Two-storey extensions in Goodmayes
Homeowners in Goodmayes can use us for the whole project or just the drawings and approvals. Start with a free visit.
Goodmayes at a glance
- Postcode districts
- IG3
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Becontree (1 mile), Chadwell Heath (1.1 miles), Ilford (1.7 miles), Barkingside (2.2 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.
We cover Goodmayes (IG3) and the places around it, including Becontree (1.0 miles), Chadwell Heath (1.1 miles) and Ilford.
Extensions available in Goodmayes
Two-storey rear extensions
Design, approvals and build for Goodmayes homes. Guide from £67,000.
Learn more
Two-storey side extensions
Guide from £103,500 in Goodmayes, including VAT.
Learn more
Two-storey wraparound extensions
Design, approvals and build for Goodmayes homes. Guide from £144,500.
Learn more
Part single, part two-storey extensions
For homes in Goodmayes: typical guide from £86,500.
Learn more
Extensions over a garage
Design, approvals and build for Goodmayes homes. Guide from £38,000.
Learn more
First-floor extensions
For homes in Goodmayes: 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
Our London guide starts at £103,500 for this type.
Learn more
Kitchen extensions with bedrooms above
Goodmayes guide price from £67,000 (before kitchen units), Standard spec.
Learn more
Extra bedroom and en-suite extensions
Design, approvals and build for Goodmayes homes. Guide from £67,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Goodmayes depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
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 Goodmayes
Goodmayes 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 Goodmayes
Do you cover Goodmayes?
Yes. We cover Goodmayes (IG3) and the surrounding area, including Becontree and Chadwell Heath. The first site visit is free.
What does a two-storey extension cost in Goodmayes?
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 Goodmayes do you cover?
Everywhere around it, including Becontree (1 mile), Chadwell Heath (1.1 miles) and Ilford (1.7 miles), and the rest of Greater London.