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Bryan Loveday
Relax... you have found a reliable extension builder in Westbury. Bryan Loveday Services Limited is a friendly and reliable company based in Westbu...
Need an Extension Builder in Westbury? EMBERSON GENERAL BUILDERS has been helping local clients (20 mile radius) with their extension buildering jo...
BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in Westbury. We offer a competitive rate to complete all your extens...
From £42,296
Hughie Crumlish
All ways on time keep our customers 100% satisfied
From £42,096
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,896
Experienced extension builder ready to quote for your work. George Davies Group Ltd is the best extension builder in Westbury. No obligation free q...
From £42,184
APEX BUILDING/ROOFING are here to help customers who need an Extension Builder in Westbury. We offer a competitive rate to complete all your extens...
From £41,872
McIntosh DBR Ltd. is an established extension buildering business in Westbury. We come highly recommended and provide competitive quotes for your w...
From £42,136
Experienced extension builder ready to quote for your work. Craft Renovations is the best extension builder in Westbury. No obligation free quotes ...
From £42,144
Experienced extension builder ready to quote for your work. Dwbr ltd is the best extension builder in Westbury. No obligation free quotes and many ...

In Westbury, prices for dormer loft conversions range from £41,864 (Bryan Loveday Services Limited based in BA12) to £42,296 (Prestige home improvements based in BA11), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Westbury. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Trowbridge | £34 | £266 |
| Build A Dormer Loft Conversion near Frome | £33 | £263 |
| Build A Dormer Loft Conversion near Devizes | £32 | £242 |
| Build A Dormer Loft Conversion near North Wiltshire | £32 | £242 |
| Build A Dormer Loft Conversion near West Wiltshire | £32 | £242 |
| Build A Dormer Loft Conversion near Bath | £32 | £249 |
| Build A Dormer Loft Conversion near Calne | £29 | £225 |
| Build A Dormer Loft Conversion near Chippenham | £34 | £258 |
| Build A Dormer Loft Conversion near Keynsham | £33 | £251 |
| Build A Dormer Loft Conversion near Kingswood | £34 | £257 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,595

Two storey extension - £88,143

Build a timber frame extension - £26,095

Build a swimming pool - £81,095

Single storey extension - £56,904

Side return extension - £42,571

Install an RSJ - £2,295

Outbuilding - £10,095

Build a Mansard loft conversion - £52,095

Loft conversion - £34,643

Build a kitchen extension - £42,095

Hip to gable loft conversion - £42,095

Granny annexe - £87,095

Garden office - £10,095

Convert a Garage - £16,095

Garage - £18,595

Build a flat roof extension - £22,095

Build a dormer loft conversion - £42,095

Concrete foundations - £6,345

Convert a bungalow loft - £29,095

Convert a basement - £38,571