Extension plans and drawings in Worcestershire
We prepare extension plans and drawings for homes across Worcestershire, on their own or as the first stage of a full design and build project.
- Guide priceFrom £1,150 inc VAT
- PlanningWe find the right route for you
- Towns covered8
- Site visitFree, no obligation

Towns in Worcestershire
Local to Worcestershire
Towns we cover in Worcestershire include Worcester, Redditch, Kidderminster, Malvern, Bromsgrove, Evesham, Droitwich Spa, Stourport-on-Severn. Across the West Midlands, brick-built semis with long gardens are common, so single-storey and two-storey rear extensions are popular choices.
What it costs in Worcestershire
These are guide fees for Worcestershire, adjusted for West Midlands (×0.97) and including VAT. Council application and inspection fees are paid separately.
| Option | What it covers | Guide price |
|---|---|---|
| Essential | Measured survey and planning drawings | £1,150 – £2,150 |
| Standard | Planning drawings plus building regulations drawings | £2,100 – £3,700 |
| Premium | Full pack with structural calculations and 3D visuals | £3,250 – £5,350 |
Want a range for your exact size? The guide-price tool takes about a minute.
Will the council need to approve it?
In England the main routes are permitted development (ideally confirmed with a lawful development certificate, £274), larger home extension prior approval (£249, 42 days) and a householder planning application (£548, normally 8 weeks), with council fees as set from 1 April 2026.
The planning position for a specific Worcestershire address depends on its history and any designations, which is why we check it at the first visit.
Building over or within 3 m of a public sewer needs the water company's consent, usually through a build-over agreement, before the foundations go in.
If the work involves a shared wall, building on the boundary, or digging foundations within 3 m (sometimes 6 m) of a neighbour's building, the Party Wall etc. Act 1996 applies and notice must be served before work starts: two months for work to a party wall, one month for new walls on the boundary and for excavations.
Applications are decided by the local planning authority (your district, borough or unitary council).
Who this service is for
- Projects that need a planning application or other approval
- Homeowners at the very start of a project
- Anyone who wants fixed designs before getting build prices
What happens next
Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.
Free site visit
It starts with a visit to your house to measure, check access and talk through ideas and budget.
Design and approvals
We produce the drawings and structural design, and manage the approvals so they are in place before work starts.
Fixed written price
We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.
Build and sign-off
Our team builds the extension, keeps you updated weekly and finishes with building control sign-off.
Common questions in Worcestershire
Can I see a price before committing to anything?
Yes. The guide prices on this page are adjusted for Worcestershire, and the guide-price tool gives a range for your own size. After the survey you get a written price before anything is agreed.
How long does this take for a Worcestershire home?
2–6 weeks for drawings, depending on the council and the complexity of the project.
Do I need building regulations approval in Worcestershire?
Yes. Almost every extension needs it, whatever the planning route. We prepare the drawings and book the inspections.
Do I need an architect?
Not necessarily. For most extensions an experienced designer or architectural technologist is enough. For listed buildings or complex sites an architect’s input can help.
Can I use your drawings with another builder?
Yes. Once paid for, the drawings are yours to use for your project.
Book a free site visit in Worcestershire
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.