From £87,000
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,408
A "widespread respect and admiration" is how the dictionary describes the word "prestige" and we know that our customers perceive, not just the kit...
From £86,968
Experienced extension builder ready to quote for your work. Archway Construction (UK) Limited is the best extension builder in PE7. No obligation f...
From £86,776
GVT is an established extension buildering business in PE7. We come highly recommended and provide competitive quotes for your work.
From £86,920
Trusted and professional extension builder in PE7. Experienced in all extension buildering work and keeping within budget and on quote. RBAM Constr...
From £87,160
DAR CONSTRUCTION are here to help customers who need an Extension Builder in PE7. We offer a competitive rate to complete all your extension builde...
From £87,400
Member since January 2026
Welcome to Price & Sons! We are a building company based in Peterborough. If you are interested in a quote please get in touch with us!
From £86,888
Your Local builders in Peterborough
GMF Builders is owned and managed by Graham Fuller who has approximately 23 years experience in the ...
From £87,080
Trusted and professional extension builder in PE7. Experienced in all extension buildering work and keeping within budget and on quote. Moores Roof...
From £87,104
Lauren Builders are a domestic and commercial building company based in Peterborough, and is owned and run by Father & Son, Mick & Lee Gapper, who ...

Building a granny annexe ranges from £86,776 (GVT based in PE1) to £87,408 (Prestige Kitchen & Bathrooms Ltd based in PE2), 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 PE7 by posting a job with HaMuch. We will send it to extension builders in PE7 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Peterborough | £42 | £280 |
| Granny Annexe near Huntingdonshire | £36 | £290 |
| Granny Annexe near Huntingdon | £38 | £284 |
| Granny Annexe near Stamford | £35 | £248 |
| Granny Annexe near Wisbech | £34 | £255 |
| Granny Annexe near Spalding | £32 | £238 |
| Granny Annexe near St Neots | £51 | £318 |
| Granny Annexe near Corby | £30 | £214 |
| Granny Annexe near Kettering | £34 | £237 |
| Granny Annexe near Rushden | £34 | £231 |
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 - £17,570

Two storey extension - £88,106

Build a timber frame extension - £26,070

Build a swimming pool - £81,070

Single storey extension - £56,408

Side return extension - £42,292

Install an RSJ - £2,270

Outbuilding - £10,070

Build a Mansard loft conversion - £52,070

Loft conversion - £34,410

Build a kitchen extension - £42,070

Hip to gable loft conversion - £42,070

Granny annexe - £87,070

Garden office - £10,070

Convert a Garage - £16,070

Garage - £18,570

Build a flat roof extension - £22,070

Build a dormer loft conversion - £42,070

Concrete foundations - £6,320

Convert a bungalow loft - £29,070

Convert a basement - £38,292