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Verified ProOver 20 Reviews

Premier Rooflines

35 review(s)
Offers services in DOLWYDDELAN
we are a cheshire based company providing industry leading home improvement products fitted to BBA standards. Specialising...
Verified ProOver 10 Reviews

NH roofing services

12 review(s)
Offers services in DOLWYDDELAN
Flat roof specialist, other roof work undertaken , from small repairs to full replacements
Verified Pro

R & R Roofing

0 review(s)
Offers services in DOLWYDDELAN
We our a family run business with over 26 years experience in roofing. Whether you need a small roofing job done or a tota...
Verified Pro
Reliable company really hard working man my hand is never clean and I don’t have time for myself. I am business manager of...
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Roofimprovements uk

0 review(s)
Offers services in DOLWYDDELAN
Welcome to Roof Improvements UK! We here at Roof Improvements UK make sure all our customers are completely satisfied wit...
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Oliver's Roof Solutions

0 review(s)
Offers services in DOLWYDDELAN
NO.1 ROOFING COMPANY Trusted Roofers Across Wales Olivers Roof Solutions is your trusted local roofing specialist in Wa...

Recent Roofer Enquiries

20 May

Cleaning | Gutters

Dolwyddelan - LL25

Enquiry from: Beatrice C

Start Date: Immediate

Hello, I am looking for gutter cleaning and repair/replacement quotes for my home on Castle Terrace. I'd appreciate if you could check the works and provide a quote as soon as convenient. I look for...

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03 Jan

Roofing | Pitched | Replacement (Partial & Full)

Dolwyddelan - LL25

Enquiry from: Beatrice C

Start Date: Immediate

I live in a miner's house in Dolwyddelan LL25 0 roof works to be done: - ridge to be consolidated, - fascia to check and soffit to fit, - 1x cast iron rainwater pipe to be replaced. Property Typ...

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29 Apr

Roofing | Pitched | Replacement (Partial & Full)

Dolwyddelan - LL25

Enquiry from: Mandie A

Start Date: Immediate

need valleys looking at lead flashing around two chimneys and slates replacing where damaged

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19 Mar

Chimney Sweeping

Dolwyddelan - LL25

Enquiry from: B C

Start Date: Immediate

Chimney sweep required

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24 Nov

Roofing | Pitched | Replacement (Partial & Full)

Caernarfon - LL55

Enquiry from: Dilwyn O

Start Date: Immediate

Customer is looking for quotes for Tile Roof replacement from pros around Caernarfon. Please call to arrange appointment to discuss

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25 Sep

Roofing | Pitched | Replacement (Partial & Full)

Trefriw - LL27

Enquiry from: Eifion T

Start Date: Immediate

Customer is looking for Tile Roof replacement quotes. They are unsure of options so would like to discuss. Confirmed interest via Customer lives in Trefriw area Please call to arrange an appointment

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16 Jun

Roofing | Flat | Repair

Caernarfon - LL55

Enquiry from: Jack P

Start Date: Less than one month

Job Type: New Roofing Building Type: House Urgency: Within a month Postcode: *** Flat roof needs replacing, and new guttering and fascias need installing

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03 Mar

Chimney Sweeping

Caernarfon - LL55

Enquiry from: Yvonne M

Start Date: Immediate

Flue and Chimney sweep x2 replace fire worn and broke fire bricks

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27 Feb

Roofing | Pitched | Repair

Blaenau Ffestiniog - LL41

Enquiry from: Andrew G

Start Date: Immediate

Initially, we are in need of someone who could remove a loose TV aerial off our slate roof in Trawsfynydd (***). But also, subject to quote, someone to look at fixing gutters.

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21 Feb

Roofing | Pitched | Replacement (Partial & Full)

Bangor - LL57

Enquiry from: Fawaz D

Start Date: Immediate

One slate replacement. Accessible from front garden. Pictures cam be provided.

