- Nation
- Northern Ireland
- Pricing region
- Northern Ireland
- Postcode areas
- BT
- Main towns
- Bangor (County Down), Banbridge, Holywood
What does sound insulation in County Down involve?
- Door seals and heavier door sets
- Pre-completion testing coordination where required
- Party wall upgrades
- Floor and ceiling upgrades with resilient bars or hangers
- Acoustic mineral wool
- Acoustic plasterboard
Which rules apply in County Down?
- 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 Down?
| 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 Down
Questions about sound insulation in County Down
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.
Can you soundproof a floor without lifting it?
Often from below, by dropping an independent ceiling with acoustic insulation. It does lower the ceiling slightly.
Do you carry out sound insulation across County Down?
Yes, across the whole of County Down, including Bangor (County Down), Banbridge, Holywood.
Who licenses HMOs in County Down?
HMO licensing in County Down, 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 Down
- Professional and co-living HMO refurbs in County Down
- Large HMO conversions (7+ sharers) in County Down
- Commercial and above-shop to HMO in County Down
- Bedroom upgrades and room refits in County Down
- Layout changes and room reconfiguration in County Down
- Escape routes, emergency lighting and fire stopping in County Down
- HMO fire safety upgrades in County Down
- House to HMO conversion in County Down