Two-storey extensions in Rhymney
We design, get approval for and build two-storey extensions in Rhymney and the surrounding area. Choose the type of extension below or book a free site visit.
Rhymney at a glance
- Postcode districts
- NP22
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Tredegar (1.9 miles), Ebbw Vale (3.5 miles), Merthyr Tydfil (4 miles), Abercanaid (4.3 miles)
- Distance to Newport (Gwent)
- about 17.1 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.
Rhymney sits about 17.1 miles from Newport (Gwent). Closer to home, Tredegar is 1.9 miles away and Ebbw Vale 3.5 miles.
Extensions available in Rhymney

Two-storey rear extensions
Guide from £51,500 in Rhymney, including VAT.
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Two-storey side extensions
Guide from £79,000 in Rhymney, including VAT.
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Two-storey wraparound extensions
Our Wales guide starts at £111,000 for this type.
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Part single, part two-storey extensions
Guide from £66,000 in Rhymney, including VAT.
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Extensions over a garage
Rhymney guide price from £29,000, Standard spec.
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First-floor extensions
For homes in Rhymney: typical guide from £23,000.
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Two-storey extensions for semi-detached houses
Guide from £51,500 in Rhymney, including VAT.
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Two-storey extensions for detached houses
From £79,000 in Rhymney. Free visit to firm it up.
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Kitchen extensions with bedrooms above
For homes in Rhymney: typical guide from £51,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £51,500 (plus en-suite) in Rhymney. Free visit to firm it up.
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 Rhymney we measure distances to every boundary before suggesting a type.
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 Rhymney
Rhymney 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 Rhymney
Do you cover Rhymney?
Yes. We cover Rhymney (NP22) and the surrounding area, including Tredegar and Ebbw Vale. The first site visit is free.
What does a two-storey extension cost in Rhymney?
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 Rhymney do you cover?
Everywhere around it, including Tredegar (1.9 miles), Ebbw Vale (3.5 miles) and Merthyr Tydfil (4 miles), and the rest of Gwent.