From £86,968
Experienced extension builder ready to quote for your work. Archway Construction (UK) Limited is the best extension builder in PE1. No obligation f...
From £87,104
Need to find an Extension Builder near you for all your extension buildering work?
Peterborough Handyman Services provides a local, truste...
From £86,776
GVT is an established extension buildering business in PE1. We come highly recommended and provide competitive quotes for your work.
From £86,920
Experienced extension builder ready to quote for your work. SN Brickwork & Home Extensions is the best extension builder in PE1. No obligation free...
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 ...
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 £87,080
Trusted and professional extension builder in PE1. Experienced in all extension buildering work and keeping within budget and on quote. Moores Roof...
From £87,160
DAR CONSTRUCTION are here to help customers who need an Extension Builder in PE1. 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 ...

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 PE1 by posting a job with HaMuch. We will send it to extension builders in PE1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Peterborough | £37 | £246 |
| Granny Annexe near Stamford | £29 | £206 |
| Granny Annexe near Huntingdonshire | £29 | £240 |
| Granny Annexe near Spalding | £30 | £220 |
| Granny Annexe near Wisbech | £30 | £225 |
| Granny Annexe near Huntingdon | £31 | £236 |
| Granny Annexe near Corby | £27 | £193 |
| Granny Annexe near St Neots | £42 | £256 |
| Granny Annexe near Kettering | £29 | £205 |
| Granny Annexe near Rushden | £30 | £209 |
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 - £17,581

Two storey extension - £88,121

Build a timber frame extension - £26,081

Build a swimming pool - £81,081

Single storey extension - £56,616

Side return extension - £42,409

Install an RSJ - £2,281

Outbuilding - £10,081

Build a Mansard loft conversion - £52,081

Loft conversion - £34,508

Build a kitchen extension - £42,081

Hip to gable loft conversion - £42,081

Granny annexe - £87,081

Garden office - £10,081

Convert a Garage - £16,081

Garage - £18,581

Build a flat roof extension - £22,081

Build a dormer loft conversion - £42,081

Concrete foundations - £6,331

Convert a bungalow loft - £29,081

Convert a basement - £38,409