How Much Do House Extensions Cost ?
Want to find out estimated costs and prices for Home Extensions in London?
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Choose Your Extension

Small Rear Flat Roof : £55,000
Small Rear Extension - £55000

Small Rear Flat Roof (1) : £55,000
Small Rear Extension

Small Rear Flat Roof (2) : £55,000
Small Rear Extension

Small Rear Flat Roof (3) : £55,000
Small Rear Extension

Small Rear Flat Roof (4) : £55,000
Small Rear Extension

Small Rear Flat Roof (5) : £55,000
Small Rear Extension

Medium Rear Flat Roof : £90,000
Medium Rear Extension - £90000

Medium Rear Flat Roof (1) : £90,000
Medium Rear Extension

Medium Rear Flat Roof (2) : £90,000
Medium Rear Extension

Medium Rear Flat Roof (3) : £90,000
Medium Rear Extension

Medium Rear Flat Roof (4) : £90,000
Medium Rear Extension

Medium Rear Flat Roof (5) : £90,000
Medium Rear Extension

Wraparound Flat Roof : £145,000
Wraparound Flat Extension

Wraparound Flat Roof (1) : £145,000
Wraparound Flat Extension

Wraparound Flat Roof (2) : £145,000
Wraparound Flat Extension

Wraparound Flat Roof (3) : £145,000
Wraparound Flat Extension

Wraparound Flat Roof (4) : £145,000
Wraparound Flat Extension

Wraparound Flat Roof (5) : £145,000
Wraparound Flat Extension

Rear Flat Roof : £50,000
3m X 3m Rear Extension

Rear Flat Roof (1) : £50,000
3m X 3m Rear Extension

Rear Flat Roof (2) : £50,000
3m X 3m Rear Extension

Rear Flat Roof (3) : £50,000
3m X 3m Rear Extension

Rear Flat Roof (4) : £50,000
3m X 3m Rear Extension

Rear Flat Roof (5) : £50,000
3m X 3m Rear Extension

3 m Rear Flat Roof : £65,000
3m Rear Extension

3 m Rear Flat Roof (1) : £65,000
3m Rear Extension

3 m Rear Flat Roof (2) : £65,000
3m Rear Extension

3 m Rear Flat Roof (3) : £65,000
3m Rear Extension

3 m Rear Flat Roof (4) : £65,000
3m Rear Extension

3 m Rear Flat Roof (5) : £65,000
3m Rear Extension

Small Side Flat Roof (1) : £50,000
Small Side Return Extension

Small Side Flat Roof (2) : £50,000
Small Side Return Extension

Small Side Flat Roof (3) : £50,000
Small Side Return Extension

Small Side Flat Roof (4) : £50,000
Small Side Return Extension

Small Side Flat Roof (5) : £50,000
Small Side Return Extension

Medium Side Flat Roof : £60,000
Medium Side Return Extension

Medium Side Flat Roof (1) : £60,000
Medium Side Return Extension

Medium Side Flat Roof (2) : £60,000
Medium Side Return Extension

Medium Side Flat Roof (3) : £60,000
Medium Side Return Extension

Medium Side Flat Roof (4) : £60,000
Medium Side Return Extension

Medium Side Flat Roof (5) : £60,000
Medium Side Return Extension

Large Side Flat Roof : £65,000
Large Side Return Extension

Large Side Flat Roof (1) : £65,000
Large Side Return Extension

Large Side Flat Roof (2) : £65,000
Large Side Return Extension

Large Side Flat Roof (3) : £65,000
Large Side Return Extension

Large Side Flat Roof (4) : £65,000
Large Side Return Extension

Large Side Flat Roof (5) : £65,000
Large Side Return Extension

Small Side Pitched Roof : £50,000
Small Side Return Extension

All - Side Extension - Gable Roof : £6
Small Side Return Extension

All - Side Extension - Gable Roof : £50,000
Small Side Return Extension

All - Wraparound - Pitched Roof : £6
Small Side Return Extension

Terraced Flat Back - Side & Rear Extension - Gable Roof : £6
Small Side Return Extension

