Two-storey extensions in Barking
We design, get approval for and build two-storey extensions in Barking and the surrounding area. Choose the type of extension below or book a free site visit.
Barking at a glance
- Postcode districts
- E6, E20 and IG11
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Ilford (1.7 miles), Manor Park (1.9 miles), Goodmayes (2.4 miles), Becontree (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.
We cover Barking (E6, E20 and IG11) and the places around it, including Ilford (1.7 miles), Manor Park (1.9 miles) and Goodmayes.
Extensions available in Barking

Two-storey rear extensions
Our London guide starts at £67,000 for this type.
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Two-storey side extensions
For homes in Barking: typical guide from £103,500.
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Two-storey wraparound extensions
Our London guide starts at £144,500 for this type.
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Part single, part two-storey extensions
Barking guide price from £86,500, Standard spec.
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Extensions over a garage
Our London guide starts at £38,000 for this type.
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First-floor extensions
From £30,000 in Barking. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Barking homes. Guide from £67,000.
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Two-storey extensions for detached houses
Our London guide starts at £103,500 for this type.
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Kitchen extensions with bedrooms above
For homes in Barking: typical guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £67,000 (plus en-suite) in Barking, including VAT.
Learn moreWhich type suits your house?
Which type suits your house in Barking 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 Barking
Barking 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 Barking
Do you cover Barking?
Yes. We cover Barking (E6, E20 and IG11) and the surrounding area, including Ilford and Manor Park. The first site visit is free.
What does a two-storey extension cost in Barking?
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 Barking do you cover?
Everywhere around it, including Ilford (1.7 miles), Manor Park (1.9 miles) and Goodmayes (2.4 miles), and the rest of Greater London.