House Extensions in Gillingham, Dorset
Local house extensions builders covering Gillingham (SP8), just 26 miles from our Chard base. 17+ years experience, fixed-price quotes and a 5.0★ Google rating.
- 17+ years experience
- Fixed-price contracts
- Serving Dorset & beyond
- Free no-obligation quotes
- Fully insured
Professional House Extensions for Gillingham Properties
A well-designed house extension is one of the most cost-effective ways to add both living space and significant value to your home. Brick Builds has completed hundreds of extensions across Dorset, and our team brings the same care and craftsmanship to every project, large or small — whether it is an open-plan kitchen extension, a two-storey rear addition, or a side-return utility room in Gillingham.
We handle all aspects of the build, including planning applications, structural calculations, groundworks, brickwork, roofing, windows and internal fit-out. Our clients in Gillingham and across Dorset consistently tell us that our communication sets us apart — you will always know exactly what is happening on site, and our fixed-price quotes mean no nasty surprises when the project is complete.
House extensions in Dorset need to complement the existing property and satisfy local planning guidelines. Our 17 years of experience working with Dorset planning authorities means we know exactly what will and will not gain approval for your Gillingham property. We match brickwork, stone, render and rooflines precisely, so the extension looks like it was always part of the original building.
House Extensions Cost Guide for Gillingham
A single-storey kitchen or rear extension in Gillingham typically costs £30,000–£60,000 depending on size and specification. A double-storey extension ranges from £60,000–£120,000. All quotes are fixed-price — call 01460 353121 for a free no-obligation quote in Gillingham.
Planning & Building Regulations for Extensions in Gillingham
Many single-storey rear extensions in Gillingham fall under permitted development, but larger, two-storey or side extensions usually need a householder planning application to Dorset Council. We check which route applies to your home, prepare the drawings, and handle Building Regulations sign-off so your extension is fully compliant when you come to sell.
Areas We Cover Around Gillingham
Our house extensions team works across Gillingham and the SP8 area, including Milton on Stour, Wyke, Bourton, Kington Magna, Silton and East Stour. Homes here are mostly Victorian and Edwardian terraces, modern estates and rural Dorset stone cottages, and we build to suit them.
- Milton on Stour
- Wyke
- Bourton
- Kington Magna
- Silton
- East Stour

Why Choose Brick Builds for House Extensions in Gillingham?
- Single and double-storey extensions in brick, stone, render or timber frame
- Planning application support and full architectural liaison for Gillingham properties
- Minimal disruption to your existing home throughout the construction process
- Seamless tie-in to existing structures, rooflines and external finishes
- Kitchen extensions, garden rooms and bi-fold door installations
- Structural engineer coordination and building regulations compliance
- Loft dormers, side returns and garage conversions treated as part of extension projects
How Your Extensions Project in Gillingham Works
- 1
Free site visit
We visit your property, talk through what you want, and check access, ground conditions and any planning constraints.
- 2
Fixed-price quote
You get a written, itemised quote with a fixed price, so you know the full cost before anything starts.
- 3
Planning & approvals
We work with your architect and engineer, and handle Building Control so every stage is signed off.
- 4
Build & handover
One team manages the build from start to finish, keeps the site tidy, and walks you through the finished work.
Frequently Asked Questions – House Extensions in Gillingham
Do I need planning permission for a house extension in Gillingham?
How long does a house extension take in Dorset?
How much does a house extension cost in Gillingham?
Can you match the existing brickwork or stonework on my Dorset property?
House Extensions in Nearby Areas
Brick Builds covers house extensions across Somerset, Devon and Dorset. Select a nearby town to see local information.
Get a Free Quote from Your Local Builders
Tell us about your project and we'll get back to you promptly with honest advice and a no-obligation quote. Based in Chard, serving South Somerset, Devon and Dorset.
Areas We Cover
We work across Somerset, Devon and Dorset, with most projects within a 30-mile radius of Chard. Contact us to check if we cover your area.