An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Haverfordwest is 46 miles west of Swansea. We price extensions for extra rooms there against Wales’s HMO rules and the council’s written HMO standards, so work is planned to the standard an inspection looks for.
- Area
- Pembrokeshire, Wales
- Postcodes
- SA61
- Location
- 46 miles west of Swansea
- Pricing region
- Wales
What do extensions for extra rooms in Haverfordwest involve?
- Building control completion
- Foundations, structure and roof
- Planning route check and drawings
- Ensuite drainage and extraction
- Heating, insulation and glazing
Which rules apply in Haverfordwest?
The rules below are the Wales-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Haverfordwest before we price.
- More than 6 sharers is a sui generis HMO and needs planning permission; councils such as Cardiff apply concentration limits.
- 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 Haverfordwest?
| 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 |
Prices in Haverfordwest are shown with our regional adjustment for Wales (below the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
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 Haverfordwest landlords need it?
We usually get the call when:
- A kitchen too small for the number of sharers
- Adding a ground-floor room
Questions about extensions for extra rooms in Haverfordwest
Do you handle building control?
Yes, from application to completion certificate.
Do you cover all of Haverfordwest?
Yes. We work across Haverfordwest and the SA61 postcode areas, plus the rest of Pembrokeshire. Nearby places we also cover include Milford Haven, Carmarthen, Llanelli.
Where do I check the HMO rules for an address in Haverfordwest?
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 Haverfordwest?
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 Haverfordwest
- Milford Haven · 7 mi
- Carmarthen · 29 mi
- Llanelli · 36 mi
- Gorseinon · 41 mi
- Ammanford · 42 mi
- Swansea · 46 mi
- All of Pembrokeshire
Other HMO services in Haverfordwest
- Loft conversions for extra rooms in Haverfordwest
- Communal kitchen refits in Haverfordwest
- Layout changes and room reconfiguration in Haverfordwest
- Large HMO conversions (7+ sharers) in Haverfordwest
- Ensuite installation in Haverfordwest
- House to HMO conversion in Haverfordwest
- Shared bathroom and shower room refits in Haverfordwest
- Commercial and above-shop to HMO in Haverfordwest