Two-storey extensions in Clacton-on-Sea
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Clacton-on-Sea.
Clacton-on-Sea at a glance
- Postcode districts
- CO15 and CO16
- Area
- Essex, England
- Price region
- East of England
- Nearest towns
- Frinton-on-Sea (4.7 miles), Walton-on-the-Naze (6.2 miles), Wivenhoe (9.6 miles), Harwich (11.9 miles)
- Distance to Southend-on-Sea
- about 25.7 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.
Around Clacton-on-Sea we also work in Frinton-on-Sea, Walton-on-the-Naze and Wivenhoe, and across the rest of Essex. Postcode districts in and near Clacton-on-Sea: CO15 and CO16.
Extensions available in Clacton-on-Sea
Two-storey rear extensions
Clacton-on-Sea guide price from £57,500, Standard spec.
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Two-storey side extensions
Design, approvals and build for Clacton-on-Sea homes. Guide from £88,500.
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Two-storey wraparound extensions
Clacton-on-Sea guide price from £124,000, Standard spec.
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Part single, part two-storey extensions
From £74,000 in Clacton-on-Sea. Free visit to firm it up.
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Extensions over a garage
Clacton-on-Sea guide price from £32,500, Standard spec.
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First-floor extensions
Guide from £26,000 in Clacton-on-Sea, including VAT.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in Clacton-on-Sea, including VAT.
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Two-storey extensions for detached houses
Clacton-on-Sea guide price from £88,500, Standard spec.
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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
Clacton-on-Sea guide price from £57,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Essex, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Clacton-on-Sea
Clacton-on-Sea 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 Clacton-on-Sea
Do you cover Clacton-on-Sea?
Yes. We cover Clacton-on-Sea (CO15 and CO16) and the surrounding area, including Frinton-on-Sea and Walton-on-the-Naze. The first site visit is free.
What does a two-storey extension cost in Clacton-on-Sea?
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 Clacton-on-Sea do you cover?
Everywhere around it, including Frinton-on-Sea (4.7 miles), Walton-on-the-Naze (6.2 miles) and Wivenhoe (9.6 miles), and the rest of Essex.