End of Terrace - Side & Rear Extension - Flat Roof : £6
Small Side Return Extension

End of Terrace - Rear Extension - Gable Roof : £5
Small Side Return Extension

Terraced Flat Back - Wraparound Extension - Flat Roof : £6
Small Side Return Extension

Terraced Flat Back - Side Extension - Flat Roof : £6
Small Side Return Extension

Terraced Flat Back - Side & Rear Extension - Flat Roof : £5
Small Side Return Extension

Semi Detached - Side & Rear Extension - Gable Roof : £6
Small Side Return Extension

Semi Detached - All - Flat Roof : £6
Small Side Return Extension

Semi Detached - Wraparound extension - Flat roof : £6
Small Side Return Extension

End of Terrace - Side & Rear Extension - Gable Roof : £5
Small Side Return Extension

Detached - Side & Rear Extension - Gable Roof : £5
Small Side Return Extension

Semi-detached - Side Extension - Flat Roof : £5
Small Side Return Extension

Semi-detached - Side & Rear Extension - Flat Roof (Contact us for a customized QUOTE)
Contact us for a customized QUOTE

All - Rear Extension - Gable Roof : £6
Small Side Return Extension

All - Rear Extension - Flat Roof : £6
Small Side Return Extension

Terraced L Shape - Rear Extension - Gable Roof : £6
Small Side Return Extension

Terraced Flat Back - Rear Extension - Gable Roof : £2
Small Side Return Extension

Semi detached - Rear Extension - Gable Roof : £5
Small Side Return Extension

All - Wraparound Extension - Flat Roof : £5
Small Side Return Extension

All - Side Extension - Flat Roof : £5
Small Side Return Extension

Terraced L Shape - Side & Rear Extension - Pitched Roof : £6
Small Side Return Extension

Terraced L Shape - Side & Rear Extension - Gable Roof : £6
Small Side Return Extension

Terraced L Shape - Side & Rear Extension - Pitched Hip Roof : £6
Small Side Return Extension

Terraced Flat Back - Side Extension - Pitched Roof : £6
Small Side Return Extension

Detached - Rear Extension - Gable Roof (Contact us for a customized QUOTE) : £0
Contact us for a customized QUOTE

End of terrace - Side Extension - Pitched Hip Roof : £6
Small Side Return Extension

Detached - Side Extension - Pitched (Hip) Roof : £6
Small Side Return Extension

Terraced L Shape - Side Extension - Gable Roof : £6
Small Side Return Extension

Detached - Side & Rear Extension - Pitched (Hip) Roof : £6
Small Side Return Extension

Semi detached - Side Extension - Pitched (Hip) Roof : £6
Small Side Return Extension

Semi detached - Rear Extension - Pitched (Hip) Roof : £6
Small Side Return Extension

Terraced Flat Back - Side & Rear Extension - Pitched & Flat Roof : £5
Small Side Return Extension

Semi detached - Side & Rear Extension - Pitched & Flat Roof : £6
Small Side Return Extension

Detached - Side & Rear Extension - Pitched & Flat Roof : £5
Small Side Return Extension

Terraced L Shape - Rear Extension - Pitched & Flat Roof : £4
Small Side Return Extension

Detached - Rear Extension - Pitched & Flat Roof : £4
Small Side Return Extension

Terraced Flat Back - Side & Rear extension - Pitched (Hip) Roof : £6
Small Side Return Extension

All - Side & Rear Extension - Pitched & Flat Roof : £7
Small Side Return Extension

Terraced Flat Back - Rear Extension - Pitched & Flat Roof : £7
Small Side Return Extension

Semi detached - Rear Extension - Pitched & Flat Roof : £7
Small Side Return Extension

Terraced Flat Back - All - Flat Roof : £7
Small Side Return Extension

End of terrace - Rear Extension - Pitched & Flat Roof : £7
Small Side Return Extension

End of Terrace - Side & Rear Extension - Pitched Roof : £8
Small Side Return Extension

All - Side & Rear Extension - Gable Proof : £8
Small Side Return Extension

Semi detached - Side & Rear Extension - Pitched Roof : £6
Small Side Return Extension