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England · South East

EPC and energy upgrades across East Sussex

Insulation, heating, controls and glazing works to raise the EPC and cut running costs. Covering all of East Sussex, with a free site visit and fixed written quote.

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Insulated plasterboard being fitted to an external wall beside a new sash window and radiator
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. We carry this out across East Sussex, priced against the HMO rules for England and the council’s own standards.
Nation
England
Pricing region
South East
Postcode areas
TN, BN, RH
Main towns
Brighton, Eastbourne, Hastings, Hove, Bexhill-on-Sea

What do EPC and energy upgrades in East Sussex involve?

  • Double or secondary glazing
  • A post-works EPC through your assessor
  • Review of the EPC recommendations
  • Heating, hot water and smart controls
  • Internal or external wall insulation
  • LED lighting

Which rules apply in East Sussex?

  • 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.
  • Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
  • Councils can fine up to £7,000 where a Category 1 hazard is not removed when it reasonably could have been.
  • A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.

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 East Sussex?

Regional adjustment for South East. Planning budgets: see our prices page.
ItemUK typicalLocal guidePer
Loft insulation, whole house£650 – £1,250£730 – £1,400house
Internal wall insulation£60 – £100£70 – £110m² 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 East Sussex

Questions about EPC and energy upgrades in East Sussex

What EPC does a rented HMO need?

In England and Wales most lets must currently reach at least EPC E, and the government plans EPC C in England by 2030, subject to legislation. How an HMO is let can affect how the EPC rules apply, so check the current guidance for your property.

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.

Do you carry out EPC and energy upgrades across East Sussex?

Yes, across the whole of East Sussex, including Brighton, Eastbourne, Hastings.

Who licenses HMOs in East Sussex?

HMOs in East Sussex 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 East Sussex

Planning HMO works?

Free site visit, then a fixed written quote itemised against your council’s standards.

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