Two-storey extensions in Bargoed
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Bargoed.
Bargoed at a glance
- Postcode districts
- CF81 and NP24
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Blackwood (1.5 miles), Gelligaer (1.6 miles), Hengoed (2.2 miles), Nelson (Mid Glamorgan) (3 miles)
- Distance to Newport (Gwent)
- about 12 miles
- Approvals
- Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development.
We cover Bargoed (CF81 and NP24) and the places around it, including Blackwood (1.5 miles), Gelligaer (1.6 miles) and Hengoed.
Extensions available in Bargoed

Two-storey rear extensions
Design, approvals and build for Bargoed homes. Guide from £51,500.
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Two-storey side extensions
For homes in Bargoed: typical guide from £79,000.
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Two-storey wraparound extensions
Guide from £111,000 in Bargoed, including VAT.
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Part single, part two-storey extensions
Our Wales guide starts at £66,000 for this type.
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Extensions over a garage
Our Wales guide starts at £29,000 for this type.
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First-floor extensions
Design, approvals and build for Bargoed homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
From £51,500 in Bargoed. Free visit to firm it up.
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Two-storey extensions for detached houses
Guide from £79,000 in Bargoed, including VAT.
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Kitchen extensions with bedrooms above
Bargoed guide price from £51,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
From £51,500 (plus en-suite) in Bargoed. Free visit to firm it up.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Bargoed, with a rough idea of the approval route and cost for each.
Also available in Gwent
- 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 Bargoed
Bargoed is in Wales. Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development. Householder planning application: £585. Councils normally decide householder applications within 8 weeks.
The full Wales rules explained
Questions about extensions in Bargoed
Do you cover Bargoed?
Yes. We cover Bargoed (CF81 and NP24) and the surrounding area, including Blackwood and Gelligaer. The first site visit is free.
What does a two-storey extension cost in Bargoed?
Using our Wales 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 Bargoed do you cover?
Everywhere around it, including Blackwood (1.5 miles), Gelligaer (1.6 miles) and Hengoed (2.2 miles), and the rest of Gwent.