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 Treharris, a town of about 12,000 people in Merthyr Tydfil, the work is planned around the HMO rules for Wales and the council’s written HMO standards.
- Area
- Merthyr Tydfil, Wales
- Postcodes
- CF45 and CF46
- Location
- 14 miles north-west of Cardiff
- Pricing region
- Wales
What do EPC and energy upgrades in Treharris involve?
- Internal or external wall insulation
- Ventilation to control condensation
- Double or secondary glazing
- Heating, hot water and smart controls
- Loft and roof insulation
Which rules apply in Treharris?
Here is what usually applies to a Treharris job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 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.
How much do EPC and energy upgrades cost in Treharris?
| 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 |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Treharris can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 2–15 working days on site for a typical job. Drawings, approvals and long-lead items such as kitchens or fire door sets are booked before we start.
When do Treharris landlords need it?
Typical reasons for this work in Treharris:
- High bills in an all-inclusive rent
- Planning ahead for higher standards
Questions about EPC and energy upgrades in Treharris
Will insulation cause condensation?
Not if it is designed with ventilation and vapour control. We always pair insulation with suitable ventilation.
How far do you travel from Treharris?
We cover the whole of Merthyr Tydfil and work UK-wide. For Treharris the nearest towns on our list are Nelson (Caerphilly) (1 miles), Gelligaer (2 miles), Bargoed (3 miles).
Does a shared house in Treharris need an HMO licence?
In Wales, mandatory licensing covers HMOs of 3 or more storeys with 5 or more people. Many councils, including Cardiff and Swansea, also run additional licensing for smaller HMOs. Every landlord must register with Rent Smart Wales.
How much do EPC and energy upgrades cost in Treharris?
Our guide ranges for Wales 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 Treharris
- Nelson (Caerphilly) · 1 mi
- Gelligaer · 2 mi
- Bargoed · 3 mi
- Blackwood · 4 mi
- Pontypridd · 5 mi
- Rhondda · 6 mi
- All of Merthyr Tydfil
Other HMO services in Treharris
- Damp, mould and HHSRS repairs in Treharris
- Full HMO refurbishment in Treharris
- Commercial and above-shop to HMO in Treharris
- Rewires and EICR remedials in Treharris
- Professional and co-living HMO refurbs in Treharris
- Loft conversions for extra rooms in Treharris
- Extensions for extra rooms in Treharris
- Void and between-tenancy refurbs in Treharris