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Precision Roofing & Building Contracts

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Offers services in COUNTY LONDONDERRY
Precision Contracts is a family run business and have been the foremost contractors of home improvements, building and roo...
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Erne Home Improvements

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Offers services in COUNTY LONDONDERRY
We are a home improvement company based in Northern Ireland we specialise in all types of roof work and UPVC facia soffit ...
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Splash&shine window cleaning service

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Offers services in COUNTY LONDONDERRY
Local, Affordable & Reliable service Window cleaning Roof cleaning PVC cleaning Gutter cleaning Conservatory clean...
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Dirt Killer

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Offers services in COUNTY LONDONDERRY
Pressure and soft washing Services
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All Purpose Glazing

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Offers services in COUNTY LONDONDERRY
Working with glass since 1983 All Purpose Glazing (APG) is a family run glass merchant and processing business that has co...

Recent Roofer Enquiries

23 Apr

Windows | Velux

Portstewart - BT55

Enquiry from: Oonagh B

Start Date: Immediate

i HAVE 3 VELUX WINDOWS WHICH NEED REVIEWED,ONE IS LEAKING .HAVE BEEN IN SINCE HOUSE BUILT QUERY CAN LEAKING INE BE REPAIRED ,POSSIBLE REPLACEMENT OF ALL 3 WINDOWS

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17 Apr

Windows | Velux

Londonderry - BT47

Enquiry from: Gavin P

Start Date: Immediate

I need velux windows fitted to a loft conversion. Two large, two small. Give me a quote please

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25 Mar

Roofing | Flat | Replacement

Magherafelt - BT45

Enquiry from: Conor B

Start Date: Immediate

a lean too roof from a boiler house shed to a fence approx 3.5 meters squared

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05 Mar

Roofing | Pitched | Repair

Londonderry - BT48

Enquiry from: Xuesong J

Start Date: Immediate

Lead Flesh missing on roof and leaks on sitting room ceiling around chimney

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28 Feb

Cleaning | Roof cleaning

Coleraine - BT51

Enquiry from: Glen P

Start Date: Immediate

Moss and Lichen on the roof of a bungalow, soon to have windows replaced. May require a few tiles repaired and a clean and seal please.

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27 Feb

Cleaning | Gutters

Coleraine - BT51

Enquiry from: Gordon C

Start Date: Immediate

Cleaning gutters on my house

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26 Feb

Roofing | Pitched | Repair

Londonderry - BT47

Enquiry from: John M

Start Date: Immediate

Sun Tunnel Lead

2 tiles s slipped out at the high end of roof are you the property owner: owner of the property property type: detached property age: post-2000 roof height: 2nd floor is your roof pitched or flat: p...

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24 Feb

Roofing | Pitched | Repair

Londonderry - BT48

Enquiry from: William H

Start Date: Immediate

some ridge tiles came off in the last storm/ i think the was perished?

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21 Feb

Roofing | Pitched | Repair

Coleraine - BT52

Enquiry from: Clare Q

Start Date: Immediate

Hear squeaky metal gate noise in roof at night when windy. Cannot hear outside of the house just inside.was wondering was in loose tiles getting into attic space

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15 Feb

Roofing | Pitched | Repair

Coleraine - BT51

Enquiry from: Ashley S

Start Date: Immediate

Lost 6 ridge tiles in the storm, need these replaced. Bungalow with sloping roof.

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14 Feb

Roofing | Flat | Repair

Londonderry - BT48

Enquiry from: Paul A

Start Date: Immediate

Summer house roof repair/replace.

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04 Feb

Roofing | Pitched | Repair

Portstewart - BT55

Enquiry from: Brian T

Start Date: Immediate

Sun Tunnel Lead Sun Tunnel Lead Sun Tunnel Lead Sun Tunnel Lead

1 x Ridge Roof tile put back and cemented in properly. 2 x leaking plastic corner brackets to be checked and secured with brackets (Brackets supplied). West side of the bungalow 3 x cement under tiles...

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04 Feb

Roofing | Pitched | Repair

Londonderry - BT48

Enquiry from: Martin W

Start Date: Immediate

Some roof tiles blown off by storm, need inspection and repair

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28 Jan

Roofing | Pitched | Repair

Portstewart - BT55

Enquiry from: Frances M

Start Date: Immediate

ridge tiles have come off in the storm. are you the property owner: owner of the property property type: detached property age: 1970-2000 how many bedrooms: 3-4 rooms is your roof pitched or flat: pi...

