- Nation
- England
- Pricing region
- South West
- Postcode areas
- PL, TR, EX
- Main towns
- Redruth, Falmouth, St Austell, Truro, Camborne
What do EPC and energy upgrades in Cornwall involve?
- A post-works EPC through your assessor
- Loft and roof insulation
- Review of the EPC recommendations
- Heating, hot water and smart controls
- LED lighting
- Double or secondary glazing
Which rules apply in Cornwall?
- 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.
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 EPC and energy upgrades cost in Cornwall?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Loft insulation, whole house | £650 – £1,250 | £680 – £1,300 | house |
| Internal wall insulation | £60 – £100 | £60 – £100 | m² of wall |
Typical time on site: 2–15 working days. For a figure for your house, try the guide-price tool.
EPC and energy upgrades by town in Cornwall
Questions about EPC and energy upgrades in Cornwall
Which upgrade gives the best EPC improvement?
It depends on the house. Loft insulation and heating controls are often the cheapest gains; wall insulation and heating systems make larger differences.
Are there grants?
Some schemes support landlords. Eligibility changes, so check the current government and energy company schemes for your nation.
Do you carry out EPC and energy upgrades across Cornwall?
Yes, across the whole of Cornwall, including Redruth, Falmouth, St Austell.
Who licenses HMOs in Cornwall?
HMOs in Cornwall 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 Cornwall
- Damp, mould and HHSRS repairs in Cornwall
- Full HMO refurbishment in Cornwall
- Commercial and above-shop to HMO in Cornwall
- Rewires and EICR remedials in Cornwall
- Professional and co-living HMO refurbs in Cornwall
- Loft conversions for extra rooms in Cornwall
- Licence condition and schedule-of-works in Cornwall
- HMO fire safety upgrades in Cornwall