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Flat Roofing in West London

M.K & Sons Roofing Ltd provides flat roofing across West London, installing, replacing and repairing flat roofs on rear extensions, garages, dormers, bay roofs, balconies and commercial units. We work in EPDM rubber, GRP fibreglass and torch-on felt. We survey the roof first and give you a written quote before any work starts.

Quality Products

At M.K & Sons Roofing Ltd, we use only premium roofing materials to deliver durable, long-lasting, and weather-resistant roofs. From tiles and slates to flat roofing systems and roofline products, our commitment to quality, reliability, and excellence ensures every project is built to stand the test of time.

Trained Workers

Also, our team of skilled and fully trained roofers delivers professional, reliable, and high-quality roofing services every time. With expertise in pitched, flat, and slate roofing, as well as roof repairs and roofline services, we set the standard for superior workmanship across West London.

Quick Response

In addition, we provide fast, reliable, and efficient roofing solutions across West London. Whether it’s a leak, emergency roof repair, or urgent maintenance, our expert team responds quickly to ensure your property stays protected and secure.

Flat roofing in West London by M.K & Sons
OUR SERVICE

Durable flat roofing in West London

At M.K & Sons Roofing Ltd, we specialise in flat roofing services for both residential and commercial properties. Our key sub-services include:

  • New Flat Roof Installation – Modern, low-maintenance, and durable flat roofs tailored to your property.

  • Flat Roof Repairs – Fix leaks, cracks, or membrane damage efficiently to prevent further problems.

  • Expert Flat Roof Replacement & Re-Roofing – Upgrade old or damaged roofs with high-quality solutions.

  • EPDM, GRP, and Felt Roofing – Premium materials for long-lasting strength, waterproofing, and energy efficiency.

  • Flat Roof Maintenance – Regular inspections and preventive care to extend the lifespan of your roof.

Whether it’s a new flat roof installation, emergency repair, or routine maintenance, we provide professional, reliable, and affordable flat roofing services across West London.

Flat roofing · West London

Flat roofing in West London: which system, and when to repair or replace

For most home extensions in West London, an EPDM rubber membrane over a warm-deck insulated build is the most durable, lowest-maintenance flat roof. GRP fibreglass suits roofs you walk on, such as balconies and terraces. Torch-on felt remains a sound budget choice for garages and outbuildings. We survey first, then recommend the system that fits your roof and budget.

Free survey firstYou get a written, itemised quote before any work starts
Fully insuredPublic liability cover, as well as our workmanship guarantee
24/7 for emergenciesCall 07720 607862

Which flat roof system is right for your property?

The right system depends on how you use the roof, its shape and your budget. So here is how the three main options compare:

SystemTypical lifespan*Best forThings to know
EPDM rubber30+ yearsRear extensions, dormers, garage roofsUsually laid as one seamless sheet on domestic roofs. It also stays flexible in frost and sun. However, it is not meant for regular foot traffic.
GRP fibreglass25+ yearsBalconies, terraces, roofs with lots of detailingHard, walkable finish. However, we can only lay it in dry weather, and it cures best above about 5°C.
Torch-on felt (3-layer)15–25 yearsGarages, sheds, outbuildings, tight budgetsLowest upfront cost. Also, a proper three-layer system with a mineral cap sheet lasts far longer than cheap single-layer felt.

*Industry-typical ranges for a correctly installed system. Actual life depends on the product, installation quality, drainage and maintenance.

Signs your flat roof needs repair or replacement

  • Ponding water that is still sitting on the roof 48 hours after rain.
  • Blisters, splits or cracks in felt, or seams lifting on a rubber membrane.
  • Damp patches or mould on the ceiling under the flat roof.
  • A soft or spongy feel underfoot, because the timber deck beneath has usually got wet.
  • Lifted edge trims or failed flashing where the roof meets a wall.

Repair or replace?

If the damage is local and the deck underneath is dry and solid, a repair is usually the right call. If the deck is rotten, the covering has failed in several places, or the roof is near the end of its life, replacing it is normally better value than paying for repeated repairs. Either way, we will tell you which applies after the survey. Also, for leaks and one-off faults, see our roof repair service.

