Two-storey extensions in Bracknell
Everything for a two-storey extension in Bracknell, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Bracknell at a glance
- Postcode districts
- RG12 and RG42
- Area
- Berkshire, England
- Price region
- South East England
- Nearest towns
- Ascot (3.3 miles), Crowthorne (3.5 miles), Wokingham (3.7 miles), Sunninghill (4.2 miles)
- Distance to Reading
- about 9.9 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.
Around Bracknell we also work in Ascot, Crowthorne and Wokingham, and across the rest of Berkshire. Postcode districts in and near Bracknell: RG12 and RG42.
Extensions available in Bracknell

Two-storey rear extensions
Bracknell guide price from £61,500, Standard spec.
Learn more
Two-storey side extensions
From £94,500 in Bracknell. Free visit to firm it up.
Learn more
Two-storey wraparound extensions
Bracknell guide price from £132,500, Standard spec.
Learn more
Part single, part two-storey extensions
Design, approvals and build for Bracknell homes. Guide from £79,000.
Learn more
Extensions over a garage
Bracknell guide price from £34,500, Standard spec.
Learn more
First-floor extensions
Bracknell guide price from £27,500, Standard spec.
Learn more
Two-storey extensions for semi-detached houses
Guide from £61,500 in Bracknell, including VAT.
Learn more
Two-storey extensions for detached houses
Guide from £94,500 in Bracknell, including VAT.
Learn more
Kitchen extensions with bedrooms above
Our South East England guide starts at £61,500 (before kitchen units) for this type.
Learn more
Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Bracknell. 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 Berkshire, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Berkshire
- 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 Bracknell
Bracknell 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 Bracknell
Do you cover Bracknell?
Yes. We cover Bracknell (RG12 and RG42) and the surrounding area, including Ascot and Crowthorne. The first site visit is free.
What does a two-storey extension cost in Bracknell?
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 Bracknell do you cover?
Everywhere around it, including Ascot (3.3 miles), Crowthorne (3.5 miles) and Wokingham (3.7 miles), and the rest of Berkshire.