1 review
From £87,192
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
From £87,392
Need an Extension Builder in CM16? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
From £87,312
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in CM16. Please contact us for a free, no obliga...
From £86,920
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...
From £87,432
Krystian Wojasiewicz is a trusted extension builder serving customers in CM16 and the surrounding area. Contact us to today to get a competitive qu...
From £87,432
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...
From £87,144
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in CM16. No obligation free quo...
From £86,904
V.S.P is a trusted extension builder serving customers in CM16 and the surrounding area. Contact us to today to get a competitive quote for extensi...
From £87,096
Experienced extension builder ready to quote for your work. Mr is the best extension builder in CM16. No obligation free quotes and many happy cust...
From £88,616
Over 20 years experience
Client focussed and driven
Personal planning and completion of work
Warranty ...

Building a granny annexe ranges from £86,904 (V.S.P based in NW10) to £88,616 (GasHeat based in NW10), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in CM16 by posting a job with HaMuch. We will send it to extension builders in CM16 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Loughton | £44 | £273 |
| Granny Annexe near Epping Forest | £44 | £273 |
| Granny Annexe near Harlow | £43 | £288 |
| Granny Annexe near Hoddesdon | £46 | £296 |
| Granny Annexe near Cheshunt | £48 | £285 |
| Granny Annexe near Romford | £45 | £274 |
| Granny Annexe near Redbridge | £41 | £264 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Walthamstow | £45 | £277 |
| Granny Annexe near Brentwood | £39 | £255 |
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 - £17,844

Two storey extension - £88,516

Build a timber frame extension - £26,344

Build a swimming pool - £81,344

Single storey extension - £61,880

Side return extension - £45,370

Install an RSJ - £2,544

Outbuilding - £10,344

Build a Mansard loft conversion - £52,344

Loft conversion - £36,975

Build a kitchen extension - £42,344

Hip to gable loft conversion - £42,344

Granny annexe - £87,344

Garden office - £10,344

Convert a Garage - £16,344

Garage - £18,844

Build a flat roof extension - £22,344

Build a dormer loft conversion - £42,344

Concrete foundations - £6,594

Convert a bungalow loft - £29,344

Convert a basement - £41,370