Two-storey extensions in Monmouth
Need more room in Monmouth? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Monmouth at a glance
- Postcode districts
- NP25
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Chepstow (12 miles), Abergavenny (13 miles), Caldicot (15.7 miles), Blaenavon (16.1 miles)
- Distance to Newport (Gwent)
- about 19.8 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.
Monmouth sits about 19.8 miles from Newport (Gwent). Closer to home, Chepstow is 12.0 miles away and Abergavenny 13.0 miles.
Extensions available in Monmouth
Two-storey rear extensions
Guide from £51,500 in Monmouth, including VAT.
Learn more
Two-storey side extensions
Monmouth guide price from £79,000, Standard spec.
Learn more
Two-storey wraparound extensions
For homes in Monmouth: typical guide from £111,000.
Learn more
Part single, part two-storey extensions
Design, approvals and build for Monmouth homes. Guide from £66,000.
Learn more
Extensions over a garage
Monmouth guide price from £29,000, Standard spec.
Learn more
First-floor extensions
Design, approvals and build for Monmouth homes. Guide from £23,000.
Learn more
Two-storey extensions for semi-detached houses
From £51,500 in Monmouth. Free visit to firm it up.
Learn more
Two-storey extensions for detached houses
Our Wales guide starts at £79,000 for this type.
Learn more
Kitchen extensions with bedrooms above
From £51,500 (before kitchen units) in Monmouth. Free visit to firm it up.
Learn more
Extra bedroom and en-suite extensions
Our Wales guide starts at £51,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Gwent, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Monmouth
Monmouth 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 Monmouth
Do you cover Monmouth?
Yes. We cover Monmouth (NP25) and the surrounding area, including Chepstow and Abergavenny. The first site visit is free.
What does a two-storey extension cost in Monmouth?
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 Monmouth do you cover?
Everywhere around it, including Chepstow (12 miles), Abergavenny (13 miles) and Caldicot (15.7 miles), and the rest of Gwent.