A small HMO is a shared house for three to six unrelated people. Landlords in Harpenden (AL3 and AL5) 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
- Hertfordshire, England
- Postcodes
- AL3 and AL5
- Location
- 23 miles north-west of London
- Pricing region
- East of England
What do small HMO conversions (3–6 sharers) in Harpenden involve?
- Kitchen enlarged or refitted for the number of sharers
- Locks, door closers and thumb-turn locks on the exit route
- Room-by-room size check before any work starts
- Interlinked smoke and heat detection
- Fire doors to rooms off the escape route
Which rules apply in Harpenden?
Small HMO conversions (3–6 sharers) in Harpenden must satisfy national law for England, the council’s written HMO standards and, where walls, drainage or fire separation change, the building rules. In short:
- Mandatory HMO licence for 5 or more people in 2 or more households (since October 2018); councils can add additional licensing for smaller HMOs.
- 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.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
How much do small HMO conversions (3–6 sharers) cost in Harpenden?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Typical 3–4 bed house to a 5–6 bed HMO, all-in | £30,000 – £75,000 | £31,800 – £79,500 | project |
| 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 |
| Shared bathroom refit | £5,500 – £9,000 | £5,850 – £9,550 | bathroom |
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £850 – £2,100 | house |
| FD30S fire door leaf into an existing frame, with seals, closer and hinges, fitted | £300 – £600 | £320 – £640 | door |
These are typical ranges including VAT, adjusted for East of England, where costs run above the UK average. The fixed price for a house in Harpenden follows a site visit.
How long does it take?
Typical time on site: 4–10 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Harpenden landlords need it?
Landlords in Harpenden most often ask us for this when:
- A three or four-bedroom house you want to let to sharers
- An existing small HMO needs bringing up to date
Questions about small HMO conversions (3–6 sharers) in Harpenden
How many bathrooms does a small HMO need?
National rules in England say amenities must be adequate for the number of sharers, and councils set the numbers: often a bathroom plus a separate WC at five people and a second bathroom from six. We work to the figure your council publishes.
Do you cover all of Harpenden?
Yes. We work across Harpenden and the AL3 and AL5 postcode areas, plus the rest of Hertfordshire. Nearby places we also cover include St Albans, Luton, Hemel Hempstead.
Does a shared house in Harpenden need an HMO licence?
In England, a mandatory licence is needed for 5 or more people from 2 or more households. Smaller HMOs can need a licence where the council runs additional licensing, which is common in towns with many shared houses. Check the council’s website for the address.
How much do small HMO conversions (3–6 sharers) cost in Harpenden?
Our guide ranges for East of England 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.
Small HMO conversions (3–6 sharers) near Harpenden
- St Albans · 5 mi
- Luton · 5 mi
- Hemel Hempstead · 6 mi
- Welwyn Garden City · 7 mi
- Hatfield · 7 mi
- Dunstable · 9 mi
- All of Hertfordshire