An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Landlords in Gorseinon (SA4) usually come to us with a council letter, a fire risk assessment or a house they have just bought. We price from whichever you have.
- Area
- Swansea, Wales
- Postcodes
- SA4
- Location
- 5 miles north-west of Swansea
- Pricing region
- Wales
What do extensions for extra rooms in Gorseinon involve?
- Foundations, structure and roof
- Heating, insulation and glazing
- Building control completion
- Ensuite drainage and extraction
- Party wall coordination where needed
Which rules apply in Gorseinon?
Here is what usually applies to a Gorseinon job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 3–6 sharers is use class C4, and in Wales changing a house to C4 always needs planning permission; only C4 back to C3 is permitted development.
- Building regulations cover structural work, partitions, drainage, fire-resisting construction and electrics; confirm with building control whether the conversion is a material change of use.
- Council HMO standards and the fire risk assessment set detection, fire doors and escape routes.
- Kitchen and bathroom ratios are set in each council’s HMO standards.
How much do extensions for extra rooms cost in Gorseinon?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £32,900 – £56,400 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,700 – £3,750 | m² |
These are typical ranges including VAT, adjusted for Wales, where costs run below the UK average. The fixed price for a house in Gorseinon follows a site visit.
How long does it take?
Allow 8–14 weeks on site for a typical job. Drawings, approvals and long-lead items such as kitchens or fire door sets are booked before we start.
When do Gorseinon landlords need it?
We usually get the call when:
- Adding a ground-floor room
- Moving to more sharers with consent
Questions about extensions for extra rooms in Gorseinon
Can I extend an HMO under permitted development?
Some extensions to houses are permitted development, but rules differ for HMOs and by nation and council. We check the address before design.
How far do you travel from Gorseinon?
We cover the whole of Swansea and work UK-wide. For Gorseinon the nearest towns on our list are Llanelli (5 miles), Swansea (5 miles), Clydach (6 miles).
Where do I check the HMO rules for an address in Gorseinon?
With the local council for the address. Welsh councils set their own HMO standards and may run additional licensing. In Wales, changing a house to a C4 HMO always needs planning permission, so check planning first.
How much do extensions for extra rooms cost in Gorseinon?
Our guide ranges for Wales are in the table on this page, and the guide-price tool gives a figure for your house. A fixed written quote follows a free site visit.
Extensions for extra rooms near Gorseinon
- Llanelli · 5 mi
- Swansea · 5 mi
- Clydach · 6 mi
- Ammanford · 9 mi
- Briton Ferry · 10 mi
- Neath · 10 mi
- All of Swansea
Other HMO services in Gorseinon
- Loft conversions for extra rooms in Gorseinon
- Communal kitchen refits in Gorseinon
- Layout changes and room reconfiguration in Gorseinon
- Large HMO conversions (7+ sharers) in Gorseinon
- Ensuite installation in Gorseinon
- House to HMO conversion in Gorseinon
- Commercial and above-shop to HMO in Gorseinon
- Fire alarm and detection systems in Gorseinon