Building & Construction · South Lanarkshire

Cost of Single Storey Extension in East Kilbride (2026)

If you're looking at single storey extension in East Kilbride right now, you should be seeing quotes in the £1,585 to £2,815 range per m². That's based on current South Lanarkshire contractor rates and the wider UK market. Anything well outside those numbers is worth questioning before you sign.

Typical cost in East Kilbride -12%
Low £1,585
Typical £2,200
High £2,815
Typical price per m² Last updated 22 April 2026
  • FMB Federation of Master Builders
  • TrustMark Government-endorsed
  • FENSA Glazing installer scheme
  • NHBC Warranty-backed builds

About single storey extension in East Kilbride

East Kilbride is a medium town of around 75,000 in South Lanarkshire. The housing is mostly Victorian tenements, sandstone terraces and 20th-century estates typical of Scottish and Welsh urban centres. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like G74, G75 tend to be quicker jobs with standardised fittings. Local trade prices sit below the UK average. Lower contractor overheads and shorter distances across South Lanarkshire do most of the work.

Scottish pricing runs from Edinburgh (above average) to the Highlands (variable, often with long lead times). The trade bodies are different here — SELECT for sparkies, SNIPEF for plumbers, and the regulatory framework is Building Standards rather than Building Regulations. Doesn't usually slow jobs down, but the paperwork changes.

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 East Kilbride

Basic £1,585 – £1,935

Simple rear extension with standard finish

Standard £1,935 – £2,375

Open-plan kitchen extension with bi-fold doors

Complex £2,375 – £3,520

Wrap-around or glazed extension with lantern roof and structural steels

What affects the price of single storey extension in East Kilbride?

  • Ground conditions and foundation depth
  • Glazing ratio (bi-folds, roof lights)
  • Kitchen refit included
  • Structural steels and knock-through
  • Planning permission vs PD

East Kilbride vs the UK average

East Kilbride sits in the building & construction market at a cost multiplier of 0.88× the UK national average. That puts East Kilbride single storey extension prices at £1,585–£2,815 versus the UK average of £1,800–£3,200 per m².

East Kilbride vs UK national average — per m² East Kilbride £1,585 £2,815 UK average £1,800 £3,200
Typical price range, per m²

Single Storey Extension cost calculator — East Kilbride

Estimated cost in East Kilbride
£2,030 – £2,495
per m²

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 East Kilbride?

Budget £1,585 to £2,815 per m² for single storey extension in East Kilbride. Prices here are around 12% cheaper than the UK average. What moves a quote inside that range is mostly building contractor day rates in South Lanarkshire and the specific material list for your job.

How long does single storey extension take in East Kilbride?

A straightforward single storey extension job in East Kilbride 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 East Kilbride?

A proper single storey extension quote in East Kilbride 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 East Kilbride than the UK average?

Single Storey Extension in East Kilbride runs around 12% cheaper than the UK average. The UK-wide benchmark for this job is £1,800 to £3,200 per m²; East Kilbride quotes tend to land between £1,585 and £2,815. Handy to know what the average actually looks like before you price round.

Do I need planning permission for single storey extension in East Kilbride?

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 South Lanarkshire Council before you book anything in. It's a free call and saves a world of grief later.