In short: 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 Isle of Anglesey we survey first, price each item separately and hand over the certificates and photos a council asks for.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- LL
What do EPC and energy upgrades in Isle of Anglesey involve?
- LED lighting
- Double or secondary glazing
- A post-works EPC through your assessor
- Review of the EPC recommendations
- Heating, hot water and smart controls
- Loft and roof insulation
Which rules apply in Isle of Anglesey?
- Rented homes must meet at least EPC E. Whether the planned EPC C standard will apply in Wales has not yet been confirmed.
- Councils assess hazards, including damp and mould, under the HHSRS, alongside the fitness for human habitation rules for occupation contracts.
- Building regulations cover structural work, partitions, drainage, fire-resisting construction and electrics; confirm with building control whether the conversion is a material change of use.
Welsh councils set their own HMO standards and may run additional licensing. In Wales, changing a house to a C4 HMO always needs planning permission, so check planning first.
How much do EPC and energy upgrades cost in Isle of Anglesey?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Loft insulation, whole house | £650 – £1,250 | £610 – £1,200 | house |
| Internal wall insulation | £60 – £100 | £60 – £90 | m² of wall |
Typical time on site: 2–15 working days. For a figure for your house, try the guide-price tool.
Questions about EPC and energy upgrades in Isle of Anglesey
Are there grants?
Some schemes support landlords. Eligibility changes, so check the current government and energy company schemes for your nation.
Will insulation cause condensation?
Not if it is designed with ventilation and vapour control. We always pair insulation with suitable ventilation.
Do you carry out EPC and energy upgrades across Isle of Anglesey?
Yes, across the whole of Isle of Anglesey.
Who licenses HMOs in Isle of Anglesey?
Isle of Anglesey council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Isle of Anglesey
- Damp, mould and HHSRS repairs in Isle of Anglesey
- Full HMO refurbishment in Isle of Anglesey
- Commercial and above-shop to HMO in Isle of Anglesey
- Rewires and EICR remedials in Isle of Anglesey
- Professional and co-living HMO refurbs in Isle of Anglesey
- Loft conversions for extra rooms in Isle of Anglesey
- Small HMO conversions (3–6 sharers) in Isle of Anglesey
- Shared bathroom and shower room refits in Isle of Anglesey