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21 Feb

Roofing | Pitched | Repair

Caernarfon - LL55

Enquiry from: John R

Start Date: Immediate

Flashing between conservatory needs replacing. Rain Leaks into conservatory

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06 Jan

Cleaning | Gutters

Bangor - LL57

Enquiry from: Janet T

Start Date: Immediate

gutter cleaning ....middle of block of 4

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01 Jan

Roofing | Pitched | Replacement (Partial & Full)

Llanrwst - LL26

Enquiry from: Wendy R

Start Date: Immediate

Customer in Llanrwst area made an enquiry for Tile Roof replacement online. Please call to arrange an appointment to discuss options

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30 Dec

Roofing | Pitched | Repair

Llanfairfechan - LL33

Enquiry from: Lindsay M

Start Date: Immediate

A roof repair - water is leaking into top bedroom

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20 Dec

Roofing | Pitched | Repair

Blaenau Ffestiniog - LL41

Enquiry from: Nia M

Start Date: Immediate

Ridge has moved from the main building causing water to come into the conservatory and through one of the window panes

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12 Dec

Roofing | Pitched | Repair

Bangor - LL57

Enquiry from: Ian B

Start Date: Immediate

Sort out sagging gutters front and back. Check for damaged or missing slates, and check for any necessary repairs to ridge tiles

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04 Dec

Windows | Velux

Caernarfon - LL55

Enquiry from: Robert E

Start Date: Immediate

A small sky light replacing on our lean to garage roof. Fixed will suffice as we never open it. Access easy from outside but not from inside.

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29 Oct

Cleaning | Gutters

Blaenau Ffestiniog - LL41

Enquiry from: Frank S

Start Date: Immediate

Roof gutters needs cleaning

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19 Oct

Roofing | Pitched | Replacement (Partial & Full)

Conwy - LL32

Enquiry from: Sarah E

Start Date: Immediate

Small Project - An outdoor kids den roof - Area of length 1190mm, width 590mm and the depth of the roof tray is 35mm.

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04 Oct

Windows | Velux

Bangor - LL57

Enquiry from: Robert L

Start Date: Immediate

Interested in a sun tunnel either through the roof or the wall

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How much do Roofer services cost?

How much do Roofers cost? Costs for Roofers in 2026 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 Dolwyddelan is:

£1,908

Roofer job Roofer cost in 2026
Velux windows in Dolwyddelan £675-£1,035
Tile or slate roofing in Dolwyddelan £4,000-£8,725
Flat roof in Dolwyddelan £1,844-£6,094
Commercial roofing in Dolwyddelan £2,325-£4,125
Flat roof repair in Dolwyddelan £800-£1,250
Gutter cleaning in Dolwyddelan £63-£133
Tile roof repairs in Dolwyddelan £510-£1,205
Chimney sweeping in Dolwyddelan £75-£115
Roof cleaning in Dolwyddelan £1,090-£1,810
Sun Tunnel in Dolwyddelan £700-£1,000

Related Roofer searches in Dolwyddelan

Roofer FAQs

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 long should a flat roof last?

It depends on the material you use, but if your flat roof is installed correctly it should last for at least 10 years, and at least 20 if a material other than felt is used. Always question a roofing company when they quote to find out what materials they use and what guarantee's they offer.

How to repair a flat roof?

