- Nation
- England
- Pricing region
- East of England
- Postcode areas
- CB, PE, SG
- Main towns
- Peterborough, Cambridge, Wisbech, Saint Neots, Huntingdon
What do large HMO conversions (7+ sharers) in Cambridgeshire involve?
- Emergency lighting where the escape route needs it
- Fire alarm and detection system sized for the building
- Feasibility review and measured survey
- Planning and building control drawings, coordinated with your designer
- Ensuites or extra bathrooms
- Second kitchen or extra kitchen capacity
Which rules apply in Cambridgeshire?
- Licences last up to 5 years and carry conditions on gas and electrical safety, alarms, room sizes and waste.
- 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.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
Councils in England can add additional licensing and Article 4 directions on top of the national rules. Check the council’s website for the exact address before you buy or start work.
How much do large HMO conversions (7+ sharers) cost in Cambridgeshire?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Conversion works per letting room (walls, linings, electrics, decoration; excludes kitchens, bathrooms and fire systems; our estimate) | £3,500 – £6,500 | £3,700 – £6,900 | letting room |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £1,850 – £4,750 | house |
| Protected route upgrades: fire-resisting linings, fire stopping, lighting (three-storey house, our estimate) | £2,000 – £6,000 | £2,100 – £6,350 | house |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £4,250 – £10,600 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £8,500 – £19,100 | kitchen |
Typical time on site: 10–20 weeks. For a figure for your house, try the guide-price tool.
Large HMO conversions (7+ sharers) by town in Cambridgeshire
Questions about large HMO conversions (7+ sharers) in Cambridgeshire
Do you handle building control?
Yes. The building work in a large HMO conversion (partitions, fire separation, drainage, electrics) needs to meet the building regulations, and the conversion can also count as a material change of use. We confirm the route with building control, coordinate inspections and give you the completion paperwork.
Can you work with my architect?
Yes. We often build from an architect’s drawings, or we can recommend a designer to prepare them.
Do you carry out large HMO conversions (7+ sharers) across Cambridgeshire?
Yes, across the whole of Cambridgeshire, including Peterborough, Cambridge, Wisbech.
Who licenses HMOs in Cambridgeshire?
HMOs in Cambridgeshire are licensed by the local council for the address. Where an area has several councils, each runs its own licensing and planning policies.
Other HMO services in Cambridgeshire
- House to HMO conversion in Cambridgeshire
- Escape routes, emergency lighting and fire stopping in Cambridgeshire
- Fire alarm and detection systems in Cambridgeshire
- Sound insulation in Cambridgeshire
- Loft conversions for extra rooms in Cambridgeshire
- Extensions for extra rooms in Cambridgeshire
- Student HMO refurbishment in Cambridgeshire
- Commercial and above-shop to HMO in Cambridgeshire