HMO energy upgrades improve the energy performance certificate (EPC) rating and cut running costs: loft and wall insulation, heating and controls, glazing, ventilation and lighting. In New Malden, a town of about 24,000 people in Greater London, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Greater London, England
- Postcodes
- KT3, KT4 and SW20
- Location
- 9 miles south-west of London
- Pricing region
- London
What do EPC and energy upgrades in New Malden involve?
- Ventilation to control condensation
- A post-works EPC through your assessor
- Heating, hot water and smart controls
- Review of the EPC recommendations
- Double or secondary glazing
Which rules apply in New Malden?
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 New Malden before we price.
- 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 assess hazards, including damp, mould and fire, under the HHSRS; revised regulations and guidance applied from 23 June 2026.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
- Councils can fine up to £7,000 where a Category 1 hazard is not removed when it reasonably could have been.
How much do EPC and energy upgrades cost in New Malden?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Loft insulation, whole house | £650 – £1,250 | £830 – £1,600 | house |
| Internal wall insulation | £60 – £100 | £80 – £130 | m² of wall |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in New Malden can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Typical time on site: 2–15 working days. We agree the programme with you before starting and send photo updates as the work progresses.
When do New Malden landlords need it?
Typical reasons for this work in New Malden:
- Planning ahead for higher standards
- An EPC below the required minimum
Questions about EPC and energy upgrades in New Malden
Will insulation cause condensation?
Not if it is designed with ventilation and vapour control. We always pair insulation with suitable ventilation.
Which postcodes in New Malden do you work in?
All of them, including KT3, KT4 and SW20, and the surrounding parts of Greater London.
Does a shared house in New Malden 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 EPC and energy upgrades cost in New Malden?
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.
EPC and energy upgrades near New Malden
- Surbiton · 2 mi
- Morden · 3 mi
- Wimbledon · 3 mi
- Ewell · 4 mi
- Mitcham · 4 mi
- Sutton · 4 mi
- All of Greater London
Other HMO services in New Malden
- Damp, mould and HHSRS repairs in New Malden
- Full HMO refurbishment in New Malden
- Commercial and above-shop to HMO in New Malden
- Rewires and EICR remedials in New Malden
- Professional and co-living HMO refurbs in New Malden
- Loft conversions for extra rooms in New Malden
- Layout changes and room reconfiguration in New Malden
- Void and between-tenancy refurbs in New Malden