From £9,920
Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in SG19. Please contact us for a free, no obligati...
From £9,936
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
From £9,456
we are very efficient in our work.and make sure our client is one 100% satisfied with our work.
From £10,456
A.J Builders is an established and experienced local extension builder in SG19. Please contact us for a free, no obligation quote and competitive r...
From £10,272
Top Notch Tradesmen is an established and experienced local extension builder in SG19. Please contact us for a free, no obligation quote and compet...
From £10,016
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,344
Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
From £10,248
RS Plumbing and Heating is a trusted extension builder serving customers in SG19 and the surrounding area. Contact us to today to get a competitive...
From £10,448
Relax... you have found a reliable extension builder in SG19. Bench Mark Construction is a friendly and reliable company based in SG19 who consider...
From £10,808
Need to find an Extension Builder near you for all your extension buildering work?
A M Interiors provides a local, trusted extension builde...

Garden offices range from the cheapest of £9,456 (Rite Builders based in LU1) to the dearest of £10,808 (A M Interiors based in MK42), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in SG19 by posting a job with HaMuch. We'll send it to extension builders in SG19.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Biggleswade | £41 | £268 |
| Garden Office near St Neots | £51 | £318 |
| Garden Office near Bedford | £45 | £278 |
| Garden Office near South Bedfordshire | £45 | £278 |
| Garden Office near Kempston | £44 | £273 |
| Garden Office near Letchworth | £44 | £283 |
| Garden Office near South Cambridgeshire | £43 | £305 |
| Garden Office near North Hertfordshire | £44 | £283 |
| Garden Office near Ampthill | £38 | £258 |
| Garden Office near Mid Bedfordshire | £42 | £276 |
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 - £17,690

Two storey extension - £88,286

Build a timber frame extension - £26,190

Build a swimming pool - £81,190

Single storey extension - £58,808

Side return extension - £43,642

Install an RSJ - £2,390

Outbuilding - £10,190

Build a Mansard loft conversion - £52,190

Loft conversion - £35,535

Build a kitchen extension - £42,190

Hip to gable loft conversion - £42,190

Granny annexe - £87,190

Garden office - £10,190

Convert a Garage - £16,190

Garage - £18,690

Build a flat roof extension - £22,190

Build a dormer loft conversion - £42,190

Concrete foundations - £6,440

Convert a bungalow loft - £29,190

Convert a basement - £39,642