An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. For a house in Bangor (Gwynedd) we start with a measured survey, check the council’s written HMO standards for the number of sharers, and then price each item separately. Bangor (Gwynedd) has a university population, so many shared houses are let to students on yearly tenancies, and summer is the main window for works.
- Area
- Gwynedd, Wales
- Postcodes
- LL57 and LL59
- Location
- 49 miles west of Wrexham
- Pricing region
- Wales
What do extensions for extra rooms in Bangor (Gwynedd) involve?
- Planning route check and drawings
- Heating, insulation and glazing
- Ensuite drainage and extraction
- Building control completion
- Fire separation and detection extended to the new space
Which rules apply in Bangor (Gwynedd)?
Here is what usually applies to a Bangor (Gwynedd) job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 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.
- Fitness for human habitation rules require mains-powered, interlinked smoke alarms on every storey and CO alarms where there is a gas, oil or solid-fuel appliance.
- Kitchen and bathroom ratios are set in each council’s HMO standards.
How much do extensions for extra rooms cost in Bangor (Gwynedd)?
| 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 |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Bangor (Gwynedd) can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Most jobs of this kind take 8–14 weeks. If a council deadline applies in Bangor (Gwynedd), tell us at the first call so the programme is built around it.
For student houses in Bangor (Gwynedd), booking by spring is the safest way to make the summer gap.
When do Bangor (Gwynedd) landlords need it?
Typical reasons for this work in Bangor (Gwynedd):
- A kitchen too small for the number of sharers
- Adding a ground-floor room
Questions about extensions for extra rooms in Bangor (Gwynedd)
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.
Do you cover all of Bangor (Gwynedd)?
Yes. We work across Bangor (Gwynedd) and the LL57 and LL59 postcode areas, plus the rest of Gwynedd. Nearby places we also cover include Llandudno, Colwyn Bay, Rhyl.
Does a shared house in Bangor (Gwynedd) need an HMO licence?
In Wales, mandatory licensing covers HMOs of 3 or more storeys with 5 or more people. Many councils, including Cardiff and Swansea, also run additional licensing for smaller HMOs. Every landlord must register with Rent Smart Wales.
How much do extensions for extra rooms cost in Bangor (Gwynedd)?
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 Bangor (Gwynedd)
- Llandudno · 14 mi
- Colwyn Bay · 17 mi
- Rhyl · 27 mi
- Prestatyn · 31 mi
- Flint · 41 mi
- Heswall · 43 mi
- All of Gwynedd
Other HMO services in Bangor (Gwynedd)
- Loft conversions for extra rooms in Bangor (Gwynedd)
- Communal kitchen refits in Bangor (Gwynedd)
- Layout changes and room reconfiguration in Bangor (Gwynedd)
- Large HMO conversions (7+ sharers) in Bangor (Gwynedd)
- Ensuite installation in Bangor (Gwynedd)
- House to HMO conversion in Bangor (Gwynedd)
- Rewires and EICR remedials in Bangor (Gwynedd)
- Licence condition and schedule-of-works in Bangor (Gwynedd)