New Flat Roof in Harpenden

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New Flat Roof in Harpenden

Have you got a flat roof top that needs restoring within Harpenden or maybe you are considering remodeling your existing roof into a flat design. No matter your needs, ensure that you make use of our easy and quick quotation service to get the best prices regarding the work you want.

Pitched roofs have always been typically seen throughout the country, but now it seems the flat roof is growing in popularity. There are a few significant reasons for this also, along with the fact they're less expensive to have constructed and are better for energy efficiency, costing you less on energy costs.

What's more, the flat roofing is fantastic for being resilient to the flippant weather conditions the UK is well known for. The style of roofing can also be put together with almost just about any material as well, dependant upon your needs and current property.

If a flat roof seems like something you might benefit from, why not review prices using our quick online service. We'll match your details with reputable roof firms within Harpenden who'll visit your property and offer a no cost quotation for the work.

The work itself usually takes several weeks to finish, all according to the size of your home. Obviously, if it's a restoration job this can take considerably less time.

Average Flat roof cost in Harpenden

The common cost of Flat roof is £2500. Costs fluctuate based upon the materials and the firm chosen. The upper price range can be as high as £2875. The material costs are quite often about £625

Average price per Flat roof job in 2025

Avg. price low

Avg. price low
£1,459

Avg. price

Avg. price
£4,917

Avg. price high

Avg. price high
£8,292

£8800

£6600

£4400

£2200

£0

Prices based on actual Flat roof costs for Harpenden, as reported by local LeadsDoWork members.

Flat roof installation cost in Harpenden 2025

Labour cost £1,750
Material cost £625
Waste removal £125
Time frame: 3-8 days

Flat roof searches in January 2025

Flat roof Projects in Harpenden in December 2024

1,026

Requests for quotations in Harpenden in December 2024

10

Requests for Flat roof quotations in Harpenden in December 2024. 0% change from November 2024.

70

Requests for Flat roof quotations in Hertfordshire in December 2024. -22% change from November 2024.

We noted 1,026 requests for house quotes in Harpenden. Of these quotation requests the amount of flat roof quotations in Harpenden was 10. Quotatis would have been in a position to match these consumers with as many as 4 suitable fitters who were available for work in Harpenden during those times. Request a free property survey from reputable companies within Harpenden.

Source: Numbers calculated based on the search volumes in major search engines

Flat roof searches in cities and towns near Harpenden December 2024

23

Requests for quotations in St Albans in December 2024

10

Requests for quotations in Harpenden in December 2024

7

Requests for quotations in Welwyn Garden City in December 2024

5

Requests for quotations in Hatfield in December 2024

1

Requests for quotations in Welwyn in December 2024

Harpenden

Harpenden is a town in Hertfordshire, England. The town's population is just under 30,000. Harpenden is a relatively affluent commuter town, with a direct rail connection into London and property prices are well above double the national average. Geographically it is located between two much larger neighbouring towns: Luton and St Albans. It is flanked by the villages of Redbourn and Wheathampstead.

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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    Flat roof pros in Harpenden

    Adequate roof care limited

    1 review(s)
    Based: in Windsor, SL4 1PD

    Welcome to Adequate Roof Care Ltd, your trusted choice for exceptional roofing services in Windsor, High Wycombe, Reading and surrounding areas. Founded in 2020, we have established ourselves as the region’s most reliable roofing service provider. ...

    Latest review

    David H., TW3
    5

    Roofing | Flat | Replacement in Hounslow

    Very professional. They did a great job and completed the work on time. Would definitely recommend them.

    Advanced Roofing Solutions LTD

    1 review(s)
    Based: in Slough, SL2 4LF

    Advanced Roofing Solutions Ltd has been installing BBA approved Topseal GRP fibreglass roof coverings and cold applied resin roofing systems since 2006. With more than 10 years experience specialising solely in the installation of resin roofing sy...

    Latest review

    Debi W., UB4
    4

    Roofing | Flat | Replacement in Hayes

    For a fibre glass roof so expensive

    Excel Roofing

    15 review(s)
    Based: in Dunstable, LU5 5BJ

    Excel Roofing are a friendly and professional roofing company, based in Luton and offer a quality roofing service. We serve all of Bedfordshire, Hertfordshire and Buckinghamshire.

    Latest review

    Phil R., LU7
    5

    Roofing | Flat | Replacement in Leighton Buzzard

    Excellent.A company that really knows what it is doing and does it very well.

    ELT Landscapes Ltd

    14 review(s)
    Based: in Cambridge, CB24 9PW

    ELT Roofing are thoroughly experienced, comprehensive roofing specialists who provide every aspect of roofig to residential and commercial properties in Cambridgeshire.

    Latest review

    Serena F., CB1
    4

    Roofing | Flat | Replacement in Cambridge

    Only one company called me instead of the advertised number of 4 quotes. ELT Roofing was prompt in contact but the proj...

