Building advice
Conversions guides for Northern Ireland
Everything we have written about conversions, priced and researched for Belfast and the rest of Northern Ireland.
Loft Conversion Costs in Northern Ireland - 2026 Price Guide
Loft conversions in Northern Ireland cost £25,500 to £63,750 in 2026. Here is what each type costs, what decides whether your roof converts, and the rules.
Garage Conversion Costs in Belfast 2026
A garage conversion in Belfast costs £7,500 to £18,000 in 2026. Here is the full breakdown, the three things that blow the budget, and the rules that apply.
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Know the number before you ring a builder
Reading is one thing. Put your own dimensions into a calculator, get a costed range with every line broken out, then ask three local builders to price the same specification.