Budget
£12,600
- Focused essentials
- Practical finishes
Garage Conversion vs Extension Costs in West Midlands
Estimates derived from UK trade benchmark data and regional labour indices, updated May 2026. Methodology →
Garage Conversion vs Extension in West Midlands usually hews close to the UK average — a useful baseline if you want “typical” without London premiums. Our national guide ranges are the spine; this page is the regional read.
In West Midlands, costs are usually close to the UK average. For the full UK-wide baseline, compare with Garage Conversion vs Extension Cost UK.
The West Midlands is one of the UK's most competitively priced renovation markets: a deep pool of trades across Birmingham and the Black Country keeps day rates close to the national average, and availability is generally better than in the south. The one urban logistics cost to know about is Birmingham's Clean Air Zone, which charges older non-compliant vans daily and gets priced into city-centre jobs.
The stock is renovation-heavy by nature: street after street of Victorian terraces and interwar semis, many now due rewires, damp remediation and structural attention around bay windows and shallow footings. That work is routine for local firms — the region's trades see more of it than almost anywhere — which shows in confident, well-itemised quotes when you pick established outfits.
At the region's rural western edge the market changes character: Herefordshire and Worcestershire's black-and-white timber-framed stock needs carpenters and lime specialists rather than general builders, and travel time from the conurbation appears in quotes. City-fringe owners get the best of both — conurbation trade rates with easier access than the city centres.
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Typical West Midlands garage conversion vs extension budgets
Three planning tiers for garage conversion vs extension in West Midlands, with scope and a representative figure for each. Run your own numbers in the calculator for a tailored range.
Mid-rangeMost common
£22,000
- Balanced specification with core upgrades
- Reliable materials
Premium
£44,500
- Premium materials
- Wider scope with higher coordination demands
Typical regional cost ranges
| Item | Cost Range |
|---|---|
| Garage conversion (single, basic) | £8,000 – £15,000 |
| Garage conversion (single, full spec) | £12,000 – £22,000 |
| Garage conversion (double) | £15,000 – £30,000 |
| Single-storey extension (15 m²) | £22,000 – £45,000 |
| Single-storey extension (25 m²) | £35,000 – £60,000 |
At the mid-range, garage conversion vs extension in West Midlands benchmarks around £22,000 — in line with the UK average. The same project benchmarks around 22% higher in London (£27,000). Next door, East Midlands comes in around £21,500 and Wales comes in around £21,000.
How garage conversion vs extension costs vary across West Midlands
West Midlands is not one price. Across the postcode areas we track, Coventry quotes typically run 6% higher than Telford for the same spec — these are the benchmarks by area:
| Area | Postcodes | vs UK average | Typical mid-range | Budget–premium span |
|---|---|---|---|---|
| Coventry | CV | +2% | £22,500 | £8,200–£61,000 |
| Birmingham | B | UK average | £22,000 | £8,000–£60,000 |
| Dudley | DY | -2% | £21,500 | £7,800–£59,000 |
| Hereford | HR | -2% | £21,500 | £7,800–£59,000 |
| Walsall | WS | -2% | £21,500 | £7,800–£59,000 |
| Wolverhampton | WV | -2% | £21,500 | £7,800–£59,000 |
| Worcester | WR | -2% | £21,500 | £7,800–£59,000 |
| Stoke-on-Trent | ST | -4% | £21,000 | £7,700–£57,500 |
| Telford | TF | -4% | £21,000 | £7,700–£57,500 |
Run the calculator with your postcode for a range tuned to your area.
Mini Garage Conversion vs Extension cost calculator
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Checking a West Midlands garage conversion vs extension quote?
What a fair garage conversion vs extension quote should itemise doesn't change by region — only the prices do. The full checklist, red flags and scripts live in our UK guide, benchmarked against the West Midlands figures above:
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