- Nation
- Northern Ireland
- Pricing region
- Northern Ireland
- Postcode areas
- BT
- Main towns
- Londonderry County Borough, Derry, Coleraine
What does sound insulation in County Londonderry involve?
- Floor and ceiling upgrades with resilient bars or hangers
- Sealing of service gaps
- Acoustic plasterboard
- Acoustic stud walls between rooms
- Door seals and heavier door sets
- Pre-completion testing coordination where required
Which rules apply in County Londonderry?
- Building control requirements apply to new HMOs, including separating walls and floors where relevant.
- New HMOs need building control approval as well as planning permission.
In Northern Ireland, licensing is run centrally by the NI HMO Unit, and all new HMOs need planning permission and building control approval from the local council.
How much does sound insulation cost in County Londonderry?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Acoustic upgrade to a party or partition wall | £900 – £2,000 | £810 – £1,800 | wall |
| Acoustic ceiling or floor upgrade, 12–15 m² | £800 – £2,700 | £720 – £2,450 | 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 County Londonderry
Questions about sound insulation in County Londonderry
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 County Londonderry?
Yes, across the whole of County Londonderry, including Londonderry County Borough, Derry, Coleraine.
Who licenses HMOs in County Londonderry?
HMO licensing in County Londonderry, as everywhere in Northern Ireland, is run by the NI HMO Unit at Belfast City Council. Planning and building control are handled by the local council.
Other HMO services in County Londonderry
- Professional and co-living HMO refurbs in County Londonderry
- Large HMO conversions (7+ sharers) in County Londonderry
- Commercial and above-shop to HMO in County Londonderry
- Bedroom upgrades and room refits in County Londonderry
- Layout changes and room reconfiguration in County Londonderry
- Escape routes, emergency lighting and fire stopping in County Londonderry
- Ensuite installation in County Londonderry
- Fire doors in County Londonderry