Two-storey extensions in South Benfleet
Homeowners in South Benfleet can use us for the whole project or just the drawings and approvals. Start with a free visit.
South Benfleet at a glance
- Postcode districts
- SS7
- Area
- Essex, England
- Price region
- East of England
- Nearest towns
- Hadleigh (2.2 miles), Pitsea (2.3 miles), Canvey Island (2.3 miles), Rayleigh (3 miles)
- Distance to Southend-on-Sea
- about 6.7 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 South Benfleet (SS7) and the places around it, including Hadleigh (2.2 miles), Pitsea (2.3 miles) and Canvey Island.
Extensions available in South Benfleet
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
For homes in South Benfleet: typical guide from £124,000.
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Part single, part two-storey extensions
From £74,000 in South Benfleet. Free visit to firm it up.
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Extensions over a garage
From £32,500 in South Benfleet. Free visit to firm it up.
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First-floor extensions
For homes in South Benfleet: typical guide from £26,000.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in South Benfleet, including VAT.
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Two-storey extensions for detached houses
Guide from £88,500 in South Benfleet, including VAT.
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Kitchen extensions with bedrooms above
Our East of England guide starts at £57,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Design, approvals and build for South Benfleet homes. Guide from £57,500 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in South Benfleet we measure distances to every boundary before suggesting a type.
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 South Benfleet
South Benfleet 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 South Benfleet
Do you cover South Benfleet?
Yes. We cover South Benfleet (SS7) and the surrounding area, including Hadleigh and Pitsea. The first site visit is free.
What does a two-storey extension cost in South Benfleet?
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 South Benfleet do you cover?
Everywhere around it, including Hadleigh (2.2 miles), Pitsea (2.3 miles) and Canvey Island (2.3 miles), and the rest of Essex.