Damp and mould in an HMO is usually caused by condensation, leaks or rising or penetrating damp, and often by a mix. Landlords in Isleworth (TW3 and TW7) 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
- Greater London, England
- Postcodes
- TW3 and TW7
- Location
- 10 miles west of London
- Pricing region
- London
What do damp, mould and HHSRS repairs in Isleworth involve?
- Extraction and continuous ventilation
- Leak, gutter and roof repairs
- Photo report of before and after
- Re-plastering and making good
- Damp-proofing where it is the cause
Which rules apply in Isleworth?
Here is what usually applies to a Isleworth job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- Councils assess hazards, including damp, mould and fire, under the HHSRS; revised regulations and guidance applied from 23 June 2026.
- Rented homes must currently meet at least EPC E, with a £3,500 spending cap. The government plans EPC C by October 2030, subject to legislation.
- Councils can fine up to £7,000 where a Category 1 hazard is not removed when it reasonably could have been.
How much do damp, mould and HHSRS repairs cost in Isleworth?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Damp repair, from a single wall to a whole house | £600 – £4,000 | £770 – £5,100 | job |
| Mould treatment and making good | £250 – £500 | £320 – £640 | room |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Isleworth can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Typical time on site: 2–10 working days. We agree the programme with you before starting and send photo updates as the work progresses.
When do Isleworth landlords need it?
We usually get the call when:
- An HHSRS finding or council letter
- Recurring mould in bathrooms and bedrooms
Questions about damp, mould and HHSRS repairs in Isleworth
How quickly should damp be dealt with?
As soon as possible, and quickly where health is at risk. New rules on hazard timescales are coming into the private rented sector; our compliance pages explain what is confirmed.
Which postcodes in Isleworth do you work in?
All of them, including TW3 and TW7, and the surrounding parts of Greater London.
Where do I check the HMO rules for an address in Isleworth?
With the local council for the address. 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 damp, mould and HHSRS repairs cost in Isleworth?
Our guide ranges for London 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.
Damp, mould and HHSRS repairs near Isleworth
- Hounslow · 1 mi
- Heston · 2 mi
- Richmond · 2 mi
- Southall · 3 mi
- Hanworth · 3 mi
- Feltham · 4 mi
- All of Greater London
Other HMO services in Isleworth
- Shared bathroom and shower room refits in Isleworth
- EPC and energy upgrades in Isleworth
- Full HMO refurbishment in Isleworth
- Void and between-tenancy refurbs in Isleworth
- Licence condition and schedule-of-works in Isleworth
- Communal kitchen refits in Isleworth
- Fire alarm and detection systems in Isleworth
- Ensuite installation in Isleworth