QUALITY BUILDING SERVICES THAT STAND THE TEST OF TIME.

Trusted builders in Belfast for renovations, extensions, and property transformations.

Completed Projects

Years Experience

For over 20 years, One 4 All has delivered reliable, high-quality building work across Belfast — from small renovations to full-scale home extensions. No mess, no excuses — just honest, professional craftsmanship that lasts.

When it comes to your home, you deserve more than a contractor — you deserve a builder who treats every project like it’s their own.


At One 4 All, we combine experience, precision, and integrity to make sure every wall, roof, and room stands the test of time.

Our approach is simple: clear communication, guaranteed workmanship, and respect for your home from start to finish. That’s why homeowners across Belfast keep coming back — and why most of our work comes from word of mouth.

  • 20+ years’ experience in building & property renovation

  • Fully insured, guaranteed work

  • On-time, on-budget, and always professional

  • Trusted by Belfast homeowners for extensions, renovations & more

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Brickwork & Repointing
Brickwork & Repointing

From fresh builds to restoration, our brickwork and repointing deliver a clean, strong, and weather-resistant finish that stands the test of time.

Home Extensions
Home Extensions

Add value and space with precision-built extensions that blend seamlessly with your existing home. Quality materials, expert structure, and lasting results.

Loft Conversion
Loft Conversion

Transform your unused loft into a bright, functional living space. Designed for comfort, completed with craftsmanship you can trust.

Property Reovatons
Property Reovatons

Whether full or partial, our renovation work brings new life to your property — with attention to detail and results built to last.

Patios & Outdoor Spaces
Patios & Outdoor Spaces

Beautiful, durable patios and outdoor builds that elevate your garden. Crafted for everyday use and long-term appeal.

General Maintenance
General Maintenance

Reliable upkeep and repairs to keep your home in top condition. Fast, efficient, and done right the first time.

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1. Free Consultation

We assess your property and give an honest, no-obligation quote.

2. Transparent Pricing

No hidden extras — just straightforward costs from the start.

3. Quality Craftsmanship

Every project is handled by experienced tradesmen, never rushed.

4. Guaranteed Work

We stand over our work long after the tools are packed up.

Why Choose One 4 All Roofing & Building

  • ✔ Over 20 years of trusted local experience
  • ✔ Fully insured, certified, and safety-conscious
  • ✔ We treat every home like our own
  • ✔ Clean, tidy, and respectful team
  • ✔ 5-star feedback across Northern Ireland

Ready to Start Your Project?

From lofts and extensions to patios and full renovations — we’ll handle it all with professionalism and pride in every detail.

Get Your Free Quote