Two-storey extensions in Reading
Planning a bigger home in Reading? Compare extension types and guide prices below, then book a free site visit.
Reading at a glance
- Postcode districts
- RG1, RG4, RG30 and RG31
- Area
- Berkshire, England
- Price region
- South East England
- Nearest towns
- Lower Earley (3 miles), Henley-on-Thames (6.1 miles), Wokingham (6.6 miles), Crowthorne (9.7 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.
Around Reading we also work in Lower Earley, Henley-on-Thames and Wokingham, and across the rest of Berkshire. Postcode districts in and near Reading: RG1, RG4, RG30 and RG31.
Extensions available in Reading
Two-storey rear extensions
Design, approvals and build for Reading homes. Guide from £61,500.
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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
From £132,500 in Reading. Free visit to firm it up.
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Part single, part two-storey extensions
Guide from £79,000 in Reading, including VAT.
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Extensions over a garage
For homes in Reading: typical guide from £34,500.
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First-floor extensions
Design, approvals and build for Reading homes. Guide from £27,500.
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Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
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Two-storey extensions for detached houses
For homes in Reading: typical guide from £94,500.
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Kitchen extensions with bedrooms above
From £61,500 (before kitchen units) in Reading. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Reading guide price from £61,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Reading
Reading 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 Reading
Do you cover Reading?
Yes. We cover Reading (RG1, RG4, RG30 and RG31) and the surrounding area, including Lower Earley and Henley-on-Thames. The first site visit is free.
What does a two-storey extension cost in Reading?
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 Reading do you cover?
Everywhere around it, including Lower Earley (3 miles), Henley-on-Thames (6.1 miles) and Wokingham (6.6 miles), and the rest of Berkshire.