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27 Jan

Roofing | Pitched | Repair

Londonderry - BT47

Enquiry from: Pat M

Start Date: Immediate

Cement dislodged between roof and area beneath it

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25 Jan

Roofing | Pitched | Repair

Coleraine - BT51

Enquiry from: Wray C

Start Date: Immediate

Sun Tunnel Lead

One tile needs replaced as missing due to storm. Urgent. Have new tile for roof purchased and ready to be put on

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25 Jan

Roofing | Pitched | Repair

Coleraine - BT52

Enquiry from: Azaria C

Start Date: Immediate

Ridge tile replacement and leak at window corner in roof

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25 Jan

Roofing | Pitched | Repair

Londonderry - BT48

Enquiry from: Suzanne C

Start Date: Immediate

Replace 2 tiles (have spares) and also some ridges

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25 Jan

Roofing | Pitched | Repair

Limavady - BT49

Enquiry from: Anna M

Start Date: Immediate

One tile of the roof 2 others out of places

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25 Jan

Roofing | Pitched | Repair

Londonderry - BT47

Enquiry from: Daniel S

Start Date: Immediate

Ridge tile slipped off a few inches and needs replaced and cemented.

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How much do Roofer services cost?

How much do Roofers cost? Costs for Roofers in 2025 can be very different depending on the kind of work that you want to have actually performed in your residence. It's the question we get asked a great deal "how much do Roofers charge?". It's often very good to have an idea of how much a Roofer are going to likely charge for their assistance. Prices will most likely fluctuate based on the materials and also the tradesman picked. The table shows the kinds of task that Roofers generally do as well as the standard cost series of these tasks. Some projects take longer to complete than others so costs do fluctuate by task.

View our Roofer cost guide View our Roofer advice

The average price
of a Roofer in County Londonderry is:

£1,970

Roofer job Roofer cost in 2025
Velux windows in County Londonderry £675-£1,035
Tile or slate roofing in County Londonderry £4,500-£6,900
Flat roof in County Londonderry £1,875-£2,875
Commercial roofing in County Londonderry £3,750-£5,750
Flat roof repair in County Londonderry £1,500-£2,300
Gutter cleaning in County Londonderry £75-£115
Tile roof repairs in County Londonderry £338-£518
Chimney sweeping in County Londonderry £75-£115
Roof cleaning in County Londonderry £1,480-£2,220
Sun Tunnel in County Londonderry £700-£1,000

Related Roofer searches in County Londonderry

Roofer FAQs

How to tile a roof?

The task of installing a tile roof can be quite a difficult one. Such a project takes a great deal of preparation, well before the actual tile installation is done. It does not matter if you are putting new ones or replacing your old tiles, understanding the proper technique and steps become crucial.

Remove old roofing (if applicable).

This is, on its own, a major job that can take days and require special tools. It takes some time, but be prepared to do it right.

Install battens (if applicable).

Battens may be needed to hold the tiles in place if the roof is having a steep slope. Usually made of metal or wood, battens are generally 1 inch thick and run horizontally along the roof.

You can find several varieties of tiles that has a hook or a lip allowing it to hang on the available battens. Apart from this, you can find several clips in the market which help to attach the tiles on to the batten.

Determining the spacing for battens can be done easily using two tiles. To prevent interlocking, a three inch overlap is required at the minimum, and a smaller amount of overhang should be left over the eaves. Keep this in mind when you determine the locations of the battens.

After you have determined the distance between the first two battens, measure the distance and set battens using that spacing up, making sure to double-check measurements as you go along.

• Install the tiles.

• You will need to begin with one side first, and then continue to move along the length of the roof.

• Cut tiles to fit tight spots.

• Tiles have to be cut precisely to overcome any obstacle like the chimney.

• Install the ridge tiles.

After completing the broad surfaces of the roof, special ridge tiles are required to cap the top.

