Amarjeet Gill
Architecture and Construction all in one place.
FREE DRAWINGS for all projects we build.
Trusted and professional extension builder in Brickendon. Experienced in all extension buildering work and keeping within budget and on quote. Adva...
A1 Home Care Building Maintenance are here to help customers who need an Extension Builder in Brickendon. We offer a competitive rate to complete a...
Need an Extension Builder in Brickendon? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
Ilir/leo Shkembi
Dear All, I’m a plumber and heating engineer, I have access to all other trades guys that are willing to work long hours and at the weekends ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 Brickendon and the surrounding area. Contact us to today to get a competi...
Jon Howard Construction Ltd is a trusted extension builder serving customers in Brickendon and the surrounding area. Contact us to today to get a c...
Herts Loft Ltd is an established extension buildering business in Brickendon. We come highly recommended and provide competitive quotes for your wo...

Building a granny annexe ranges from £86,864 (Advance Construction Solutions based in EN6) to £90,152 (Essex loft extensions Ltd based in CM20), 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 Brickendon by posting a job with HaMuch. We will send it to extension builders in Brickendon who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Hertford | £46 | £290 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Hoddesdon | £46 | £296 |
| Granny Annexe near Welwyn Garden City | £42 | £269 |
| Granny Annexe near Cheshunt | £48 | £285 |
| Granny Annexe near Hatfield | £65 | £285 |
| Granny Annexe near East Hertfordshire | £44 | £289 |
| Granny Annexe near Potters Bar | £43 | £273 |
| Granny Annexe near Harlow | £43 | £288 |
| Granny Annexe near Epping Forest | £44 | £273 |
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 - £18,043

Two storey extension - £88,815

Build a timber frame extension - £26,543

Build a swimming pool - £81,543

Single storey extension - £65,864

Side return extension - £47,611

Install an RSJ - £2,743

Outbuilding - £10,543

Build a Mansard loft conversion - £52,543

Loft conversion - £38,843

Build a kitchen extension - £42,543

Hip to gable loft conversion - £42,543

Granny annexe - £87,543

Garden office - £10,543

Convert a Garage - £16,543

Garage - £19,043

Build a flat roof extension - £22,543

Build a dormer loft conversion - £42,543

Concrete foundations - £6,793

Convert a bungalow loft - £29,543

Convert a basement - £43,611