Building Services
Northern Ireland
Covering, Belfast, Derry, Newry and all surrounding areas
Request Free Quote
Quote Request Form

Professional Building Services by DPMNI Ltd
At DPMNI Ltd, we deliver expert building services across Northern Ireland, offering high-quality construction and renovation solutions for homeowners, landlords, and commercial clients. Whether you’re planning a full extension, internal renovation, or structural repair, our skilled team provides tailored building works with precision, efficiency, and care.
15+
Years In Business
1.5k
Happy Customers
3.6k
Projects Completed
28+
Trained Staff
Our Services
Our Building Services Include

Home Extensions
From kitchen extensions to double-storey builds, we expand your living space with precision and planning.

Renovations & Refurbishments
Transform tired spaces into functional, modern environments. We handle everything from minor updates to full home makeovers.

Structural Alterations
Need internal walls removed or rooms reconfigured? We provide safe and certified structural work for layout changes.

Commercial & Industrial Building Work
We handle fit-outs, structural repairs, and warehouse modifications for businesses and industrial facilities.

General Bricklaying & Masonry
Chimneys, steps, retaining walls, garden walls and more — built with strength and style.

Loft Conversions
Unlock the hidden potential of your attic with expertly designed and fully compliant loft conversions.
Our Process
1️⃣ Free Consultation – Tell us what you need and we’ll advise on the best approach.
2️⃣ Site Visit & Quote – We assess the work, timeline, and provide a clear quote.
3️⃣ Project Planning – Our team schedules materials, trades, and tasks.
4️⃣ Work Begins – We carry out building works professionally and cleanly.
5️⃣ Final Sign-Off – You inspect the results, and we only leave once you’re happy.
Why Choose Us
Why Choose Our Building Services?
Fully Project Managed
From design to completion, we handle every stage.
Experienced Builders
Local professionals with years of trade experience.
Certified & Insured
PASMA, IPAF trained with £10M public liability cover.
Attention to Detail
Clean lines, strong finishes, and lasting results.
Domestic & Commercial
We work on homes, offices, shops, warehouses, and more.
Serving All of Northern Ireland
Including Belfast, Newry, Derry/Londonderry & surrounding areas.
Frequently Asked Questions
Yes – we work with private homeowners, landlords, and business owners across Northern Ireland.
Absolutely. We can guide you through the planning process and ensure all work meets current building regulations.
Most single-storey extensions take 8–12 weeks, but we’ll give you a clear timeline based on your project.
Yes – we can work with your plans or connect you with local architects to provide a complete service.
We work across Northern Ireland including Belfast, Lisburn, Newry, Derry/Londonderry, Armagh, and beyond

Local Experts Serving Northern Ireland
We proudly serve clients across Northern Ireland. No matter your location, DPMNI Ltd is your trusted partner for high-quality, reliable building works:
Belfast
Bangor
Newtownards
Lisburn
Ballymena
Carrickfergus
Derry/Londonderry
Newry
Armagh
Coleraine
No matter where you are, our team is ready to provide top-notch property maintenance services tailored to your location’s specific needs.
Book Your Building Project with Confidence
Whether you're planning a new build, extension, or internal renovation, trust DPMNI Ltd to deliver exceptional workmanship with minimal disruption.
Our Location
Belfast
Enhance your property’s exterior aesthetic with DPMNI Ltd – Northern Ireland’s trusted name in facilities management.
Townsend Enterprise Park, Townsend St, Belfast BT13 2ES
Phone: 02895606799
Email: Info@dpmni.co.uk