Loft Conversions
Northern Ireland
Covering, Belfast, Derry, Newry and all surrounding areas
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Maximise Your Space with a Loft Conversion by DPMNI Ltd
At DPMNI Ltd, we turn underused attic spaces into stunning new bedrooms, offices, or living areas with professional loft conversions across Northern Ireland. Whether you want to create an extra room or increase your property’s value, we design and build lofts that are functional, modern, and fully compliant with building regulations.
15+
Years In Business
1.5k
Happy Customers
3.6k
Projects Completed
28+
Trained Staff
Our Services
Our Loft Conversion Services Include
Bedroom & Ensuite Conversions
Create a luxurious new bedroom, guest suite or master with an ensuite, using the full potential of your loft space.
Home Office & Study Spaces
Convert your attic into a quiet, private workspace that’s ideal for remote working and productivity.
Loft Playrooms or Hobby Rooms
Add usable family space with a dedicated play area, craft room, or reading nook.
Dormer Loft Conversions
Add head height and floor space with a dormer roof extension — ideal for large rooms and modern layouts.
Velux / Rooflight Conversions
Cost-effective loft conversion using Velux windows — perfect for storage or smaller rooms.
Hip-to-Gable Conversions
Extend a sloping side roof into a vertical gable to make the most of your loft’s footprint.
Why Convert Your Loft?
Gain a spare bedroom or ensuite
Avoid the cost of moving to a bigger home
Create an office, gym, or relaxation space
Improve your home’s layout and storage
Add resale value and increase natural light
Why Choose Us
Why Choose DPMNI Ltd for Loft Conversions?
Full Design & Build Service
From architectural plans to structural works and finishing touches.
Building Control Compliant
We ensure all conversions meet safety, fire, and insulation standards.
Tailored to Your Space
Every loft is different — we customise the layout to suit your roof shape and needs.
All Trades Included
Joinery, plastering, electrics, plumbing, flooring, and decoration.
Increase Property Value
Add functional square footage and boost resale appeal.
Local Team Across Northern Ireland
Serving Belfast, Newry, Derry/Londonderry, and more.
Frequently Asked Questions
Most lofts can be converted. We’ll check head height, structure, and access during your free survey.
In many cases, no — lofts often fall under permitted development, but we can guide you through any requirements
Typically 4–8 weeks, depending on the type and scale of the conversion.
Absolutely. A well-built loft conversion can add 15–20% to your home’s value.
Yes — we handle all trades, including heating, lighting, sockets, and ensuite installation if required.
Loft Conversions Across Northern Ireland
We provide full loft conversion services in:
Belfast
Bangor
Newtownards
Lisburn
Ballymena
Carrickfergus
Derry/Londonderry
Newry
Armagh
Coleraine
Wherever you are, DPMNI Ltd can help you unlock the potential of your roof space.
Book Your Loft Conversion with DPMNI Ltd
Create the extra space your home needs without moving. Trust our experienced team to deliver a loft you’ll love.
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