Trusted Flat Roofing Specialists in Princes Risborough

Flat Roofing in Princes Risborough

Professional flat roof installation, replacement and repairs for homes, garages and extensions across Princes Risborough and the surrounding HP27 area.

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Our Flat Roofing Services in Princes Risborough

We handle everything from small flat roof repairs to full replacements, using modern materials designed to last in local weather conditions.

Flat Roof Installation

We install new flat roofs for extensions, garages, porches and outbuildings, using proven systems that offer long-term protection and clean finishes. Every installation is planned properly, not rushed, so drainage, insulation and detailing are done right from day one.
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Flat Roof Replacement

If your existing flat roof has reached the end of its life, we provide full strip-out and replacement services. We remove old coverings, inspect the structure underneath, and install a new flat roofing system that solves the original issues rather than covering them up.
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Flat Roof Repairs

From persistent leaks to damaged edges or worn membranes, we carry out targeted flat roof repairs across Princes Risborough. We focus on fixing the root cause so you are not calling someone back after the next spell of rain.
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Flat Roof Inspections

Our flat roof inspections are designed to catch problems early. We check joints, outlets, coverings and weak points, then explain clearly what needs attention now and what can wait.
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Emergency Flat Roof Repairs

If your flat roof starts leaking suddenly, we offer fast response emergency repairs in Princes Risborough. The aim is to stop water ingress quickly and prevent further damage inside your property.
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About Our Flat Roofing Services

We provide flat roofing services built around honest advice, proper workmanship and materials that are suited to real-world conditions. Many properties in Princes Risborough have flat roofs on extensions and garages, and we understand the common issues they face, from pooling water to ageing felt systems.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roofing Systems We Install

We offer a range of flat roofing systems, each chosen based on durability, maintenance needs and the type of property they are being installed on.

EPDM Rubber Roofing

EPDM rubber roofing is a popular choice for flat roofs thanks to its flexibility and resistance to cracking. It performs well in changing temperatures and provides a clean, low-maintenance finish that lasts for years.

GRP Fibreglass Roofing

GRP fibreglass roofing creates a seamless, watertight surface that is ideal for garages and extensions. It offers excellent durability and is well suited to properties where a long service life is a priority.

Torch-On Felt Roofing

Torch-on felt remains a reliable and cost-effective flat roofing option. Modern felt systems are far more durable than older versions and work well for both repairs and full replacements.

Liquid Roofing Systems

Liquid roofing systems are ideal for complex flat roofs with awkward detailing. The coating forms a fully bonded waterproof layer, making it a strong option for refurbishing existing flat roofs.

Why Homeowners in Princes Risborough Choose Us?

Homeowners choose us because we explain the work clearly, turn up when we say we will, and carry out flat roofing work to a standard that lasts. We do not oversell replacements when a repair will do, and we do not rush installations just to move on to the next job.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Trusted Roofing Services Across the
South East

Highly rated by local customers for reliable workmanship and straightforward service.

Removal of Chimney stack, replacement of roof underlay, guttering and flat roof repair. - Mitchell from Alliance Roofing & Building was the only builder, of many that I had contacted, that climbed a ladder to inspect my flat-roof and to climb into my loft-space to inspect the main roof from the inside. After an extensive review of my property and discussing my options, he emailed me his quotation on the same day. Booking in dates for Alliance & Roofing to commence work was quick and effortless. They arrived on time, completed the work as planned to a professional standard. Provided Photos of work carried out at all stages. I highly recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL3

New roof on my bungalow - I recently had the pleasure of working with Alliance Roofing and Building to install a new roof on my bungalow, and I couldn't be more satisfied with the results. From start to finish, the entire process was smooth and professional. Mitchell, who led the project, was exceptional. His expertise and dedication were evident from the moment he arrived. He and his team were not only highly skilled but also incredibly helpful and courteous throughout the entire job. They took the time to answer all my questions

Checkatrade Verified reviewer - Job location: SL3

New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.

Checkatrade Verified reviewer - Job location: SL9

Guttering repair - Mitchell came to repair my guttering, he was on time, polite, efficient and conscientious. He kept me informed at each stage of the work that was needed.

Checkatrade Verified reviewer - Job location: SL4

Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL6

Replacement of flat roof - Mitchell and his team are smart, communicative, skilled, friendly, helpful, trustworthy and reliable. I would highly recommend their roofing services.

Checkatrade Verified reviewer - Job location: HP4

Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys

Checkatrade Verified reviewer - Job location: SL6

Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.

Checkatrade Verified reviewer - Job location: SL6

Roof verge repair. - Mitchell was polite, friendly and knowledgeable. The team were polite and efficient. The work was completed for the price quoted, which was competitive, and in the timeframe advised.

Checkatrade Verified reviewer - Job location: HP13

repair of box gutter behind parapet wall - Mitchell undertook a detailed diagnosis of the work required, started the job quite quickly and completed it satisfactorily.

Checkatrade Verified reviewer - Job location: HP16

Leak in the roof- Very polite and professional. Job was completed professionally at a very good price. Would highly recommend

Checkatrade Verified reviewer - Job location: SL6

New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.

Checkatrade Verified reviewer - Job location: SL9

Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL6

Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys

Checkatrade Verified reviewer - Job location: SL6

Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.

Checkatrade Verified reviewer - Job location: SL6
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Our Process
Inspection and advice

We inspect the roof covering, edges and drainage points, then give clear advice on whether a repair or replacement is the right option for your roof.

Clear quote and scheduling

You receive a clear written quote with the work explained properly, along with a realistic timeframe and agreed start date.

Installation, repair, and final checks

All work is completed carefully, with final checks on seals, drainage and finishes before we leave site.

[FAQ]

Frequently Asked Questions

How long does a flat roof usually last?
Are flat roofs more prone to leaks?
Can you repair a flat roof without replacing it?
Do you offer emergency flat roof repairs?
Do flat roofs need much maintenance?
Which flat roof system is best?
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