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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Elena nuta Radu
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
Top Notch Tradesmen is an established and experienced local extension builder in LU3. Please contact us for a free, no obligation quote and competi...
A.J Builders is an established and experienced local extension builder in LU3. Please contact us for a free, no obligation quote and competitive ra...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
We use only the highest quality products, and you can rest assured knowing that we are fully certified and registered with the relevant authorities...
S Sherazi Home Improvement Service are here to help customers who need an Extension Builder in LU3. We offer a competitive rate to complete all you...
Melvyn Dallimore
Painting & Decorating including property maintenance Building services honest trustworthy fully qualified decorators established 35 years.We cove...
Abbas Shah
ARC Building Services is a trusted extension builder serving customers in LU3 and the surrounding area. Contact us to today to get a competitive q...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in LU3 by posting your job to extension builders in LU3.
"Loft conversion" - LU4, job posted 27/04/26
"Truss Loft conversion" - LU2, job posted 09/11/23
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Luton | £42 | £279 |
| Loft Conversion near Dunstable | £41 | £274 |
| Loft Conversion near Mid Bedfordshire | £42 | £276 |
| Loft Conversion near Harpenden | £45 | £282 |
| Loft Conversion near Hitchin | £43 | £283 |
| Loft Conversion near Ampthill | £38 | £258 |
| Loft Conversion near Leighton Buzzard | £38 | £270 |
| Loft Conversion near North Hertfordshire | £44 | £283 |
| Loft Conversion near Stevenage | £44 | £282 |
| Loft Conversion near Letchworth | £44 | £283 |
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 - £17,938

Two storey extension - £88,658

Build a timber frame extension - £26,438

Build a swimming pool - £81,438

Single storey extension - £63,768

Side return extension - £46,432

Install an RSJ - £2,638

Outbuilding - £10,438

Build a Mansard loft conversion - £52,438

Loft conversion - £37,860

Build a kitchen extension - £42,438

Hip to gable loft conversion - £42,438

Granny annexe - £87,438

Garden office - £10,438

Convert a Garage - £16,438

Garage - £18,938

Build a flat roof extension - £22,438

Build a dormer loft conversion - £42,438

Concrete foundations - £6,688

Convert a bungalow loft - £29,438

Convert a basement - £42,432