Two-storey extensions in Rayleigh
Need more room in Rayleigh? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Rayleigh at a glance
- Postcode districts
- SS5 and SS6
- Area
- Essex, England
- Price region
- East of England
- Nearest towns
- Hadleigh (2.3 miles), South Benfleet (3 miles), Wickford (3.9 miles), Pitsea (4.4 miles)
- Distance to Southend-on-Sea
- about 5.8 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.
Rayleigh sits about 5.8 miles from Southend-on-Sea. Closer to home, Hadleigh is 2.3 miles away and South Benfleet 3.0 miles.
Extensions available in Rayleigh
Two-storey rear extensions
For homes in Rayleigh: typical guide from £57,500.
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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
Our East of England guide starts at £124,000 for this type.
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Part single, part two-storey extensions
Design, approvals and build for Rayleigh homes. Guide from £74,000.
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Extensions over a garage
For homes in Rayleigh: typical guide from £32,500.
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First-floor extensions
Rayleigh guide price from £26,000, Standard spec.
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Two-storey extensions for semi-detached houses
Our East of England guide starts at £57,500 for this type.
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Two-storey extensions for detached houses
For homes in Rayleigh: typical guide from £88,500.
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Kitchen extensions with bedrooms above
Design, approvals and build for Rayleigh homes. Guide from £57,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Rayleigh guide price from £57,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Rayleigh, with a rough idea of the approval route and cost for each.
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 Rayleigh
Rayleigh 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 Rayleigh
Do you cover Rayleigh?
Yes. We cover Rayleigh (SS5 and SS6) and the surrounding area, including Hadleigh and South Benfleet. The first site visit is free.
What does a two-storey extension cost in Rayleigh?
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 Rayleigh do you cover?
Everywhere around it, including Hadleigh (2.3 miles), South Benfleet (3 miles) and Wickford (3.9 miles), and the rest of Essex.