Dawid Slizowski
MAGNOLIA HOME is family run,Tunbridge Wells based building company,.With years expirence,you as the customer can be assured that you are in safe ha...
Need an Extension Builder in TN1? Strawberry Hill Construction Ltd has been helping local clients (20 mile radius) with their extension buildering ...
First of all, we began as a small family painter and decorator business covering the Tunbridge Wells area and, following the positive recommendatio...
Brooks & Co Developments, Based in Tunbridge Wells, Kent. Specialising in, Home refurbishments
Ive built Oliver David Construction on the strong values of trust and a personal approach to each and every job, from the design and conception pha...
P & A CONSTRUCTION LIMITED is an established extension buildering business in TN1. We come highly recommended and provide competitive quotes for yo...
From £87,296
Need an Extension Builder in TN1? J P ADAMS BUILDERS LTD has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £87,200
Need an Extension Builder in TN1? Design Atelier Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £87,368
Whether you’re planning a new build, restoration, renovation, refurbishment or if you’re just after a concept design & costing to decide if you...

Building a granny annexe ranges from £86,320 (Magnoli Home based in TN2) to £87,368 (Design Atelier Ltd based in TN1), 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 TN1 by posting a job with HaMuch. We will send it to extension builders in TN1 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Tunbridge Wells | £37 | £258 |
| Granny Annexe near Tonbridge | £38 | £254 |
| Granny Annexe near Crowborough | £36 | £258 |
| Granny Annexe near Sevenoaks | £38 | £234 |
| Granny Annexe near Wealden | £35 | £256 |
| Granny Annexe near East Grinstead | £37 | £259 |
| Granny Annexe near Larkfield | £41 | £253 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Mid Sussex | £35 | £261 |
| Granny Annexe near Hailsham | £31 | £243 |
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 - £17,537

Two storey extension - £88,055

Build a timber frame extension - £26,037

Build a swimming pool - £81,037

Single storey extension - £55,736

Side return extension - £41,914

Install an RSJ - £2,237

Outbuilding - £10,037

Build a Mansard loft conversion - £52,037

Loft conversion - £34,095

Build a kitchen extension - £42,037

Hip to gable loft conversion - £42,037

Granny annexe - £87,037

Garden office - £10,037

Convert a Garage - £16,037

Garage - £18,537

Build a flat roof extension - £22,037

Build a dormer loft conversion - £42,037

Concrete foundations - £6,287

Convert a bungalow loft - £29,037

Convert a basement - £37,914