Extension cost in Worcester (2026): local prices by postcode
Quick answerA 20m² single storey rear extension in Worcester typically costs £55,000 to £63,000 including VAT. Worcester prices a little above the West Midlands average, with Malvern and Droitwich Spa higher again. Flood risk near the Severn and Teme can add to costs on some plots.
Typical prices in Worcester
Worcester WR1, West Midlandsindex 1.02- Single storey rear extension20 m² (5m × 4m)£55,000 to £63,000£2,920/m²
- Kitchen extension with bifolds24 m² (6m × 4m), mid spec£73,000 to £84,000£3,240/m²
- Double storey rear extension40 m² over two floors£88,500 to £101,500£2,350/m²
- Dormer loft conversion2 bedrooms + en-suite£49,500 to £58,000
- Velux loft conversion2 rooms£35,500 to £41,500
- Garage conversion15 m² single garage£20,500 to £23,500£1,440/m²
All prices include 20% VAT, professional fees and statutory planning fees. Kitchen extension includes a mid-range kitchen, bifolds and a roof lantern.
Price my exact projectBuilding in Worcester
Worcester has Victorian terraces near the centre and along the river, interwar and post-war semis in the suburbs, and large modern estates on the east of the city. Droitwich Spa and Malvern have their own markets, with many larger and older homes. Rear kitchen extensions, garage conversions and loft conversions are the common projects. Planning in the city is handled by Worcester City Council, with Wychavon for Droitwich and Malvern Hills for Malvern.
What moves the price in Worcester
Severn flood risk
Parts of Worcester near the River Severn and Teme are in flood risk zones. Extensions there may need a flood risk assessment, raised floor levels or flood-resilient materials, which add to design and build costs.
Malvern slopes and stone
Malvern homes are often on steep slopes with stone or render walls, and many are in conservation areas. Stepped foundations, retaining walls and matching materials can all add cost.
Newer estates
Estates around Worcester's eastern edge are common and straightforward to extend, though some have planning conditions that remove permitted development rights. Check your house's planning history first.
Planning in Worcester
Planning and building control here are handled by Worcester City Council. Many single storey rear extensions and loft conversions in England fall under permitted development, but conservation areas and Article 4 directions remove some of those rights, so check with the council before you commit to drawings.
Prices by postcode district in Worcester
A 20m² single storey rear extension and a two-bedroom dormer loft with an en-suite, priced for each district. All figures include VAT and fees.
| Postcode | Area | Single storey, 20m² | Dormer loft | Index |
|---|---|---|---|---|
| WR1 | Worcester | £55,000 to £63,000 | £49,500 to £58,000 | 1.02 |
| WR2 | Worcester | £55,000 to £63,000 | £49,500 to £58,000 | 1.02 |
| WR3 | Worcester | £55,000 to £63,000 | £49,500 to £58,000 | 1.02 |
| WR4 | Worcester | £55,000 to £63,000 | £49,500 to £58,000 | 1.02 |
| WR5 | Worcester | £55,000 to £63,000 | £49,500 to £58,000 | 1.02 |
| WR9 | Droitwich Spa | £56,000 to £64,500 | £50,500 to £59,000 | 1.04 |
| WR14 | Malvern | £56,500 to £65,000 | £51,000 to £59,500 | 1.05 |
Worcester: common questions
How much does an extension cost in Worcester?
A 20m² single storey rear extension in Worcester typically costs £55,000 to £63,000 including VAT, around £2,920 per square metre. A 24m² mid-spec kitchen extension with bifolds is around £73,000 to £84,000.
Do I need planning permission in Worcester?
Many single storey rear extensions are permitted development, but conservation areas, flood zones and estate conditions can change that. Check with Worcester City Council, or Wychavon or Malvern Hills District Council if you live outside the city.
Does flood risk affect the cost of an extension?
It can. In a flood zone you may need a flood risk assessment and a design with raised floors or resilient materials. This adds to fees and build costs, so check the flood map for your address early.
How much is a garage conversion in Worcester?
Converting a 15m² single garage typically costs £20,500 to £23,500 including VAT. Most need Building Regulations approval but not planning permission.