Two-storey extensions in Haywards Heath
Everything for a two-storey extension in Haywards Heath, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Haywards Heath at a glance
- Postcode districts
- RH16 and RH17
- Area
- West Sussex, England
- Price region
- South East England
- Nearest towns
- Burgess Hill (3 miles), Hurstpierpoint (5.5 miles), Broadfield (8.2 miles), Crawley (8.7 miles)
- Distance to Crawley
- about 8.7 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.
Haywards Heath sits about 8.7 miles from Crawley. Closer to home, Burgess Hill is 3.0 miles away and Hurstpierpoint 5.5 miles.
Extensions available in Haywards Heath
Two-storey rear extensions
From £61,500 in Haywards Heath. Free visit to firm it up.
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Two-storey side extensions
Our South East England guide starts at £94,500 for this type.
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Two-storey wraparound extensions
Design, approvals and build for Haywards Heath homes. Guide from £132,500.
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Part single, part two-storey extensions
Design, approvals and build for Haywards Heath homes. Guide from £79,000.
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Extensions over a garage
From £34,500 in Haywards Heath. Free visit to firm it up.
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First-floor extensions
Guide from £27,500 in Haywards Heath, including VAT.
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Two-storey extensions for semi-detached houses
From £61,500 in Haywards Heath. Free visit to firm it up.
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Two-storey extensions for detached houses
Our South East England guide starts at £94,500 for this type.
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Kitchen extensions with bedrooms above
Our South East England guide starts at £61,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Haywards Heath. Free visit to firm it up.
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 Haywards Heath
Haywards Heath 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 Haywards Heath
Do you cover Haywards Heath?
Yes. We cover Haywards Heath (RH16 and RH17) and the surrounding area, including Burgess Hill and Hurstpierpoint. The first site visit is free.
What does a two-storey extension cost in Haywards Heath?
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 Haywards Heath do you cover?
Everywhere around it, including Burgess Hill (3 miles), Hurstpierpoint (5.5 miles) and Broadfield (8.2 miles), and the rest of West Sussex.