An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. For a house in Lisburn we start with a measured survey, check the NI HMO standards and licence conditions for the number of sharers, and then price each item separately.
- Area
- County Antrim, Northern Ireland
- Postcodes
- BT27 and BT28
- Location
- 7 miles south-west of Belfast
- Pricing region
- Northern Ireland
What do loft conversions for extra rooms in Lisburn involve?
- Building control sign-off
- Dormer or roof windows
- Structural design and steelwork
- Fire doors and extended alarm system
- Feasibility and head-height check
Which rules apply in Lisburn?
The rules below are the Northern Ireland-wide position for this kind of work. The NI HMO Unit’s standards and licence conditions apply on top, so we always check the address in Lisburn before we price.
- All new HMOs need planning permission; councils such as Belfast apply HMO policy areas and limits on concentration.
- New HMOs need building control approval as well as planning permission.
- Doors on protected routes are typically FD30 or FD30S, self-closing on three hinges; emergency lighting is required in HMOs of 4 or more storeys.
- Space and amenity standards come from the HMO (Living Accommodation Standard) Regulations (NI) 2019 and the licence conditions.
How much do loft conversions for extra rooms cost in Lisburn?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Dormer loft conversion, about 30 m² | £40,000 – £60,000 | £36,000 – £54,000 | project |
| Rooflight loft conversion, about 30 m² | £22,500 – £30,000 | £20,250 – £27,000 | project |
Prices in Lisburn are shown with our regional adjustment for Northern Ireland (below the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Most jobs of this kind take 6–10 weeks. If a council deadline applies in Lisburn, tell us at the first call so the programme is built around it.
When do Lisburn landlords need it?
Landlords in Lisburn most often ask us for this when:
- Adding rooms to make an HMO work financially
- Moving to a larger HMO with the right consents
Questions about loft conversions for extra rooms in Lisburn
Does a loft room need a fire escape window?
In an HMO the main protection is usually a protected stair and fire doors. The building regulations and fire strategy decide the detail.
How far do you travel from Lisburn?
We cover the whole of County Antrim and work UK-wide. For Lisburn the nearest towns on our list are Belfast (7 miles), Castlereagh (7 miles), Dundonald (11 miles).
Does a shared house in Lisburn need an HMO licence?
Yes, if 3 or more people forming more than two households live there as their main home and pay rent. Licensing for every council in Northern Ireland is run by the NI HMO Unit at Belfast City Council.
How much do loft conversions for extra rooms cost in Lisburn?
Our guide ranges for Northern Ireland 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.
Loft conversions for extra rooms near Lisburn
- Belfast · 7 mi
- Castlereagh · 7 mi
- Dundonald · 11 mi
- Newtownabbey · 11 mi
- Holywood · 12 mi
- Newtownards · 15 mi
- All of County Antrim
Other HMO services in Lisburn
- Extensions for extra rooms in Lisburn
- Large HMO conversions (7+ sharers) in Lisburn
- Escape routes, emergency lighting and fire stopping in Lisburn
- Ensuite installation in Lisburn
- Layout changes and room reconfiguration in Lisburn
- Fire alarm and detection systems in Lisburn
- Commercial and above-shop to HMO in Lisburn
- Professional and co-living HMO refurbs in Lisburn