Two-storey extensions in Conisbrough
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Conisbrough.
Conisbrough at a glance
- Postcode districts
- DN12
- Area
- South Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Mexborough (2.6 miles), Bolton-upon-Dearne (4.2 miles), Maltby (4.7 miles), Rawmarsh (4.8 miles)
- Distance to Sheffield
- about 11.8 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.
We cover postcode district DN12 in and around Conisbrough, along with neighbouring Mexborough, Bolton-upon-Dearne and Maltby.
Extensions available in Conisbrough
Two-storey rear extensions
Guide from £51,500 in Conisbrough, including VAT.
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Two-storey side extensions
For homes in Conisbrough: typical guide from £79,000.
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Two-storey wraparound extensions
For homes in Conisbrough: typical guide from £111,000.
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Part single, part two-storey extensions
Our Yorkshire and the Humber guide starts at £66,000 for this type.
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Extensions over a garage
Design, approvals and build for Conisbrough homes. Guide from £29,000.
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First-floor extensions
Our Yorkshire and the Humber guide starts at £23,000 for this type.
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Two-storey extensions for semi-detached houses
From £51,500 in Conisbrough. Free visit to firm it up.
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Two-storey extensions for detached houses
Our Yorkshire and the Humber guide starts at £79,000 for this type.
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Kitchen extensions with bedrooms above
For homes in Conisbrough: typical guide from £51,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £51,500 (plus en-suite) in Conisbrough, including VAT.
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 Conisbrough we measure distances to every boundary before suggesting a type.
Also available in South Yorkshire
- 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 Conisbrough
Conisbrough 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 Conisbrough
Do you cover Conisbrough?
Yes. We cover Conisbrough (DN12) and the surrounding area, including Mexborough and Bolton-upon-Dearne. The first site visit is free.
What does a two-storey extension cost in Conisbrough?
Using our Yorkshire and the Humber 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Conisbrough do you cover?
Everywhere around it, including Mexborough (2.6 miles), Bolton-upon-Dearne (4.2 miles) and Maltby (4.7 miles), and the rest of South Yorkshire.