Refurbishment costs in Northern Ireland
Building costs in Northern Ireland run about 10% below the UK average — a regional factor of ×0.90 on national benchmark rates. The figures below apply that factor to common jobs; use the live calculator to price your own project for the region.
How regional refurbishment costs work
- 1Start from national benchmarks
Standard jobs (a rewire, a kitchen, an extension) have typical UK-wide cost ranges.
- 2Apply the regional factor
Northern Ireland sits at ×0.90 versus the national baseline — mostly driven by local labour rates.
- 3Adjust for your property
Condition, spec and access move the number further. Always confirm with local contractor quotes before committing.
Northern Ireland has the lowest cost base in the UK, with affordable stock and improving demand around Belfast. Regulations differ from Great Britain, and material logistics can add cost, so price both into a refurbishment plan.
Major areas in Northern Ireland include Belfast, Londonderry, Lisburn, Newry and Bangor. Costs vary within the region too — city-centre access and rural travel both add to trade time — so treat these as a regional starting point, not a substitute for local quotes.
Typical refurbishment costs in Northern Ireland
| Job | Indicative cost (Northern Ireland) |
|---|---|
| Full house rewire (3-bed) | £3,510 – £5,220 |
| New combi boiler (fitted) | £1,620 – £2,700 |
| New kitchen (mid, fitted) | £5,850 – £11,700 |
| New bathroom (fitted) | £4,050 – £6,300 |
| Re-roof (semi, ~70 m²) | £5,400 – £9,900 |
| Single-storey extension (20 m²) | £32,400 – £54,000 |
| Loft conversion (dormer) | £27,000 – £49,500 |
| Replaster a house (skim, ~300 m²) | £4,050 – £7,200 |
National benchmark rates × 0.90 regional factor. Indicative — confirm with local quotes.
Frequently asked questions
How much does it cost to refurbish a house in Northern Ireland?+
A medium refurbishment in Northern Ireland typically runs around £630–£945 per m² (so roughly £56,700–£85,050 for a 90 m² house), reflecting the region's ×0.90 cost factor. A light refresh costs less; a back-to-brick refurbishment more.
Why do refurbishment costs differ in Northern Ireland?+
Most of the regional variation is labour rates, which Northern Ireland carries about 10% below the UK average. Materials are broadly national, but access, logistics and the local mix of trades also matter.
Are these Northern Ireland costs quotes?+
No — they're indicative benchmarks adjusted by a regional factor, to help you scope and sanity-check. Always obtain local contractor quotes before you commit or submit figures to a lender.
Related tools & guides
Want to know how these figures are calculated? See our cost methodology.
Cost figures shown are indicative estimates, not quotations. You are responsible for verifying all costs (obtain contractor quotes) and any figures submitted to a lender. ScopeWise is a documentation tool, not financial, tax, structural or planning advice. HMO compliance prompts are guidance only — confirm requirements with your local council, as standards and licensing vary by authority.