Two-storey extensions in Chigwell
We design, get approval for and build two-storey extensions in Chigwell and the surrounding area. Choose the type of extension below or book a free site visit.
Chigwell at a glance
- Postcode districts
- IG7 and IG10
- Area
- Essex, England
- Price region
- East of England
- Nearest towns
- Buckhurst Hill (1.9 miles), Woodford Green (2.4 miles), Barkingside (2.7 miles), Chingford (3.3 miles)
- Distance to Southend-on-Sea
- about 28 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
Around Chigwell we also work in Buckhurst Hill, Woodford Green and Barkingside, and across the rest of Essex. Postcode districts in and near Chigwell: IG7 and IG10.
Extensions available in Chigwell

Two-storey rear extensions
Our East of England guide starts at £57,500 for this type.
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Two-storey side extensions
Our East of England guide starts at £88,500 for this type.
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Two-storey wraparound extensions
Guide from £124,000 in Chigwell, including VAT.
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Part single, part two-storey extensions
Chigwell guide price from £74,000, Standard spec.
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Extensions over a garage
From £32,500 in Chigwell. Free visit to firm it up.
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First-floor extensions
Our East of England guide starts at £26,000 for this type.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in Chigwell, including VAT.
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Two-storey extensions for detached houses
For homes in Chigwell: typical guide from £88,500.
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Kitchen extensions with bedrooms above
For homes in Chigwell: typical guide from £57,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £57,500 (plus en-suite) in Chigwell. Free visit to firm it up.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
Also available in Essex
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Chigwell
Chigwell is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Chigwell
Do you cover Chigwell?
Yes. We cover Chigwell (IG7 and IG10) and the surrounding area, including Buckhurst Hill and Woodford Green. The first site visit is free.
What does a two-storey extension cost in Chigwell?
Using our East of England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Chigwell do you cover?
Everywhere around it, including Buckhurst Hill (1.9 miles), Woodford Green (2.4 miles) and Barkingside (2.7 miles), and the rest of Essex.