Trusted Flat Roofers in Beaconsfield

Flat Roofing Beaconsfield

Need a flat roof installed, repaired, or replaced in Beaconsfield? We handle garages, extensions, porches and dormers with tidy work, clear quotes, and systems built to stay watertight.

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Our Flat Roof Services in Beaconsfield

From new installations to urgent leak repairs, we cover the full range of flat roofing work across Beaconsfield, with straightforward advice and reliable workmanship.

Flat Roof Installation in Beaconsfield

We install new flat roofs for garages, porches, dormers, extensions and outbuildings across Beaconsfield, using systems that suit your property and budget. You get proper falls for drainage, clean edging, and careful detailing around skylights, upstands and gutters so the roof performs properly from day one.
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Flat Roof Replacement in Beaconsfield

If your flat roof is beyond repair, replacement is usually cheaper than chasing leaks every time it rains. We strip back failed coverings, inspect the deck and timber, replace anything compromised, then fit the new system with neat trims and watertight finishes. You’ll get a clear plan, a written quote, and a roof designed to last.
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Flat Roof Repairs in Beaconsfield

Not every issue needs a full replacement. We carry out targeted flat roof repairs for common problems like tears, splits, failed seams, cracks, loose flashing, and leaks around edges and rooflights. We focus on fixing the cause, not hiding it, so you’re not paying twice for the same problem.
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Flat Roof Inspections in Beaconsfield

A proper flat roof inspection can save you money, especially before buying, selling, or starting renovation work. We check for trapped moisture, weak points, poor drainage, failing joins, and movement in the deck, then explain what we’ve found in plain English, including what’s urgent and what can wait.
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Emergency Flat Roof Repairs in Beaconsfield

If water is coming in, speed matters. We prioritise making the roof safe and watertight first, then return to complete the correct permanent repair once conditions allow. If you’ve got an active leak in Beaconsfield, call and we’ll advise what to do straight away to limit internal damage.
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About Our Flat Roofing in Beaconsfield

We work across Beaconsfield on garages, extensions, dormers, bays and small commercial flat roofs. You’ll get clear communication, a written quote, and a team that respects your property, keeps the site tidy, and finishes the details properly so the roof holds up long term.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roofing Systems We Install in Beaconsfield

Different flat roof systems suit different buildings, so we help you choose based on lifespan, budget, appearance, and how the roof is used.

EPDM Rubber Roofing in Beaconsfield

EPDM is a popular option for flat roofs in Beaconsfield because it stays flexible through temperature changes and resists cracking over time. It’s a strong choice for garages and extensions where you want a clean finish with low maintenance. Installed properly with the right trims and drainage, it’s a reliable long-term solution.

GRP Fibreglass Roofing in Beaconsfield

GRP creates a tough, seamless finish that suits many residential flat roofs, especially where occasional foot traffic is needed for access or maintenance. It looks neat, holds up well, and works best when edges, outlets and detailing are finished properly, which is where most failures usually happen.

Torch-On Felt Roofing in Beaconsfield

Torch-on felt is still a solid choice when installed as a modern multi-layer system. It offers dependable waterproofing and good value, making it popular for garages, sheds and extensions in Beaconsfield. Done properly, it’s a practical option that performs well without the price tag of premium systems.

Liquid Roofing Systems in Beaconsfield

Liquid systems are ideal when a roof has awkward corners, lots of upstands, or tricky joins where sheets and seams become weak points. The coating forms a continuous waterproof layer, helping reduce leak risk around details. It can also work well for certain refurb jobs, depending on the condition of the existing roof.

Why Beaconsfield Homeowners Choose Us for Flat Roofing?

Flat roofs fail when they’re rushed, badly detailed, or poorly drained, so we do the basics properly every time. You get honest advice, clear pricing, tidy work, and roofing systems fitted with the details that actually stop leaks, not shortcuts that look fine for a few months.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Trusted Roofing Services Across the
South East

Real feedback from local Beaconsfield customers who’ve had flat roof work completed by our team.

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
REVIEWS
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Our Process
Inspection and advice

Real feedback from local Beaconsfield customers who’ve had flat roof work completed by our team.

Clear quote and scheduling

You’ll get a written quote with a clear scope of work, plus a sensible timeline that we stick to.

Installation, repair, and final checks

We carry out the work carefully, then check the details, drainage, and finishes so the roof is watertight before we leave.

[FAQ]

Frequently Asked Questions

How long does a flat roof last?
Do I need a full replacement or can you repair it?
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What areas do you cover around Beaconsfield?
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