In short: HMO electrical works keep the wiring in a shared house safe and certificated. Across Cardiff, the work is planned around Wales’s HMO rules and the standards the local council publishes.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- CF
- Main towns
- Cardiff, Whitchurch
What do rewires and EICR remedials in Cardiff involve?
- Electrical installation certificates
- Full or partial rewires
- Extra sockets and USB points in rooms
- Bathroom and kitchen circuits
- Emergency lighting circuits
- EICR remedial works with confirmation
Which rules apply in Cardiff?
- An electrical inspection and test at least every 5 years, with the report given to the contract-holder within 14 days.
- Landlords must register with Rent Smart Wales, and those who manage their own lets need a Rent Smart Wales licence.
- Councils such as Cardiff and Swansea run additional licensing for HMOs outside the mandatory scheme.
Cardiff Council: local HMO schemes
| Additional licensing | In force in part of the council area Cathays: 1 Feb 2023 to 1 Feb 2028. Plasnewydd had a scheme from 1 Jan 2021; check with Cardiff Council whether it has been renewed. |
|---|---|
| Selective licensing | No scheme found |
Schemes change. Check the council’s current pages for the exact address in Cardiff before you buy or start work. Source: Cardiff Council HMO licensing page, checked 2026-10-31.
How much do rewires and EICR remedials cost in Cardiff?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| EICR, 5+ bedroom house | £150 – £400 | £140 – £380 | inspection |
| Consumer unit upgrade with RCBOs and AFDDs | £700 – £1,400 | £660 – £1,300 | house |
| Full rewire, 4–5 bedroom house | £6,000 – £12,000 | £5,650 – £11,300 | house |
Typical time on site: 1–7 working days. For a figure for your house, try the guide-price tool.
Rewires and EICR remedials by town in Cardiff
Questions about rewires and EICR remedials in Cardiff
Is a full rewire disruptive?
Yes. It means lifting floorboards and chasing walls, so it is best done in an empty house or room by room during voids.
Do you issue certificates?
Yes: installation or minor works certificates and written confirmation of remedials, issued by the qualified electrician who did the work.
Do you carry out rewires and EICR remedials across Cardiff?
Yes, across the whole of Cardiff, including Cardiff, Whitchurch.
Who licenses HMOs in Cardiff?
Cardiff council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Cardiff
- Fire alarm and detection systems in Cardiff
- Licence condition and schedule-of-works in Cardiff
- Full HMO refurbishment in Cardiff
- House to HMO conversion in Cardiff
- Bedroom upgrades and room refits in Cardiff
- Escape routes, emergency lighting and fire stopping in Cardiff
- HMO fire safety upgrades in Cardiff
- Large HMO conversions (7+ sharers) in Cardiff