Two-storey extensions in Witham
Need more room in Witham? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Witham at a glance
- Postcode districts
- CM8
- Area
- Essex, England
- Price region
- East of England
- Nearest towns
- Maldon (5 miles), Braintree (6.6 miles), Chelmsford (8.5 miles), Halstead (10 miles)
- Distance to Southend-on-Sea
- about 18.4 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.
Witham sits about 18.4 miles from Southend-on-Sea. Closer to home, Maldon is 5.0 miles away and Braintree 6.6 miles.
Extensions available in Witham
Two-storey rear extensions
For homes in Witham: typical guide from £57,500.
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Two-storey side extensions
Witham guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
From £124,000 in Witham. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Witham homes. Guide from £74,000.
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Extensions over a garage
For homes in Witham: typical guide from £32,500.
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First-floor extensions
Guide from £26,000 in Witham, including VAT.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in Witham, including VAT.
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Two-storey extensions for detached houses
Design, approvals and build for Witham homes. Guide from £88,500.
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Kitchen extensions with bedrooms above
Guide from £57,500 (before kitchen units) in Witham, including VAT.
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Extra bedroom and en-suite extensions
For homes in Witham: typical guide from £57,500 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Witham 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 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 Witham
Witham 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 Witham
Do you cover Witham?
Yes. We cover Witham (CM8) and the surrounding area, including Maldon and Braintree. The first site visit is free.
What does a two-storey extension cost in Witham?
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 Witham do you cover?
Everywhere around it, including Maldon (5 miles), Braintree (6.6 miles) and Chelmsford (8.5 miles), and the rest of Essex.