House Renovations
Belfast
Transform, Modernise & Add Value to Your Home Across Northern Ireland
House Renovations by DPMNI
Looking to update a tired property, reconfigure your layout, or breathe new life into your family home? At Diamond Property Maintenance (DPMNI), we specialise in professional, high-quality house renovations in Belfast and surrounding areas.
From modern open-plan layouts and full refurbishments to structural alterations and property upgrades, our team delivers reliable, tailored renovation services that maximise your home’s potential.
Whether you’re renovating a new purchase, upgrading a rental property, or refreshing the space you’ve lived in for years, we handle the job from start to flawless finish.
Trusted by Homeowners, Landlords & Businesses
Why Renovate Your Home?
A house renovation can completely change the way you live — unlocking more space, modern functionality, and long-term property value. Renovation projects can:
Improve layout, flow, and usable space
Modernise outdated interiors and finishes
Increase your property’s market value
Make your home more energy efficient
Tailor your space to suit your family and lifestyle
Combine multiple upgrades into one streamlined project
We offer whole-home renovations, room-by-room updates, and everything in between.
Our House Renovation Process
Initial Consultation & Site Visit
We discuss your ideas, assess the property, and offer expert recommendations on layout, scope, and costs.
Design & Planning
We work from your architect’s plans or help you design a layout that suits your needs — including Building Control and planning where required.
Project Management & Build
We coordinate all trades (building, plumbing, electrics, plastering, flooring, roofing) for a streamlined, well-managed renovation process.
Finishing Touches
Painting, flooring, and final fixes are completed to a high standard — with attention to detail and a clean handover.
Popular Renovation Types
Frequently Asked Questions
It depends on the scope. Basic room updates may start from £3,000, while full-home renovations can range from £20,000–£60,000+. We offer free quotes and clear breakdowns.
For most internal renovations, planning permission is not required. If structural changes or extensions are involved, we help you navigate the process.
Yes — we can work in stages to minimise disruption if you’re living in the property. We’ll communicate clearly and keep areas clean and safe.
Small renovations may take 1–3 weeks, while full-house projects typically run 8–12+ weeks depending on scale.
We provide a full-service solution — all trades and services are handled in-house, including electrics, plumbing, joinery, roofing, and finishing
Six Reasons For People Choosing Us
Experienced Team
Our time-served tradesmen are PASMA and IPAF-trained professionals, ensuring safe and efficient service.
Comprehensive Insurance
We carry £10 million public liability insurance and specialized SSR insurance for your peace of mind.
Eco-Friendly Cleaning
We use child-safe, animal-safe, and plant-safe cleaning solutions to protect your environment.
Proven Track Record
With over 1,400 satisfied customers, we’re trusted by homeowners and businesses alike.
Tailored Solutions
Every job is unique, which is why we provide a free consultation and custom plans based on your needs.
Local Expertise
We understand the unique challenges in North Down and Antrim, tailoring our services to meet the specific needs of your area.
Ready to upgrade, expand, or transform your property?
Book a House Renovation Consultation Today
Whether it’s one room or an entire home, DPMNI’s expert renovation team delivers beautiful, practical results that truly transform your space.
Other Exterior Cleaning Services We Offer
We provide reliable, efficient, and environmentally conscious cleaning for residential, commercial, and agricultural clients.
HouseExtensions
Add extra space, value, and function to your home with a professionally built extension. Ideal for growing families or creating open-plan layouts.
LoftConversions
Transform your unused attic into a functional, stylish living area — whether it’s a new bedroom, office, or playroom.
HouseRenovations
From reconfigurations to full refurbishments, we modernise homes with high-quality renovation services designed around your lifestyle and budget.
KitchenFitters
Upgrade your kitchen with bespoke fitting and installation. We handle everything from unit fitting to flooring, tiling, and finishing touches.
BathroomFitters
Create a functional, elegant bathroom with our expert team. We install baths, showers, sinks, toilets, and full wet room setups.
RoofRepairs
From storm damage and minor leaks to structural issues, we offer fast, reliable roof repairs for homes and commercial properties.
RoofReplacement
We carry out full roof replacements using modern, durable materials — protecting your property and enhancing its appearance.
Gutter, PVC& Fascia Fitting
Upgrade or replace damaged exterior components with our expert PVC, fascia, and gutter fitting — protecting your roofline and improving drainage.
Fencing& Repairs
Secure your property and add privacy with custom fencing solutions — from wooden boundary fencing to decorative garden panels.
Landscaping& Hardscaping
Transform your outdoor space with our tailored landscaping services, including paving, turfing, decking, garden design, and more.
IndustrialFacility Repairs
Keep your site compliant and running smoothly with responsive, cost-effective industrial maintenance and repair services.