Two-storey extensions in Burgess Hill
Homeowners in Burgess Hill can use us for the whole project or just the drawings and approvals. Start with a free visit.
Burgess Hill at a glance
- Postcode districts
- RH15
- Area
- West Sussex, England
- Price region
- South East England
- Nearest towns
- Hurstpierpoint (2.7 miles), Haywards Heath (3 miles), Lewes (8.5 miles), Portslade (8.8 miles)
- Distance to Crawley
- about 10.9 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 Burgess Hill (RH15) and the places around it, including Hurstpierpoint (2.7 miles), Haywards Heath (3.0 miles) and Lewes.
Extensions available in Burgess Hill
Two-storey rear extensions
Design, approvals and build for Burgess Hill homes. Guide from £61,500.
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Two-storey side extensions
For homes in Burgess Hill: typical guide from £94,500.
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Two-storey wraparound extensions
From £132,500 in Burgess Hill. Free visit to firm it up.
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Part single, part two-storey extensions
From £79,000 in Burgess Hill. Free visit to firm it up.
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Extensions over a garage
Design, approvals and build for Burgess Hill homes. Guide from £34,500.
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First-floor extensions
Guide from £27,500 in Burgess Hill, including VAT.
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Two-storey extensions for semi-detached houses
Burgess Hill guide price from £61,500, Standard spec.
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Two-storey extensions for detached houses
Burgess Hill guide price from £94,500, Standard spec.
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Kitchen extensions with bedrooms above
From £61,500 (before kitchen units) in Burgess Hill. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Design, approvals and build for Burgess Hill homes. Guide from £61,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in West Sussex, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in West Sussex
- 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 Burgess Hill
Burgess Hill 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 Burgess Hill
Do you cover Burgess Hill?
Yes. We cover Burgess Hill (RH15) and the surrounding area, including Hurstpierpoint and Haywards Heath. The first site visit is free.
What does a two-storey extension cost in Burgess Hill?
Using our South East 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 £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Burgess Hill do you cover?
Everywhere around it, including Hurstpierpoint (2.7 miles), Haywards Heath (3 miles) and Lewes (8.5 miles), and the rest of West Sussex.