Two-storey extensions in Llanelli
Need more room in Llanelli? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Llanelli at a glance
- Postcode districts
- SA15
- Area
- Dyfed, Wales
- Price region
- Wales
- Nearest towns
- Burry Port (3.6 miles), Gorseinon (5.2 miles), Pontarddulais (5.7 miles), Tumble (7.4 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.
Around Llanelli we also work in Burry Port, Gorseinon and Pontarddulais, and across the rest of Dyfed. Postcode district in and near Llanelli: SA15.
Extensions available in Llanelli
Two-storey rear extensions
For homes in Llanelli: typical guide from £51,500.
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Two-storey side extensions
Llanelli guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
From £111,000 in Llanelli. Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Llanelli: typical guide from £66,000.
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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 Llanelli homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
Our Wales guide starts at £51,500 for this type.
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Two-storey extensions for detached houses
For homes in Llanelli: typical guide from £79,000.
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Kitchen extensions with bedrooms above
For homes in Llanelli: typical guide from £51,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Llanelli: typical guide from £51,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
Also available in Dyfed
- 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 Llanelli
Llanelli 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 Llanelli
Do you cover Llanelli?
Yes. We cover Llanelli (SA15) and the surrounding area, including Burry Port and Gorseinon. The first site visit is free.
What does a two-storey extension cost in Llanelli?
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 Llanelli do you cover?
Everywhere around it, including Burry Port (3.6 miles), Gorseinon (5.2 miles) and Pontarddulais (5.7 miles), and the rest of Dyfed.