Extensions with Flat Roofs

Modern Flat Roof House Extensions

Flat roof extensions are a stylish and practical way to add space to your home, especially for single-storey rear additions or modern designs. We specialize in building flat roof house extensions in Huddersfield, delivering a clean, contemporary look that complements your property. Flat roofs often allow for more flexible interior layouts (no sloping ceilings) and can be more budget-friendly than pitched roofs due to simpler construction. At The Building Maintenance Co, we ensure that your flat roof extension is built with top-quality materials and techniques so it stays warm, dry, and trouble-free. From installing proper insulation to using advanced waterproof membranes (like EPDM rubber) on the roof, we create flat roof extensions that are energy-efficient and fully protected against the elements. You can even opt to include skylights or a roof lantern in the design to bring in natural light, giving your new space an airy, bright feel.

Constructing a flat roof extension with us is a smooth, efficient process. We handle everything from the ground up: laying strong foundations, building the walls, and then crafting the flat roof structure. Our team installs robust ceiling joists and decking, then adds a high-performance waterproof membrane on top (such as EPDM rubber), ensuring rainwater stays out. We always build in a slight slope and fit proper gutters so water drains off the roof correctly, preventing any pooling. Insulation is carefully installed to meet building regulations and keep your extension cozy in winter and cool in summer. Inside, your new room will have a level ceiling that maximizes headroom and design possibilities. Throughout the project, we maintain clear communication and high workmanship standards. Homeowners in Huddersfield choose us for flat roof extensions because of our attention to detail and our commitment to delivering an extension that perfectly suits their needs and style.

Single-storey house extension with a modern flat roof design

Whether you need a small fix or a major renovation, we’re happy to help.
Call us at 07960 350439 or use our Contact Us page.

Why Choose The Building Maintenance Company?

Choosing a builder is a big decision. Here’s why our clients trust us with their homes.

40 years experience

Experienced

With 40 years’ experience in the trade, we bring expert know-how to every project. Our team is fully trained and works to high standards on all jobs.

meticulous craftsmanship

Quality Workmanship

We never cut corners. From quality materials to meticulous craftsmanship, we ensure the job is done right, and we tidy up afterwards!.

small local business

Family-Run & Friendly

As a small local business, we offer a personal touch. You’ll often deal directly with Kevin, our founder, who treats every home like his own.

We show up on time

Reliable & Trustworthy

We show up on time, keep you informed, and stick to our word. Many of our jobs come from repeat customers and referrals, which says a lot.

 free... no-obligation quotations

Free & Fair Quotes

We provide free, no-obligation quotations for all work, with no pushy sales tactics. Our prices are competitive and transparent, so you know exactly what to expect.

Flat Roof Extension FAQs

Q: Are flat roofs reliable?
A: Yes. Flat roofs built with modern systems like EPDM or GRP are durable and watertight. We design in proper falls and drainage to prevent standing water.
Q: Will a flat roof extension need planning permission?
A: Many single-storey flat roof extensions fall under permitted development if they meet size limits. We check this and submit applications when needed.
Q: Can I add a lantern or skylight?
A: Yes. Lanterns and skylights are popular for bringing in more light and we build them into the structure and roof system.
Q: How long does construction take?
A: A typical flat roof extension takes around 6 to 10 weeks, depending on size and complexity.
Q: Do flat roofs need special maintenance?
A: EPDM and GRP roofs need very little maintenance. Keep gutters clear and check for debris after storms.