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Select your affordable TN11 extension builder
P & A CONSTRUCTION LIMITED is an established extension buildering business in TN11. We come highly recommended and provide competitive quotes for y...
From £41,896
M L Builders & Sons Limited is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote an...
From £41,928
Nordic Sky Limited is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote and competi...
From £42,024
Spend a Penny Installations Ltd is an established extension buildering business in TN11. We come highly recommended and provide competitive quotes ...
From £42,240
montyandbo is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote and competitive rat...

In TN11, prices for dormer loft conversions range from £41,896 (M L Builders & Sons Limited based in TN10) to £42,240 (Montyandbo based in TN4), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in TN11. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Tonbridge | £38 | £254 |
| Build A Dormer Loft Conversion near Tunbridge Wells | £37 | £258 |
| Build A Dormer Loft Conversion near Sevenoaks | £38 | £234 |
| Build A Dormer Loft Conversion near Larkfield | £41 | £253 |
| Build A Dormer Loft Conversion near Crowborough | £36 | £258 |
| Build A Dormer Loft Conversion near Maidstone | £40 | £255 |
| Build A Dormer Loft Conversion near East Grinstead | £37 | £259 |
| Build A Dormer Loft Conversion near Rochester | £39 | £254 |
| Build A Dormer Loft Conversion near Caterham | £43 | £271 |
| Build A Dormer Loft Conversion near Gravesend | £40 | £260 |
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 - £17,550

Two storey extension - £88,074

Build a timber frame extension - £26,050

Build a swimming pool - £81,050

Single storey extension - £55,992

Side return extension - £42,058

Install an RSJ - £2,250

Outbuilding - £10,050

Build a Mansard loft conversion - £52,050

Loft conversion - £34,215

Build a kitchen extension - £42,050

Hip to gable loft conversion - £42,050

Granny annexe - £87,050

Garden office - £10,050

Convert a Garage - £16,050

Garage - £18,550

Build a flat roof extension - £22,050

Build a dormer loft conversion - £42,050

Concrete foundations - £6,300

Convert a bungalow loft - £29,050

Convert a basement - £38,058