Builders in Belfast

One local building firm, with business details checked against public records. Call it directly or visit its website.

1 builder based in Belfast

Listings are information only. We don't recommend, endorse or guarantee any business. Check them yourself before you hire.

Are you a builder in Belfast? Add your business.

Builders across Belfast

Builders work across Belfast and the BT postcode area.

Areas of Belfast

  • Malone
  • Stranmillis
  • Ballyhackamore
  • Lisburn Road
  • Cavehill
  • Castlereagh

Builders near Belfast

What builders in Belfast can help with

Wherever you are in Belfast, from Malone to Ballyhackamore, these are the jobs people ask about most.

House extensions

Single and double storey extensions, kitchen extensions and side returns, from foundations to finish.

Loft conversions

Velux, dormer and hip-to-gable loft conversions to add a bedroom or office.

Renovations and refurbishments

Whole-house renovations, kitchen and bathroom refits, and bringing older properties up to date.

Knocking through walls

Load-bearing walls removed and replaced with steel beams, signed off by building control.

Brickwork and repointing

Garden walls, chimney stacks and repointing of crumbling mortar.

Porches, garages and outbuildings

New porches, garage conversions and outbuildings built to regulations.

How much does a builder cost in Belfast?

Prices in Belfast are usually around the middle of our UK guide ranges, or a little below.

Builder day rate

£180-£300

Per builder per day. Labourers cost less.

Single storey extension

£2,000-£3,000

Per square metre, as a rough guide.

Loft conversion

£35,000-£60,000

Typical dormer. Velux conversions cost less.

Remove a load-bearing wall

£2,500-£6,000

Including steel beam and building control.

Guide prices only. Your price depends on the job, access and materials.

How to find a builder in Belfast

  1. Describe the job

    Write down what needs doing, with photos if you can, so every quote covers the same work.

  2. Get three quotes

    Contact at least three local builders and ask for a written, itemised quote.

  3. Check before you hire

    Compare prices, check insurance and registrations, and ask to see recent work.

Before you hire a builder in Belfast

A bad builder is the most expensive mistake on this page. These checks are worth the time.

  • In Northern Ireland, your local council handles both planning permission and building control.
  • Building work must meet the Building Regulations (Northern Ireland), with inspections by council building control.
  • The Party Wall Act does not apply in Northern Ireland, so agree any work on a shared wall with your neighbour in writing.
  • Get a written contract with a staged payment schedule. Never pay the full cost up front.
  • Ask to see recent jobs and speak to previous customers.

Builder FAQs for Belfast

How much does a builder cost in Belfast?

Prices in Belfast are usually around the middle of our UK guide ranges, or a little below. Your price depends on the job, access and materials, so compare a few quotes from builders in Belfast.

Can I get a builder anywhere in Belfast?

Yes. Builders work across Belfast and the BT postcode area, including Malone, Stranmillis, Ballyhackamore, Lisburn Road, Cavehill and Castlereagh. There are also pages for builders in nearby Lisburn.

Do I need planning permission for an extension?

Some small extensions are permitted development, but limits apply. Your local council handles planning and building control in Northern Ireland, so check with them first.

How long does a single storey extension take?

Typically 8 to 14 weeks on site once work starts, depending on size, weather and how quickly you choose finishes. Planning and design can add several months beforehand.

How many quotes should I get?

At least three. Make sure each builder is pricing the same drawings and specification, otherwise the quotes are not comparable.

Should I pay a builder a deposit?

A modest deposit for materials is normal on larger jobs. After that, pay in stages as work is completed and never pay for work that has not been done.