An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. Bath is 12 miles south-east of Bristol. We price loft conversions for extra rooms there against England’s HMO rules and the council’s written HMO standards, so work is planned to the standard an inspection looks for. With students as well as working sharers renting in Bath, we plan bigger jobs for the gap between academic-year tenancies where we can.
- Area
- Somerset, England
- Postcodes
- BA1
- Location
- 12 miles south-east of Bristol
- Council
- Bath and North East Somerset Council
- Pricing region
- South West
What do loft conversions for extra rooms in Bath involve?
- New stair within the protected route
- Planning or permitted development check
- Dormer or roof windows
- Feasibility and head-height check
- Fire doors and extended alarm system
Which rules apply in Bath?
The rules below are the England-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Bath before we price.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
- Smoke alarms on every storey with living accommodation and CO alarms by fixed combustion appliances (other than gas cookers) are required by law.
- Licensed HMOs must meet national minimum bedroom sizes: 6.51 m² for one person aged 10 or over, 10.22 m² for two, and 4.64 m² for a child under 10.
Bath and North East Somerset Council: local HMO schemes
| Article 4 (HMO) | In force in part of the council area Article 4 Direction (C3 to C4) covers the whole City of Bath (not the wider district), in effect 1 Jul 2013. |
|---|---|
| Additional licensing | No scheme found |
| Selective licensing | No scheme found |
Schemes change. Check the council’s current pages for the exact address in Bath before you buy or start work. Source: Bath and North East Somerset Council HMO licensing page, checked 2026-10-31.
How much do loft conversions for extra rooms cost in Bath?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Dormer loft conversion, about 30 m² | £40,000 – £60,000 | £41,600 – £62,400 | project |
| Rooflight loft conversion, about 30 m² | £22,500 – £30,000 | £23,400 – £31,200 | project |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Bath 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 6–10 weeks. If a council deadline applies in Bath, tell us at the first call so the programme is built around it.
For student houses in Bath, booking by spring is the safest way to make the summer gap.
When do Bath landlords need it?
Landlords in Bath most often ask us for this when:
- Adding rooms to make an HMO work financially
- A house with usable roof space
Questions about loft conversions for extra rooms in Bath
Will the loft room count for licensing?
Only the floor area with at least 1.5 metres of headroom counts towards the room size in England.
Which postcodes in Bath do you work in?
All of them, including BA1, and the surrounding parts of Somerset.
Which council covers HMOs in Bath?
Bath is covered by Bath and North East Somerset Council. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much do loft conversions for extra rooms cost in Bath?
Our guide ranges for South West 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.
Loft conversions for extra rooms near Bath
- Trowbridge · 8 mi
- Kingswood · 8 mi
- Mangotsfield · 10 mi
- Frome · 10 mi
- Bristol · 12 mi
- Yate · 12 mi
- All of Somerset
Other HMO services in Bath
- Extensions for extra rooms in Bath
- Large HMO conversions (7+ sharers) in Bath
- Escape routes, emergency lighting and fire stopping in Bath
- Ensuite installation in Bath
- Layout changes and room reconfiguration in Bath
- Fire alarm and detection systems in Bath
- House to HMO conversion in Bath
- Damp, mould and HHSRS repairs in Bath