How to repair a flat roof depends on the type of flat roof you have. We’ll talk about how to repair felt, asphalt, fibreglass and EDPM flat roofs yourself. But ultimately if you want the best finish, it’s best to ask a professional to repair your flat roof for you. Repairing a flat roof Whether you’ve got an old pour-and-roll type felt roof or a newer torch-on felt flat roof, you can get cracks, lifting around joints, leaks or dips. As a temporary measure, you can buy a special paint that you paint over cracks. For a more permanent repair, you can add a patch of torched-on felt or add a layer on top. Asphalt flat roof repair As your asphalt flat roof gets older, you may notice blisters, cracks or shrinkage and sagging around flashings. Again, you can use a paint on fix from a tin as a temporary repair, or add heat-applied flashing tape around flashing. For a more permanent fix you can use a liquid system, but many are only available to the trade market. You can also add a patch of torched-on roofing felt over a crack. How to repair a fibreglass (GRP) flat roof Fibreglass flat roofs are usually excellent, but problems can involve leaking flashing and cracks near upstands, trims or board joints. You can add acrylic sealant to cracks or holes for a good DIY repair, but a flashing problem is more difficult to fix. You’ll need to clean and sand the affected area of flashing, then laminate a 600g chopped strand mat into place, cure it and add a topcoat colour to match the roof. That sounds like a job better left to a specialist. EDPM rubber flat roof repair Rubber roofs often suffer from shrinkage when mechanical fixings haven’t been used near upstands, flashing leaks or holes or cuts. If you’ve got a small tear that you want to repair, you can add some lap sealant to the area – but use it sparingly. For a more permanent repair to flashing, buy some self-adhesive flashing that will mould into shape easily. Clean the area you want to repair, add EDPM primer, then stick the patch of flashing on from the centre outwards with a hard roller. You can add lap sealant around the edges if you want more protection from water.

how often should gutters be cleaned?

Yes, it’s a dirty job, but every homeowner out there has got to do it! Your gutter needs to be free of dead leaves, birds’ nest and other debris as well as being through clean in order to perform its functions effectively. It’s just a part of the responsibilities that comes with owning a home. Dry leaves, tree branches and other materials build up in your gutters overtime especially during the dry summer and you won’t notice until the point where your gutters start overflowing during the first main rain of the season.

 

In the event whereby your dirty and clogged gutter is left unattended to, this can lead to several issues like a leaky gutter and mold, leaky roof and basements,cracked foundation, driveway and yard damage and several more which will definitely make you incur more unnecessary expenses. So the question is, how often should the gutters be cleaned? The answer is, it depends. According to several experts, gutters should be cleaned at least twice a year - which is once in the late spring and once in the late summer or early fall. However, there are a couple of factors that may make you have a rethink.

 

If you happen to have a pine tree growing above your house, it’ll be wise to consider inspecting your gutters every 3 months. This is because pine trees shed needles year-round and they usually have a lot of these needles to shed. In the situation whereby you’re located at a higher elevation, ice is will most likely be your greatest source of concern. Making sure that your gutters remain clean throughout the winter can be quite a headache, but damage to your roof cause by ice can be an even greater pain. Prevention is always better than cure.

Why do commercial buildings have flat roofs?

There are a few reasons why commercial buildings often have flat roofs. Lots of people argue that flat roofs aren’t as attractive as pitched roofs, which is why it’s uncommon to see a residential property with an entirely flat roof. Lots of commercial buildings don’t need to look attractive, so go for flat roofs because they’re cheaper.

Flat roofs tend to be less expensive than pitched roofs, especially for large, broad commercial buildings. Some commercial buildings simply couldn’t have a pitched roof because their width would mean that the roof would have to be extremely high. Flat roofs are also cost-effective for commercial buildings because it means that air conditioning and ventilation units can go on the roof, saving space in and around the building.

Commercial buildings also often have flat roofs because they don’t need the loft space that residential properties need. If there’s no need for the space, it doesn’t make sense to spend more money on a pitched roof just to keep the attic space empty. Flat roofs also give the commercial building owner the opportunity to use the space as a smoking area for employees or give access to fire escapes to upper floors.

If you’re having a commercial property build, make sure you speak to the experts about the type of roof that is suitable for you. If you’re planning on having air conditioning or ventilation systems installed within the property, you might be best off with a flat roof – but if you need some extra storage space, a pitched roof might work best for you.

What is a Velux window?

A Velux window is a brand of roof window, but the brand is so popular that people often use the name to describe the entire type of window. They are windows that are installed at the same orientation and ‘in plane’ with the surrounding roof, and they’re usually installed at a minimum of a 15-degree pitch. You can buy roof windows that offer completely frameless internal views for a really clean look in your loft conversion, while some come with built-in shutters.

Velux windows aren’t to be confused with rooflights which usually refers to a glazed unit that’s installed on a flat roof. It might also mean a window that’s been installed on a pitched roof out of plane with the level of the tiling.