    London Counties Roofing

    6 review(s)
    Based: in Middlesex, HA0 2QN

    ALL OUR WORK COMES WITH A 15 YEAR GUARANTEE WITH WRITTEN QUOTE AND NO DEPOSIT UNTIL ALL WORK IS COMPLETED.VISIT OUR WEBSITE ON LONDONCOUNTIESROOFING.COM FOR INFORMATION ON ALL OUR ROOFING SERVICES.

    Latest review

    Takashi T., HA9
    5

    Roofing | Flat | Replacement in Wembley

    Very good price, but one company is better price.

    Terry Letherbridge T/A Letherbridge Roofing

    4 review(s)
    Based: in Essex, CM16 6LB

    Latest review

    Paul H., RM2
    4

    Roofing | Flat | Replacement in Romford

    Did not really want to provide a rubber roof & quoted on a triple felt roof that we do not want.

    Similar Customer Enquiries for Flat roof in Harpenden

    03 Apr

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Peter M

    Start Date: Immediate

    homeowner replacement roof supplied and fitted please contact to appoint

    Post a similar request >

    31 Mar

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Peter M

    Start Date: Immediate

    homeowner replacement roof supplied and fitted please contact to appoint

    Post a similar request >

    22 Mar

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Peter M

    Start Date: Immediate

    Replacement garage roof. Garage is link-detached.

    Post a similar request >

    16 Jan

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Michael U

    Start Date: Immediate

    replace felt roofing on a shed and replace some roof tiles adjacent to the chimney. are you the property owner: owner of the property property type: detached location of roof: other height: 1st floor...

    Post a similar request >

    18 Jun

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Martin G

    Start Date: 1 to 3 months

    Replace felt garage roof. End garage of a garage block. Ensure leak tight joint with adjacent garage felt roof which was replaced around a year ago. Are you the property owner: Owner of the property ...

    Post a similar request >

    29 Jul

    Roofing | Flat | Replacement

    Harpenden - AL5

    Enquiry from: Dominic B

    Start Date: Immediate

    Home owner Remove and dispose existing cement corrugated roof, replace with corrugated metal roof. Additionally, there's a ridge tile displaced on the house which I'd like repaired - be good if all ...

    Post a similar request >

    02 Dec

    Roofing | Flat | Replacement

    Barnet - EN4

    Enquiry from: Annette D

    Start Date: Immediate

    I need to have a chimney stack removed from the back of the roof. Scaffolding will be in place as I am having solar panels installed. It is approximately 12 foot high, close to the guttering and separ...

    Post a similar request >

    04 Oct

    Roofing | Flat | Replacement

    Barnet - EN5

    Enquiry from: Martyn H

    Start Date: Immediate

    Building survey noted roof at end of its life and needs replacing. We are due to complete purchase of property 15th October and are looking for a reduction in price to cover potential roof replacement...

    Post a similar request >

    13 Sep

    Roofing | Flat | Replacement

    London - NW7

    Enquiry from: Niky P

    Start Date: Immediate

    Flat roof on lean to needs replacing.

    Post a similar request >

    12 Mar

    Roofing | Flat | Replacement

    Watford - WD19

    Enquiry from: SELINA O

    Start Date: Immediate

    The Roof is leaking at the Extractor vent at the top. There is also a leak by the wall where it adjoins the neighbours house

    Post a similar request >

    05 Mar

    Roofing | Flat | Replacement

    Barnet - EN4

    Enquiry from: Maria D

    Start Date: Immediate

    replacement of flat roof and installation of skylight are you the property owner: owner of the property property type: semi detached location of roof: extension height: 1st floor property age: 1930-70...

    Post a similar request >

    03 Mar

    Roofing | Flat | Replacement

    Stanmore - HA7

    Enquiry from: Hemal S

    Start Date: Immediate

    Flat roof Lead Flat roof Lead

    Replace part tile and part flat roof to complete flat roof - over rare single story extension

    Post a similar request >

    01 Mar

    Roofing | Flat | Replacement

    Barnet - EN4

    Enquiry from: Maria D

    Start Date: Immediate

    replacement of flat roof and installation of skylight are you the property owner: owner of the property property type: semi detached location of roof: extension height: 1st floor property age: 1930-70...

    Post a similar request >

    27 Feb

    Roofing | Flat | Replacement

    Stanmore - HA7

    Enquiry from: Hemal S

    Start Date: Immediate

    Flat roof Lead Flat roof Lead

    Replace part tile and part flat roof to complete flat roof - over rare single story extension

    Post a similar request >

    24 Feb

    Roofing | Flat | Replacement

    Watford - WD18

    Enquiry from: Haipeng Z

    Start Date: Immediate

    Flat roof Lead

    Hi I would like to find out the cost of replacing the current flat roof, which is about 5 m2 big. Please kindly provide an official quotation.

    Post a similar request >

    21 Nov

    Roofing | Flat | Replacement

    Edgware - HA8

    Enquiry from: Carole S

    Start Date: Immediate

    A roof quote for main roof plus small flat roof *** floor bay window.