How much does it cost to replace a commercial flat roof?
If your commercial flat roof needs replacing, how much it costs will depend on how big the roof is and what you want it to be made from. Lots of commercial flat roofs are made from felt or asphalt, but people are also beginning to turn to materials like EDPM rubber and fibreglass. Flat roofs can last a long time, but if it’s been 20 years or more since you had it replaced or inspected, it might be time for a new one. If a roofer inspects it and finds lifting, flashing problems, sagging or lots of blisters, it’s probably time to replace your flat commercial roof. So how much does it cost to replace your commercial flat roof? The average cost is around £4,500, but it could be much less or much more. It depends on how big your roof is and what material you choose. Felt is the cheapest material you can use for your commercial flat roof, at around £40-70 per metre squared, while a lead bay roof will cost the most at £90-110 per square metre. EDPM rubber and fibreglass roofs are being used more and more because they’re so durable, and they will cost between £80 and £110 per square metre. It might be worth spending a little more upfront to get a stronger and longer-lasting commercial flat roof.

How to build a roof?

A roof serves as something which is so much more than just a top of a building. A roof delivers guard from the elements and precipitation, it also helps drain water from a structure, and helps to provide insulation to the structure allowing it to keep the interior of a building cool or warm, according to season.

There are several steps to building a roof

Mount the trusses.

This step requires the building’s wall frames to be completely level, square and plumb. If you are building the roof onto a building that is still a frame you must use ladders or scaffolding. Hoist the trusses onto the roof.

Install temporary braces.

You will need to install temporary braces that the trusses can rest on until the sheathing and permanent bracing are installed, this has to be done before you install the trusses. At the centre of the back wall, nail the bottom half of one two-by-six board that's 16 feet long to the top of the outside wall, making sure you fasten it to a stud.

Install the end trusses.

Install the two end trusses at the front and back of the building, making sure you affix them to the temporary bracing. The batten you take will have to be a bit longer than the distance will separate the trusses.

Install the standard trusses.

According to the instructions provided by the manufacturer, you will first need to install the first standard truss. You will also need to nail it to the batten from the first truss.

Sheath the roof.

Once your trusses permanently braced, you can begin with the sheathing of the roof. Starting from the bottom corner and moving across the bottom, the sheathing is installed lengthwise.

Install the roof cover.

Like the sheathing and underlayment procedures, the roof cover is installed lengthwise from the bottom up. The shingles should be staggered, and they should also overlap at the same time. You will need to work up to the ridge and use a ridge cap shingles to finish the ridge.

How to clean gutters?

To keep water away from your house, the importance of gutters cannot be overemphasized. However, in order to enable them do their job the proper way, the clogging dirt and debris must be thoroughly wiped out and fortunately there are a number of ways to get the job done by yourself. However, it must be stated that cleaning of gutters can be a very dangerous task as it deals with working at heights. As a result, if you are not confident enough to this pull this off, then we’d strongly recommend you get in touch with a reliable professional who can guarantee the job effectively and also in a safe manner. In this guide, we’re going to look at some of the ways in which you get rid of dirt and debris on your gutter by yourself.

 

  • Clean the gutter with a leaf blower. Several leaf blowers feature a nozzle attachment which is made to release a narrow stream of air which is suitable for cleaning of gutters. All you have to do is simply to position your ladder to enable you work slowly towards the downspout and getting rid of all dirt and obstructions on the gutter as you go. The final step would be to remove any lingering leaves or twigs using a hose. If don’t want to stand on a ladder to do all these, a specialized attachment is available to add to the blower’s reach.
  • Clean the gutter with a wet or dry vacuum. For heavier debris, you can try out a wet or dry vacuum. To reach the obstructed gutters while standing on the ground, simply get curved attachments and hoses at a local home improvement store. You may, however, need to moisten some stubborn dirt before it can be properly vacuumed or removed.after completing the vacuuming process, simply flush the gutters with garden hose waters.
How to repair a fibreglass flat roof?

Fibreglass, or GRP, flat roofs are very durable and should last you years, but over time they can become brittle and you might see some cracks or holes forming. Luckily, you can repair a fibreglass flat roof and it doesn’t have to be too difficult. Cracks in a fibreglass flat roof If you notice long cracks in your fibreglass roof, you can often use a fibreglass crack sealant. Simply clean the area, squeeze the sealant into the crack, then smooth it off. If you want it to look neater, you could coat the entire roof with a restorative coating which will make it look new again. Hole in a fibreglass roof If you notice a hole in your fibreglass flat roof, you’ll want to get this repaired as soon as possible to avoid any rainwater getting into your home. There are lots of fibreglass roof hole repair kits on the market, both online and in DIY stores, so you shouldn’t have trouble picking one up. They usually contain a mouldable UV cured patch that you can stick onto the hole. It will harden and become instantly weatherproof, so is the perfect emergency repair solution. Fixing pin holes in a fibreglass flat roof Unfortunately, if you find pin holes in a fibreglass flat roof it’s often because the installer didn’t use enough resin during the fibreglassing process. Luckily, if you can’t get back in touch with the installer or you only notice after a few years, you can fix this yourself. Sand down the roof back to the clear resin layer. Clean the entire roof with acetone and reapply some GRP roofing resin. Ensure that all the pinholes are filled – you might need two coats.

