Two-storey extensions in Middlesbrough
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Middlesbrough.
Middlesbrough at a glance
- Postcode districts
- TS1, TS2, TS3, TS4, TS5, TS6 and nearby districts
- Area
- North Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Billingham (2.4 miles), Stockton-on-Tees (3.4 miles), Thornaby-on-Tees (4 miles), Yarm (7 miles)
- Distance to York
- about 43.2 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.
Middlesbrough sits about 43.2 miles from York. Closer to home, Billingham is 2.4 miles away and Stockton-on-Tees 3.4 miles.
Extensions available in Middlesbrough
Two-storey rear extensions
Middlesbrough guide price from £51,500, Standard spec.
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Two-storey side extensions
Our Yorkshire and the Humber guide starts at £79,000 for this type.
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Two-storey wraparound extensions
Design, approvals and build for Middlesbrough homes. Guide from £111,000.
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Part single, part two-storey extensions
From £66,000 in Middlesbrough. Free visit to firm it up.
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Extensions over a garage
Design, approvals and build for Middlesbrough homes. Guide from £29,000.
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First-floor extensions
Design, approvals and build for Middlesbrough homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
Our Yorkshire and the Humber guide starts at £51,500 for this type.
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Two-storey extensions for detached houses
Middlesbrough guide price from £79,000, Standard spec.
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Kitchen extensions with bedrooms above
Our Yorkshire and the Humber guide starts at £51,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Middlesbrough guide price from £51,500 (plus en-suite), Standard spec.
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 Middlesbrough we measure distances to every boundary before suggesting a type.
Also available in North 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 Middlesbrough
Middlesbrough 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 Middlesbrough
Do you cover Middlesbrough?
Yes. We cover Middlesbrough (TS1, TS2, TS3, TS4, TS5, TS6 and nearby districts) and the surrounding area, including Billingham and Stockton-on-Tees. The first site visit is free.
What does a two-storey extension cost in Middlesbrough?
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 Middlesbrough do you cover?
Everywhere around it, including Billingham (2.4 miles), Stockton-on-Tees (3.4 miles) and Thornaby-on-Tees (4 miles), and the rest of North Yorkshire.