New Flat Roof in Grimsby

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New Flat Roof in Grimsby

Do you have a flat roof that needs restoring in Grimsby or perhaps you are looking at changing your existing roof into a flat design. No matter your needs, make sure you make use of our simple and fast quote service to get the very best prices for the work you want.

Pitched roofs have always been frequently seen around the country, but now it seems the flat roof is growing in popularity. There are some significant reasons for this too, such as the simple fact they're more affordable to have built and are much better for energy efficiency, saving you money on energy bills.

What's more, the flat roof is fantastic for being resistant to the flippant climate conditions the UK is notorious for. The style of roofing can be put together with practically any material as well, depending on your needs and existing household.

If a flat roof sounds like something you might benefit from, why not assess quotes using our quick and easy online service. We'll match your information with reliable roof businesses in Grimsby who'll visit your house and offer a free of charge quote for the work.

The work itself may take several weeks to carry out, all according to the size of your house. Needless to say, if it's a repair job this may take significantly less time.

Average Flat roof cost in Grimsby

In Grimsby, a typical job costs about £2,750, with prices from around £1,500 for small jobs to £4,300 for bigger ones.

Typical flat roof prices in Grimsby

Avg. price low

Avg. price low
£1,500

Avg. price

Avg. price
£2,750

Avg. price high

Avg. price high
£4,300

£4400

£3300

£2200

£1100

£0

Based on the price ranges set by 9 tradespeople who cover Grimsby (the middle values of their lowest and highest prices per job). Your price depends on the size of the job, access and materials.
Time frame: 3-8 days
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Grimsby

Grimsby is the admin centre of North East Lancashire, found on the coast of the Humber Estuary in northeast England. Grimsby features a populace of approximately 87,000 and the town is most noted for its angling industry. When you need household improvements completed on your coastal house in Grimsby, always employ trustworthy experts and get the best from your household.

Latest Flat roof completed projects

  • Completed Flat roofproject picture by Primoplastics and Roofing
  • Completed Flat roofproject picture by Adequate roof care limited
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    Rated flat roof pros covering Grimsby

    4 rated pros are based within 25 miles of Grimsby. Pros with a recent written review are shown first, nearest and best rated first.

    NH Roofing Services

    16 review(s)
    Based in Doncaster, DN8 · 36 miles away

    Flat roof specialist, other roof work undertaken , from small repairs to full replacements

    Latest review

    Yvonne S., DN16
    September 2026
    5

    Flat roof in Scunthorpe

    Responded quickly to initial enquiry, options given. Very competitive pricing. Fantastic service. All guys absolutely...

    DB Fascia & Property Maintenance

    106 review(s)
    Based in Wellow, NG22 · 45 miles away

    Hi, my name is danny and my company is DB Fascias & Property Maintenance ltd We are a well established family business and have been in the roofing and building trade for over 20 years. We cover all roofing repairs and new installations. Our spec...

    Latest review

    Glenys S., DE21
    December 2020
    5

    Flat roof in Derby

    Danny rang to discuss the problem with my garage roof and after I sent him photos he offered a quote to repair it with a...

    B Wise

    59 review(s)
    Based in Doncaster, DN8 · 36 miles away

    We are a dedicated team of trained trades men who aim to beat any like for like quote and finish all our work to a very high standard For full customer satisfaction we are your guys

    Latest review

    Jeffrey J., DN17
    November 2020
    5

    Flat roof in Scunthorpe

    Over all they did a good job cleaned up after themselves and went above and beyond to get the skip remove

    Safe Styling Home Improvements Limited

    3 review(s)
    Based in Newark, NG24 · 45 miles away

    How was service includes soffits facias guttering bargeboards downpipes GRP fibreglass flat roof re-roof new tiles roof new slate roof ridging pointing storm damage lead work dry verge system dry ridge system chimney stack repairs repointing V Lux Wi...

    Latest review

    Val S., DE21
    January 2021
    5

    Flat roof in Derby

    Arrived as arranged, got on with the jo. They did a couple of other small jobs with no Extra charge. Then cleaned up aft...

    Recent flat roof enquiries in and around Grimsby

    2 enquiries from Grimsby in the last 12 months, the latest on 31 August 2026.

    31 Aug

    Flat roof

    Grimsby - DN31

    Enquiry from: Denislas T

    Start Date: Immediate

    The roof is leaking when it rains it is causing the inside to get wet I need a replacement as soon as possible

    Post a similar request >

    28 Aug

    Flat roof

    Hull - HU12

    Enquiry from: Colin C

    Start Date: Immediate

    Conservatory roof replacement

    Post a similar request >

    18 Jun

    Flat roof

    Hull - HU12

    Enquiry from: Peter M

    Start Date: Immediate

    New boards and rubber on flat roof

    Post a similar request >

    05 Jun

    Flat roof

    Barrow-upon-Humber - DN19

    Enquiry from: Lukasz G

    Start Date: Immediate

    Double garage, 30m2. New roof needed. EPDM or GRP

    Post a similar request >

    06 Dec

    Flat roof

    Grimsby - DN36

    Enquiry from: Gary C

    Start Date: Immediate

    Building/ bay window roof and also front door porch roof

    Job: installation · Roof: flat roof · Material: roofing felt · Property: detached