Warm roofs, insulation and Building Regulations

Under the Building Regulations in England, replacing 50% or more of a flat roof counts as renovating a "thermal element". This applies even if you like-for-like replace the covering, and it normally means bringing the insulation up to current standards. For this reason, we usually build a warm deck: rigid insulation boards go on top of the timber deck, under the waterproof layer. As a result, the structure stays warm and condensation is far less likely. For more detail, see the LABC guidance on roofs and Building Regulations.

Planning permission: replacing an existing flat roof like-for-like does not normally need planning permission. However, listed buildings, conservation areas and changes to the roof's height or shape can be different. Either way, we will flag anything that needs checking at the survey.

What affects the cost of a flat roof?

  • The size of the roof in square metres, and which system you choose.
  • Whether the old layers can stay or need stripping, and whether any of the deck needs replacing.
  • Insulation upgrades, if needed to meet Building Regulations.
  • Access: a ground-floor extension is simpler than a second-floor dormer that needs scaffolding.
  • Details such as rooflights, upstands, outlets, edge trims and lead or wall flashings.

For this reason, we price every flat roof after a free survey and put the full cost in writing.

How long does a flat roof replacement take?

We usually strip and re-roof a typical single-storey rear extension in one to three days, depending on the system and the weather. EPDM is the quickest to lay, while GRP needs a dry spell to cure. Larger or more complex roofs take longer, so we will give you a timeline with your quote.

How we work

  1. Free surveyFirst, call or message us and we arrange a visit to inspect the roof and talk through your options.
  2. Written quoteThen you get a clear, itemised quote in writing, with no hidden extras.
  3. The workAfter that, our own team carries out the job, keeps the property watertight and clears up each day.
  4. Guaranteed finishFinally, we walk you through the finished work, and our workmanship guarantee covers it.

Flat roofing across West London

We cover West London and the surrounding towns, including these areas:

Ealing Hanwell Hammersmith Richmond Twickenham Hayes Hillingdon Uxbridge Southall Harrow Watford Slough Windsor

Local page: Flat roof replacement in Hayes

Related services: Roof Repairs · New Roof Installation · Pitched Roofing · Guttering · 24/7 Emergency Roof Repairs

Flat roofing in West London: FAQs

How long does an EPDM rubber flat roof last?

A correctly installed EPDM roof typically lasts 30 years or more. However, its lifespan depends on the quality of the membrane, how well we detail the edges and outlets, and whether water drains off the roof properly.

Is GRP or EPDM better for a flat roof?

In short, neither is better for every roof. EPDM is usually the best choice for extensions and dormers that people rarely walk on. GRP is better for balconies, terraces and roofs with complex shapes because it gives a hard, walkable surface.

Do I need planning permission to replace a flat roof?

Like-for-like replacement of a flat roof does not normally need planning permission. Listed buildings, conservation areas and changes to the height or shape of the roof may need approval. Replacing 50% or more of the roof does bring Building Regulations into play, including insulation.

Can you fix a leaking flat roof in the rain?

We can make a leaking flat roof temporarily watertight in wet weather, and our emergency line runs 24/7. Permanent repairs to felt and GRP need dry conditions, so we come back to complete them when the weather allows.

How much does a new flat roof cost?

The price depends on the roof size, the system you choose, the condition of the deck, insulation requirements and access. That is why we give a free survey and a written, itemised quote so you know the full cost before any work starts.

Need flat roofing in West London?

Book a free survey and written quote, or call us 24/7 for emergencies.

Call 07720 607862Request a free quote
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ABOUT US

At M.K Sons Roofing Ltd, we combine expertise, skilled craftsmanship, and reliability in every roofing project. In addition, from new roof installations and roof repairs to refurbishments and preventive maintenance, our team delivers durable, high-quality roofing solutions you can trust. Serving London and surrounding areas—including Ealing, Hammersmith, Richmond, Watford, Windsor, Harrow, Slough, Twickenham, Uxbridge, and Hayes—we complete every job on time, within budget, and to the highest standards. Overall, with a strong focus on customer satisfaction and professional service, M.K Sons Roofing Ltd is the trusted roofing company in West London for both residential and commercial properties.

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