Two-storey extensions in Maltby
Homeowners in Maltby can use us for the whole project or just the drawings and approvals. Start with a free visit.
Maltby at a glance
- Postcode districts
- S66
- Area
- South Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Dinnington (3.5 miles), Conisbrough (4.7 miles), Rotherham (6.5 miles), Mexborough (6.6 miles)
- Distance to Sheffield
- about 11.2 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.
We cover postcode district S66 in and around Maltby, along with neighbouring Dinnington, Conisbrough and Rotherham.
Extensions available in Maltby
Two-storey rear extensions
Guide from £51,500 in Maltby, including VAT.
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Two-storey side extensions
For homes in Maltby: typical guide from £79,000.
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Two-storey wraparound extensions
Guide from £111,000 in Maltby, including VAT.
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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
Guide from £29,000 in Maltby, including VAT.
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First-floor extensions
Guide from £23,000 in Maltby, including VAT.
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Two-storey extensions for semi-detached houses
From £51,500 in Maltby. Free visit to firm it up.
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Two-storey extensions for detached houses
From £79,000 in Maltby. Free visit to firm it up.
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Kitchen extensions with bedrooms above
From £51,500 (before kitchen units) in Maltby. Free visit to firm it up.
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Extra bedroom and en-suite extensions
For homes in Maltby: typical guide from £51,500 (plus en-suite).
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 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 Maltby
Maltby 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 Maltby
Do you cover Maltby?
Yes. We cover Maltby (S66) and the surrounding area, including Dinnington and Conisbrough. The first site visit is free.
What does a two-storey extension cost in Maltby?
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 Maltby do you cover?
Everywhere around it, including Dinnington (3.5 miles), Conisbrough (4.7 miles) and Rotherham (6.5 miles), and the rest of South Yorkshire.