Two-storey extensions in Royton
Everything for a two-storey extension in Royton, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Royton at a glance
- Postcode districts
- OL2
- Area
- Greater Manchester, England
- Price region
- North West England
- Nearest towns
- Chadderton (1.6 miles), Oldham (1.7 miles), Lees (2.8 miles), Middleton (3.3 miles)
- Distance to Manchester
- about 7.5 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.
Royton sits about 7.5 miles from Manchester. Closer to home, Chadderton is 1.6 miles away and Oldham 1.7 miles.
Extensions available in Royton

Two-storey rear extensions
Royton guide price from £53,000, Standard spec.
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Two-storey side extensions
Our North West England guide starts at £82,000 for this type.
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Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
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Part single, part two-storey extensions
Design, approvals and build for Royton homes. Guide from £68,500.
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Extensions over a garage
For homes in Royton: typical guide from £30,000.
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First-floor extensions
Design, approvals and build for Royton homes. Guide from £24,000.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Royton homes. Guide from £53,000.
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Two-storey extensions for detached houses
Guide from £82,000 in Royton, including VAT.
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Kitchen extensions with bedrooms above
Royton guide price from £53,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
From £53,000 (plus en-suite) in Royton. Free visit to firm it up.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Royton we measure distances to every boundary before suggesting a type.
Also available in Greater Manchester
- 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 Royton
Royton 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 Royton
Do you cover Royton?
Yes. We cover Royton (OL2) and the surrounding area, including Chadderton and Oldham. The first site visit is free.
What does a two-storey extension cost in Royton?
Using our North West 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Royton do you cover?
Everywhere around it, including Chadderton (1.6 miles), Oldham (1.7 miles) and Lees (2.8 miles), and the rest of Greater Manchester.