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Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligation quote...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Sharp Building Ltd is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligation quote an...
Mario Prajar Building Services is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligat...
Need to find an Extension Builder near you for all your extension buildering work?
MAX CONSTRUCTION LTD provides a local, trusted extension...
RLC Construction are here to help customers who need an Extension Builder in North Watford. We offer a competitive rate to complete all your extens...
Relax... you have found a reliable extension builder in North Watford. C T Edwards is a friendly and reliable company based in North Watford who co...
Relax... you have found a reliable extension builder in North Watford. Building Service and Support Ltd is a friendly and reliable company based in...
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...

Garden offices range from the cheapest of £9,880 (MAX CONSTRUCTION LTD based in HA4) to the dearest of £10,512 (Mandala Building Services based in WD6), 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 North Watford by posting a job with HaMuch. We'll send it to extension builders in North Watford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Watford | £43 | £280 |
| Garden Office near Bushey | £43 | £278 |
| Garden Office near Rickmansworth | £43 | £282 |
| Garden Office near Borehamwood | £42 | £271 |
| Garden Office near St Albans | £43 | £272 |
| Garden Office near Dacorum | £42 | £275 |
| Garden Office near Harrow | £43 | £270 |
| Garden Office near Hemel Hempstead | £43 | £276 |
| Garden Office near Gerrards Cross | £43 | £283 |
| Garden Office near Hillingdon | £43 | £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 - £17,722

Two storey extension - £88,334

Build a timber frame extension - £26,222

Build a swimming pool - £81,222

Single storey extension - £59,448

Side return extension - £44,002

Install an RSJ - £2,422

Outbuilding - £10,222

Build a Mansard loft conversion - £52,222

Loft conversion - £35,835

Build a kitchen extension - £42,222

Hip to gable loft conversion - £42,222

Granny annexe - £87,222

Garden office - £10,222

Convert a Garage - £16,222

Garage - £18,722

Build a flat roof extension - £22,222

Build a dormer loft conversion - £42,222

Concrete foundations - £6,472

Convert a bungalow loft - £29,222

Convert a basement - £40,002