People also confuse roof windows with skylights, which normally can’t be opened or closed and are usually smaller than Velux windows. Skylights, therefore, only let daylight into the room whereas roof windows also help with ventilation.

If you’re using your loft as a room in your home rather than simply for storage, you must have a roof window installed. Skylights won’t be enough as they don’t allow for ventilation. It doesn’t have to be a Velux window – it can be any type of roof window. Luckily, they tend to come in standard sizes and they must be CE marked if they’re sold as a roof window, so they should be easy to find.

What is commercial roofing?

Commercial roofing simply refers to any roofing work, including installation and repair, that is done to commercial buildings. This might include office roofs, shop roofs or commercial unit roofs. Every building needs a roof to keep out the rain!

Since looks aren’t usually the first priority with commercial buildings, lots of commercial properties have flat roofs. These are often made from felt, EDPM rubber or fibreglass. Felt is the cheapest commercial roofing material, while fibreglass tends to be the most expensive. In felt roofs, roofers use an adhesive to stick roofing felt onto a frame. EDPM rubber roofs have a rubber membrane that is laid down and glued onto the roof and coated with a contact adhesive, while fibreglass uses a cut glass fibre mat that is pressed on before a resin and topcoat are applied.

Not all roofing companies will offer commercial roofing services, because generally the buildings tend to be bigger. Small companies won’t have enough tradespeople to work on a roof without making it very expensive for you. Commercial buildings also tend to need more scaffolding to make it safe for the professionals to work, so some smaller roofing companies won’t offer commercial services. Make sure you check a company’s website or social media if you’re looking for commercial roofing – on the Quotatis Directory, our roofers will show whether they do commercial roofing to make your search easier.

How to fit a velux window into a slate roof?

Fitting a Velux window into a slate roof is very similar to the way you’d install it in other roof types. All roof windows, whether a Velux-branded one or not, will come with detailed instructions for you to follow if you want to have a go at fitting it yourself. But here are some brief instructions to give you an idea of what’s involved in installing a Velux window into a slate roof:

  1. After you’ve removed the Velux window from its packaging, remove the sash (the part that opens) from the frame, according to the manufacturer’s instructions.
  2. Next, you need to prepare the opening for the window. You can often cut through the felt, remove one of the battens from under a slate, then slide all the slate tiles into the roof space. You should then make the cut 40-60mm wider than the window, cutting away roof timbers then replacing them with more around the opening to strengthen it.
  3. The roof window’s bottom brackets need to be installed on one of the existing battens for the slate roof. One of the slate courses should line up 105mm below the top edge of the batten you use.
  4. Then, measure from the top edge of the batten upwards to the height of the window plus 45mm. This is where the top installation batten should be installed, with an overhang of 100mm on each side.
  5. Remove the course of slates below the window, trim any excess felt and fold it over the surrounding timber. This helps with waterproofing.
  6. Add the insulation collar according to the Velux window manufacturer’s instructions.
  7. Place the frame in the opening, adding the brackets according to the instructions. You’ll find that lots of roof windows have pre-drilled holes to make it easy for you.
  8. Replace the sash and line up the hinges. Take a look at the opening at the bottom between the sash and the frame – it should be even along the entire width. Remove the sash again to fix the upper brackets according to instructions.
  9. Add the underfelt collar for your roof window as instructed by the manufacturer, then replace any slates at the bottom. You might need to cut them to size.
  10. Next, add the flashing according to the instructions, along with any parts that are not yet attached, including the hood section and top flashing piece.
  11. Replace all the slates around the window, allowing 60-100mm of space between the course of slates above the window and the top of the window to allow for rainwater drainage. Then replace the sash into the frame again.
  12. Add the vapour barrier on the inside of the window using the screws provided, then tape it to the existing vapour barrier to prevent moisture from reaching your roof structure.

And that’s it! If you think that sounds a bit complicated, ask a roofer or window installer to fit your roof window into a slate roof for you. You’ll get a better finish and you can be sure that you won’t get any leaks from a botched installation.

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