Colin
We are small building company working for the residential and domestic properties? We work on all types of buildings creating Loft conversion and H...
J G BUILDING SERVICES is a trusted extension builder serving customers in CM19 and the surrounding area. Contact us to today to get a competitive q...
Jon Howard Construction Ltd is a trusted extension builder serving customers in CM19 and the surrounding area. Contact us to today to get a competi...
From £10,424
Hopson Bros Services is a trusted extension builder serving customers in CM19 and the surrounding area. Contact us to today to get a competitive qu...
From £10,224
Experienced extension builder ready to quote for your work. Groome & Sons Ltd is the best extension builder in CM19. No obligation free quotes and ...
From £10,384
D E BRACKEN BUILDING SERVICES is an established and experienced local extension builder in CM19. Please contact us for a free, no obligation quote ...
From £10,168
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,128
Expanse Partnership is an established and experienced local extension builder in CM19. Please contact us for a free, no obligation quote and compet...
From £10,160
R & T Complete Building Services is an established and experienced local extension builder in CM19. Please contact us for a free, no obligation quo...
From £10,200
Need an Extension Builder in CM19? MG BUILDERS has been helping local clients (10 mile radius) with their extension buildering jobs for many years....

Outbuilding costs in CM19 range from the cheapest of £9,912 (J G BUILDING SERVICES based in CM19) to the dearest of £13,152 (Essex loft extensions Ltd based in CM20), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in CM19 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Harlow | £43 | £288 |
| Outbuilding near Hoddesdon | £46 | £296 |
| Outbuilding near Ware | £47 | £296 |
| Outbuilding near Cheshunt | £48 | £285 |
| Outbuilding near Epping Forest | £44 | £273 |
| Outbuilding near Loughton | £44 | £273 |
| Outbuilding near Hertford | £46 | £290 |
| Outbuilding near Bishop's Stortford | £42 | £264 |
| Outbuilding near East Hertfordshire | £44 | £289 |
| Outbuilding near Welwyn Garden City | £42 | £269 |
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 - £18,016

Two storey extension - £88,774

Build a timber frame extension - £26,516

Build a swimming pool - £81,516

Single storey extension - £65,320

Side return extension - £47,305

Install an RSJ - £2,716

Outbuilding - £10,516

Build a Mansard loft conversion - £52,516

Loft conversion - £38,588

Build a kitchen extension - £42,516

Hip to gable loft conversion - £42,516

Granny annexe - £87,516

Garden office - £10,516

Convert a Garage - £16,516

Garage - £19,016

Build a flat roof extension - £22,516

Build a dormer loft conversion - £42,516

Concrete foundations - £6,766

Convert a bungalow loft - £29,516

Convert a basement - £43,305