Two-storey extensions in Hanworth
Homeowners in Hanworth can use us for the whole project or just the drawings and approvals. Start with a free visit.
Hanworth at a glance
- Postcode districts
- TW13
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Hampton (1.5 miles), Feltham (1.6 miles), West Molesey (2.3 miles), Teddington (2.4 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 Hanworth we also work in Hampton, Feltham and West Molesey, and across the rest of Greater London. Postcode district in and near Hanworth: TW13.
Extensions available in Hanworth
Two-storey rear extensions
From £67,000 in Hanworth. Free visit to firm it up.
Learn more
Two-storey side extensions
For homes in Hanworth: typical guide from £103,500.
Learn more
Two-storey wraparound extensions
From £144,500 in Hanworth. Free visit to firm it up.
Learn more
Part single, part two-storey extensions
For homes in Hanworth: typical guide from £86,500.
Learn more
Extensions over a garage
From £38,000 in Hanworth. Free visit to firm it up.
Learn more
First-floor extensions
For homes in Hanworth: typical guide from £30,000.
Learn more
Two-storey extensions for semi-detached houses
Our London guide starts at £67,000 for this type.
Learn more
Two-storey extensions for detached houses
Hanworth guide price from £103,500, Standard spec.
Learn more
Kitchen extensions with bedrooms above
Design, approvals and build for Hanworth homes. Guide from £67,000 (before kitchen units).
Learn more
Extra bedroom and en-suite extensions
Hanworth guide price from £67,000 (plus en-suite), Standard spec.
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 Greater London
- 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 Hanworth
Hanworth 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 Hanworth
Do you cover Hanworth?
Yes. We cover Hanworth (TW13) and the surrounding area, including Hampton and Feltham. The first site visit is free.
What does a two-storey extension cost in Hanworth?
Using our London 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 £67,000–£90,500 including VAT. An extension over a garage is about £38,000–£55,000.
Which other places near Hanworth do you cover?
Everywhere around it, including Hampton (1.5 miles), Feltham (1.6 miles) and West Molesey (2.3 miles), and the rest of Greater London.