In short: HMO sound insulation reduces noise passing between letting rooms, floors and neighbours. Across Vale of Glamorgan, 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
- Barry, Penarth, Llantwit Major
What does sound insulation in Vale of Glamorgan involve?
- Acoustic plasterboard
- Door seals and heavier door sets
- Sealing of service gaps
- Acoustic mineral wool
- Party wall upgrades
- Pre-completion testing coordination where required
Which rules apply in Vale of Glamorgan?
- Building regulations sound requirements can apply to conversions and new separating walls and floors.
- 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 does sound insulation cost in Vale of Glamorgan?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Acoustic upgrade to a party or partition wall | £900 – £2,000 | £850 – £1,900 | wall |
| Acoustic ceiling or floor upgrade, 12–15 m² | £800 – £2,700 | £750 – £2,550 | room |
Typical time on site: 2–6 working days per room. For a figure for your house, try the guide-price tool.
Sound insulation by town in Vale of Glamorgan
Questions about sound insulation in Vale of Glamorgan
Does fire stopping help with sound?
Yes. Sealing gaps around pipes and cables helps both.
Does an HMO need sound insulation by law?
Building regulations sound requirements apply to some conversions and new partitions. Outside those, sound insulation is about letting rooms well and keeping neighbours happy.
Do you carry out sound insulation across Vale of Glamorgan?
Yes, across the whole of Vale of Glamorgan, including Barry, Penarth, Llantwit Major.
Who licenses HMOs in Vale of Glamorgan?
Vale of Glamorgan council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Vale of Glamorgan
- Professional and co-living HMO refurbs in Vale of Glamorgan
- Large HMO conversions (7+ sharers) in Vale of Glamorgan
- Commercial and above-shop to HMO in Vale of Glamorgan
- Bedroom upgrades and room refits in Vale of Glamorgan
- Layout changes and room reconfiguration in Vale of Glamorgan
- Escape routes, emergency lighting and fire stopping in Vale of Glamorgan
- Fire doors in Vale of Glamorgan
- House to HMO conversion in Vale of Glamorgan