How much are Velux windows?

Velux windows are a great way to add lots of light to your loft space. Velux is actually the name of a brand of roof window – not to be confused with roof lights, which are usually installed on flat roofs, or skylights, which are normally used to add natural light into a room without being able to open it. Roof windows open like regular windows and are fitted within your roof. But how much are Velux windows? Whether you choose a Velux window or another brand of roof window, they’re not cheap. Since they require special installation, including cutting roof timbers and replacing them to keep the structure strong enough, they take longer to install than a normal double glazed window. It can take up to a day to install a large Velux window, and it could set you back anywhere between £1,600 and £2,000. If you only need a small roof window in an area like a bathroom, you can expect to pay up to £1,300 for it to be fitted. Usually, there won’t be any need for scaffolding or towers because Velux windows are designed to be installed from the inside of your home. However, it’s worth setting aside an additional £500 in your budget in case unexpected problems occur and an installer needs to get on your roof to finish fitting the window. All of these prices are based on a standard roof window without any additional features. If you want to be able to control your windows with an electric switch or remote, this could set you back as much as an additional £400. For extra-low energy glass, you can expect to pay up to £200 more.

how much does it cost to have roof cleaned?

How Much Does It Cost To Have Roof Cleaned?

If your roof is dirty, it’s highly recommended that you have it cleaned by a reliable and professional roof cleaning contractor who specializes in cleaning of all types of roofs rather than making it a DIY project or hiring an odd job man who is a jack of all trades. This is due to fact that major mistakes like incorporating inappropriate cleaning agents, pressure as well as wrong cleaning techniques can have a serious negative impact on your home while also putting in mind the several dangers that comes with working at height. However, when hiring a professional roof cleaning person or company, do make sure that the cleaner is fully insured, possesses the relevant training working at height and has the ability to operate access machinery. In other words, when it comes to roof cleaning where safety is the first priority, it shouldn’t always be about the price of the job but the quality of the service you’re going to receive.

There are several variables that determines the cost of cleaning a roof and these includes both the type of the roof in question as well as the size of the house. Let’s take a look!

✓ For a small semi detached or terraced house with a standard front and rear elevation with no side hips, the average cost of cleaning the roof usually starts from £390 and above.

✓ For a semi detached or detached house which is a free standing residential building, the average cost of cleaning the roof usually starts from £490 and above.

✓ For a averaged sized detached house which is a stand alone property, the average cost of cleaning the roof usually starts from £590 and above.

✓ For a large detached house featuring several additional roofs including a porch, double garage and even an extension, the average cost of cleaning the roof usually starts from £790 and above.

How to repair flat roof blisters?

Blisters are most common on membrane roofing systems. Lots of contractors will tell you that if there are no signs of further damage, there might not be any need to repair flat roof blisters. They form when pockets of air or water get trapped between layers of the roof’s membrane or between the membrane and the frame. When the sun is out and it heats the pockets expand and stretch the membrane. If you do want to repair your flat roof blisters, there are a few ways to go about it.

If you have a membrane flat roof, cut away the membrane until you reach a place where the membrane is still stuck tightly to the roof. Reapply as many new membrane layers as you cut away over the blistered area. You might even need to do more. To make sure your patch remains watertight, you’ll need to leave at least 6 inches around the edges of the blister.

If you’ve got a felt roof, you can cut an X shape through the blister. Peel back the triangles that you’ve made and let the timber frame dry for a while (so don’t do this when rain is forecast!). Then, coat the area with lots of bitumen adhesive and leave it to dry until it feels tacky. Then press down the triangles of felt firmly into the adhesive.

After that, you’ll need to add more bitumen adhesive to the cuts you made. If you’ve got any spare roofing felt, cut a square that’s about 100mm bigger than the cuts then lay this over the adhesive. If you’ve not got any felt, it’s cheaper to use a self-adhesive flashing strip. Once you’ve laid the strip or patch over, seal the edges with more bitumen adhesive.

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