    Post a similar request >

    09 Nov

    Roofing | Flat | Replacement

    Watford - WD17

    Enquiry from: Sachin V

    Start Date: Immediate

    Need to replace flat roof on my property

    Post a similar request >

    04 Nov

    Roofing | Flat | Replacement

    Borehamwood - WD6

    Enquiry from: Melvyn E

    Start Date: Immediate

    replacing l shaped flat asphelt roof, 18mm plywood base, insulation, adjusting slight pitch, replacing 2 skylights. approx 12.4m x 3.8m and 3.6m x 1.9m are you the property owner: owner of the proper...

    Post a similar request >

    10 Sep

    Roofing | Flat | Replacement

    Barnet - EN5

    Enquiry from: Djemal O

    Start Date: Immediate

    I have asbestos corrugated garage roof. Size length - 510cm width - 250cm normal height about 200 I need asbestos roof removed and replace with new roof. It is pitched V shaped. Side door height ...

    Post a similar request >

    12 Jun

    Roofing | Flat | Replacement

    London - NW7

    Enquiry from: Jeremy D

    Start Date: Immediate

    replacement fibreglass flat roof for loft extension approx 20 sq metres are you the property owner: owner of the property location of roof: extension property type: semi detached height: 2nd floor pr...

    Post a similar request >

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    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 to replace flat roof felt?

    How To Replace Flat Roof Felt

    Also referred to as tar paper, roofing felt is installed underneath the roof’s shingles to help deny water access to your home. Installing the roofing felt in overlapping layers builds a water barrier in situations whereby the weather damages or blows away the shingles. Although the application of a roofing felt on a flat roof is relatively easier and safer than working on a peaked roof, it’s advisable to take enough care and precautions. If you lack proper training and experience for this task, we’d recommend you employ a reliable professional to guarantee the best results and save you from further headaches especially in cases whereby unfortunate errors are made. This step by step guide will give you a good insight into the flat roof felt replacement process.

    • Take a measurement of the width and length of the roof.

    • Calculate the square footage by multiplying the numbers.

    • Multiply the square footage gotten by three (it’s advisable to install three layers of roofing felt to create a really strong weather barrier).

    • Use a claw hammer to remove the existing roofing felt.

    • Use utility knife to cut the new felt to fit the length of the roof.

    • Place the first piece along the roof’s edge and use a hammer tacker to tack the felt in place with staples or galvanized nails and hammer.

    • Put the staples or nails at every 6 inches along the side touching the roof’s edge as well as down the short sides.

    • Repeat the same process for the second piece, laying it out beside the first row of felt.

    • Cut a piece of felt to the appropriate length using a utility knife to begin the second layer of roofing felt, and cutting it in half, lengthwise.

    • Apply construction adhesive along the first row using a trowel.

    • Press the first piece for the second layer onto the adhesive. Repeat this process until the roof is covered with a second layer

    • Apply construction adhesive over the second layer to install the third layer. Begin with a full piece of felt without cutting it in half.

    • Overlap each piece by 2 inches until you’ve completely installed the third layer.

    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.

    how to replace flat roof fascia?

    How To Replace Flat Roof Fascia

    Whatever makes you decide to install your flat roof fascia by yourself and not a professional company, then you must have a clear idea of what to do and do it appropriately. If you lack proper training and experience, we’d recommend you employ a reliable professional to help with the task for the best results and save you some time and money. This step-by-step guide will give a clear insight on how to go about the replacement of your flat roof fascia.

    The tools to be incorporated includes the fascia boards, table saw, plane, crimper, clamps, power nailer, compound saw and chalkline.

    • Prepare and get all the necessary tools to complete the task before commencing as this would save you time from stopping and going back and forth looking for the next tool needed,

    • Install the sheathing and board.

    • Fix white fascias with at least 600mm centres ( a foiled fascia needs just 40mm centre) using a marine grade stainless steel plastic headed nails.

    • Make a space of up to 10mm between the joints for possible building expansion, using super glue to secure the joints to just a side of the fascia.

    • Place this directly on the fascia board’s top (if you’ll be installing ventilation) to create an air pathway.

    • Take note that the type of roof to be installed will determine how you’ll have to install the fascia board. For instance, a hip roof permits you to attach the fascia board onto the roof in a quick fashion, whereas a gabled roof may need you to make markings on the board to achieve the right fit.

    • Consider the depth of the fascia board as it also play a huge role in the installation of the fascia board. For instance, there’ll be additional weights on tiled roofs that will push up against the board. Therefore, if you do not get the appropriate amount of depth, it could eventually collapse.

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    Customer Reviews

    Overall rating:


    Harpenden Flat roof installers are rated 4.3 out of 5 based on 25 reviews of 195 pros.
    The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Flat roof projects that have been connected with Flat roof pros to help them. All Flat roof contractors All Harpenden Flat roof contractors

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