From £87,048
Trusted and professional extension builder in Waltham Abbey. Experienced in all extension buildering work and keeping within budget and on quote. W...
From £87,392
Need an Extension Builder in Waltham Abbey? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs fo...
From £87,184
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Waltham Abbey. No obligation free qu...
From £87,560
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
From £87,096
Experienced extension builder ready to quote for your work. Mr is the best extension builder in Waltham Abbey. No obligation free quotes and many h...
From £86,984
JK Doors is a trusted extension builder serving customers in Waltham Abbey and the surrounding area. Contact us to today to get a competitive quote...
From £87,192
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
From £87,312
skilled worker who specializes in completing a wide range of building and renovation projects
From £87,616
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Waltham Abbey and the surrounding area. Contact us to today to ...
From £87,200
Relax... you have found a reliable extension builder in Waltham Abbey. Derryard Construction Ltd is a friendly and reliable company based in Waltha...

Building a granny annexe ranges from £86,984 (JK Doors based in W1W) to £87,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), 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 Waltham Abbey by posting a job with HaMuch. We will send it to extension builders in Waltham Abbey who will be happy to help you.
"Granny annexe" - EN3, job posted 03/08/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Epping Forest | £44 | £273 |
| Granny Annexe near Cheshunt | £48 | £285 |
| Granny Annexe near Loughton | £44 | £273 |
| Granny Annexe near Hoddesdon | £46 | £296 |
| Granny Annexe near Walthamstow | £45 | £277 |
| Granny Annexe near Harlow | £43 | £288 |
| Granny Annexe near Potters Bar | £43 | £273 |
| Granny Annexe near Redbridge | £41 | £264 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Hertford | £46 | £289 |
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 - £17,758

Two storey extension - £88,388

Build a timber frame extension - £26,258

Build a swimming pool - £81,258

Single storey extension - £60,168

Side return extension - £44,407

Install an RSJ - £2,458

Outbuilding - £10,258

Build a Mansard loft conversion - £52,258

Loft conversion - £36,173

Build a kitchen extension - £42,258

Hip to gable loft conversion - £42,258

Granny annexe - £87,258

Garden office - £10,258

Convert a Garage - £16,258

Garage - £18,758

Build a flat roof extension - £22,258

Build a dormer loft conversion - £42,258

Concrete foundations - £6,508

Convert a bungalow loft - £29,258

Convert a basement - £40,407