    Post a similar request >

    09 Sep

    Flat roof

    Immingham - DN40

    Enquiry from: Rita D

    Start Date: Immediate

    Small flat dormant window. needs replacement felt and have a cracked tile on roof that needs replacing. quotes please

    Material: roofing felt · Property: terrace · Built: 1930-70 · Height: 1st floor

    Post a similar request >

    27 Aug

    Flat roof

    Cleethorpes - DN35

    Enquiry from: E

    Start Date: 1 to 3 months

    Replacement felt roof for summerhouse required

    Post a similar request >

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    Our reviews

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    Excellent and very professional

    Excellent and very professional

    Garage repair and re felt. All empl ...

    Garage repair and re felt. All employees were very courteous. Kept the work area tidy explained all aspects of progress. Good timekeeping, completed original within timescale and budget. Additional wo ...

    I am extremely satisfied with the w ...

    I am extremely satisfied with the work…Flat roof replacement from felt to fibreglass I am extremely satisfied with the work that has been carried out and would recommend without reservations

    FAQs

    what is the average cost to replace a flat roof?

    What Is The Average Cost To Replace A Flat Roof?

    Are you interested in knowing how much it costs to replace a flat roof? Here, you’ll discover a price breakdown for replacing flat roof. This includes a number of price determining factors such as materials costs as well as cost of labour and cost per square metre. All these enables you to make easy calculations so that you can determine a flat roof replacement estimate for your own project.

    The type of flat roof that is the most common type is the garage roof and for the replacement of a single garage roof, the cost will fall between the range of £700 to £1000. Meanwhile for a double garage, you should expect a price increase of about 40 percent to 50 percent. The main price determinant that’s affecting the price of a new flat roof is the material incorporated in making it. For instance, lead or fibreglass are much more expensive when compared to felt roofs.

    Generally, the cost of a flat roof replacement will fall within the range of £700 to £1300 varying largely due to the type of materials to be used by the roofer, the roof’s size as well as whether or not scaffolding would be used. Multiple flat roof applications also comes with different costs which includes:

    • Felt roof ( £40 to £60 per square metre).

    • Fibreglass roof ( £70to £90 per square metre ).

    • Rubber roof ( £80 to £85 per square metre ).

    • Lead bay roof ( £90 to £105 per square metre ).

    • Fibreglass bay roof ( £40 to £60 per square metre ).

    Several professional roofers work in pairs and to hire them you’re likely to be charged between £200 to £300 per day. The project can be completed with just a day’s work, but the installer should be back to make sure there are no leaks.

    how often do flat roofs need replacing?

    How Often Do Flat Roofs Need Replacing?

    When a flat roof needs to be replaced is determined by a number of factors which includes the roof’s exposure to the weather, the condition and age of the roofing materials as well as the construction of the roof. However, with proper maintenance and regular inspection, they should be used for nothing less than 50 years. There are some commonly used types of flat roofs which includes Felt flat roof as well as a GRP flat roof.

    Felt Flat Roof

    The lifespan of a felt flat roof also varies depending on the quality and grade of the felt roof incorporated. This can make the roof last within the range of 2 to 20 years. More often than not, felt flat roofs are usually installed in such a way to keep the costs down which implies the grades of felts that are mostly used are the economical ones implying a very short lifespan.

    In the event whereby a premium grade of felt is incorporated in constructing a roof by professional contractors, will be guaranteed by the manufacturer to last between 10 to 20 years.

    One of the major causes of a short lifespan in felts is leaks which should be regularly inspected and repaired once identified. If not, the roof will gradually deteriorate and become a lot weaker due to the action of the sun. However, when a felt roof starts to leak, it’s usually a sign that’s approaching the end of its lifespan and a replacement should be taken into account.

    GRP Flat Roof

    The GRP flat roof or fibreglass flat roof usually comes with a manufacturer’s guarantee of 20 years and is expected to have a lifespan of a minimum of an additional 10 years.

    Unlike felt roofs, they’re more resistant to leaks. However, they should also be regularly inspected for leaks which are caused mostly as a result of installation error rather than the GRP roofing approaching the end of its useful life. If the GRP roof repair does not totally resolve the leak, you should start considering a replacement.

    What guarantee or warranty can I get?

    Most material warranties come from the waterproofing layer manufacturers, and can last between 5 and 20 years. If your roofing contractor is on the manufacturer’s installer list, it might cover their work. It’s important that you always read through all the information given to you about your warranty so you know exactly what is included.

    What is overlaying?

    If your existing roof is still in good condition but the membrane is getting old, it’s often not worth exposing the structure to the weather whilst the contractor strips off the old membranes. The contractor will leave them in place to act as a base layer for a new roofing system. As long as there are no other problems with your roof, then overlaying is a good way to replace your flat roof.If you have any more questions about flat roofing that aren’t listed here, fill out our form to ask a contractor.

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