Two-storey extensions in Spennymoor
Homeowners in Spennymoor can use us for the whole project or just the drawings and approvals. Start with a free visit.
Spennymoor at a glance
- Postcode districts
- DL16
- Area
- County Durham, England
- Price region
- North East England
- Nearest towns
- Ferryhill (2.3 miles), Brandon (3.6 miles), Bishop Auckland (4.2 miles), Shildon (5 miles)
- Distance to Darlington
- about 12.2 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 DL16 in and around Spennymoor, along with neighbouring Ferryhill, Brandon and Bishop Auckland.
Extensions available in Spennymoor
Two-storey rear extensions
Our North East England guide starts at £50,500 for this type.
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Two-storey side extensions
From £77,500 in Spennymoor. Free visit to firm it up.
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Two-storey wraparound extensions
From £108,500 in Spennymoor. Free visit to firm it up.
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Part single, part two-storey extensions
Our North East England guide starts at £65,000 for this type.
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Extensions over a garage
From £28,500 in Spennymoor. Free visit to firm it up.
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First-floor extensions
Design, approvals and build for Spennymoor homes. Guide from £22,500.
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Two-storey extensions for semi-detached houses
Our North East England guide starts at £50,500 for this type.
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Two-storey extensions for detached houses
For homes in Spennymoor: typical guide from £77,500.
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Kitchen extensions with bedrooms above
For homes in Spennymoor: typical guide from £50,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Spennymoor: typical guide from £50,500 (plus en-suite).
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Spennymoor we also design annexes, home offices and bedrooms over garages.
Also available in County Durham
- 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 Spennymoor
Spennymoor 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 Spennymoor
Do you cover Spennymoor?
Yes. We cover Spennymoor (DL16) and the surrounding area, including Ferryhill and Brandon. The first site visit is free.
What does a two-storey extension cost in Spennymoor?
Using our North 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 £50,500–£68,000 including VAT. An extension over a garage is about £28,500–£41,500.
Which other places near Spennymoor do you cover?
Everywhere around it, including Ferryhill (2.3 miles), Brandon (3.6 miles) and Bishop Auckland (4.2 miles), and the rest of County Durham.