Two-storey extensions in Uckfield
Everything for a two-storey extension in Uckfield, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Uckfield at a glance
- Postcode districts
- TN22
- Area
- East Sussex, England
- Price region
- South East England
- Nearest towns
- Crowborough (7 miles), Lewes (7.6 miles), Haywards Heath (8.9 miles), Burgess Hill (10 miles)
- Distance to Brighton
- about 14.2 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 Uckfield we also work in Crowborough, Lewes and Haywards Heath, and across the rest of East Sussex. Postcode district in and near Uckfield: TN22.
Extensions available in Uckfield
Two-storey rear extensions
For homes in Uckfield: typical guide from £61,500.
Learn more
Two-storey side extensions
For homes in Uckfield: typical guide from £94,500.
Learn more
Two-storey wraparound extensions
Guide from £132,500 in Uckfield, including VAT.
Learn more
Part single, part two-storey extensions
From £79,000 in Uckfield. Free visit to firm it up.
Learn more
Extensions over a garage
Uckfield guide price from £34,500, Standard spec.
Learn more
First-floor extensions
Design, approvals and build for Uckfield homes. Guide from £27,500.
Learn more
Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
Learn more
Two-storey extensions for detached houses
Uckfield guide price from £94,500, Standard spec.
Learn more
Kitchen extensions with bedrooms above
Guide from £61,500 (before kitchen units) in Uckfield, including VAT.
Learn more
Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Uckfield. 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 East Sussex, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in East 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 Uckfield
Uckfield 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 Uckfield
Do you cover Uckfield?
Yes. We cover Uckfield (TN22) and the surrounding area, including Crowborough and Lewes. The first site visit is free.
What does a two-storey extension cost in Uckfield?
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 Uckfield do you cover?
Everywhere around it, including Crowborough (7 miles), Lewes (7.6 miles) and Haywards Heath (8.9 miles), and the rest of East Sussex.