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Builders in Antrim

Find verified, insured builders in Antrim. Every tradesperson on TradesHero is vetted — government ID checked, tax clearance confirmed, and public liability insurance verified (min. €2.6m). Post your job free and get quotes from professionals who actually show up.

Antrim wraps around the northern and eastern edge of Belfast, from the commuter towns of Lisburn and Carrickfergus to the Glens and the Causeway coast. Housing ranges from dense city terraces to exposed coastal properties that take a battering from Atlantic weather.

Local demand: Coastal wind and rain keep roofers, guttering specialists and external painters busy, while Belfast's older terraced stock drives steady demand for rewires, replumbs and damp work.

Be the first Builder in Antrim

There are no listed builders in Antrim yet. Create your free profile today and be the first trade homeowners in Antrim find.

What Antrim homeowners hire builders for

General builders manage and carry out larger construction projects — extensions, full renovations, attic and garage conversions, and structural alterations. A good main contractor coordinates all the other trades (groundwork, blockwork, roofing, electrics, plumbing, plastering) and keeps the job on programme and on budget. For anything structural, you'll also need engineer and, often, planning input.

What to check before hiring a builder in Antrim

Credentials that matter
  • CIRI (Construction Industry Register Ireland)The statutory register of competent builders — a strong signal of a professional contractor.
  • Safe Pass & site managementStandard Irish site-safety and management training.
  • Public liability insuranceLarger projects carry more risk — every Hero Verified builder holds min. €2.6m cover.
How to hire well
  • Use a written contract with a staged payment schedule tied to milestones — never pay large sums upfront.
  • Check CIRI registration and ask for references and addresses of recent jobs you can see.
  • For extensions, confirm who's handling planning, engineer's certs and building regs compliance.

Builder prices in Antrim — 2026 guide

Indicative 2026 ranges. Finish level, site conditions, structural work and location move costs significantly. Always use a detailed, staged contract.

Typical JobIndicative Cost
Single-storey extension (per m²)€2,500–€3,800
Attic conversion€25,000–€60,000
Full house renovation€90,000–€250,000+
Garage conversion€15,000–€30,000

Builders across Antrim

Verified builders on TradesHero cover Antrim including Lisburn, Ballymena, Antrim, Carrickfergus and Larne. Post your job free and available trades near you will be in touch.

Frequently Asked Questions

How much does a builder cost in Antrim?+
Costs vary by job size and complexity. TradesHero lets you post your job for free and receive quotes from verified builders in Antrim, so you can compare prices before committing.
How do I find a reliable builder in Antrim?+
Every tradesperson on TradesHero goes through a four-point verification check: government ID, tax clearance, public liability insurance (min. €2.6m), and trade registration where applicable. Post your job free and only hear from verified, insured professionals.
Are TradesHero builders in Antrim insured?+
Yes. All Hero Verified tradespeople on TradesHero hold valid public liability insurance of at least €2.6 million and have their tax clearance confirmed with Irish Revenue. We verify this before the badge is awarded.
How quickly can I get a builder in Antrim?+
Post your job and tradespeople in Antrim can view and quote within hours. Many jobs receive their first contact the same day. Response time depends on availability in your area and the nature of the work.
Is it free to post a job on TradesHero?+
Yes — posting a job on TradesHero is completely free for homeowners and businesses. You describe your job, we match it with verified builders in Antrim, and they contact you directly.
Do I need planning permission for an extension in Antrim?+
Many rear extensions under 40m² are exempt from planning in the Republic, but conditions apply (height, boundaries, previous extensions) and rules differ for protected structures. Always confirm with Antrim's local authority or your architect before starting. A good builder will flag what's needed.
How do I avoid being let down by a builder in Antrim?+
Use a written contract with staged payments, check CIRI registration and insurance, ask to visit a recent completed job, and never pay a large deposit upfront. On TradesHero, Hero Verified builders in Antrim have their ID, tax clearance and insurance checked before they earn the badge.
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