A typical single storey extension job in Kidderminster costs £1,655 at the budget end and £2,945 for a full-spec install, per m². Outside peak season you'll usually get booked in within three to four weeks; summer runs tighter.
Single Storey Extension in Kidderminster: below the UK average
Kidderminster is a small town of around 57,000 in Worcestershire. 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 DY10, DY11 tend to be quicker jobs with standardised fittings. Local trade prices sit below the UK average. Lower contractor overheads and shorter distances across Worcestershire do most of the work.
For single storey extension, Kidderminster runs around 8% below the UK average, with quotes landing £1,655 to £2,945 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.
Expect £1,655 to £2,945 per m² for single storey extension in Kidderminster, over roughly 10-16 weeks, given the local rate runs around 8% below 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.
Single Storey Extension price tiers in Kidderminster (£1,655 to £2,945)
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 Kidderminster?
- Ground conditions and foundation depth
- Glazing ratio (bi-folds, roof lights)
- Kitchen refit included
- Structural steels and knock-through
- Planning permission vs PD
Kidderminster runs 8% under the UK average for single storey extension
Kidderminster sits in the building & construction market at a cost multiplier of 0.92× the UK national average. That puts Kidderminster 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: Kidderminster
Estimate based on live 2025 UK trade pricing. Always get 3 written quotes before committing.
Get 3 free quotes from local single storey extension specialists in Kidderminster
Compare prices from vetted, trade-body-certified professionals near Kidderminster (DY10, DY11). No obligation, takes about 2 minutes.
Get my free quotes- No obligation
- Takes 2 minutes
- Vetted tradespeople
- Insurance-backed
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 Kidderminster?
Budget £1,655 to £2,945 per m² for single storey extension in Kidderminster. Prices here are around 8% cheaper than the UK average. What moves a quote inside that range is mostly building contractor day rates in Worcestershire and the specific material list for your job.
How long does single storey extension take in Kidderminster?
A straightforward single storey extension job in Kidderminster 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 Kidderminster?
A proper single storey extension quote in Kidderminster 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 Kidderminster than the UK average?
Single Storey Extension in Kidderminster runs around 8% cheaper than the UK average. The UK-wide benchmark for this job is £1,800 to £3,200 per m²; Kidderminster 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 Kidderminster?
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 Worcestershire 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 Kidderminster?
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 Kidderminster starts around £1,655, while a complex one can reach £3,680 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 Kidderminster.
More building & construction in Kidderminster: Kitchen Installation costs, Loft Conversion costs, Plastering (Per Room) costs, Wall & Floor Tiling costs.