Pitched roofs in slate and tile are our main work, plus flat roofs in EPDM rubber and fibreglass with 25-year guarantees, full rendering, cladding, PVC windows and doors, and lime pointing. We also do loft conversions, extensions, new builds, all drainage, and landscaping. Ring Mike: a family team of a father and his two sons, based in Gaerwen and covering the whole of Anglesey, Gwynedd and Conwy.

Roofing is our main work, and most of what we do is on the outside of the house: roofs, render, cladding, windows and doors, and stone pointing. We also do loft conversions, extensions and new builds, and all drainage including manholes and soakaways. Our landscaping covers block paving driveways, patios and paths, fencing and gates, and decking and entrance steps. Further down is the other work we take on.
Pitched roofs are our main work. Slate or tile, we strip, re-cover and repair pitched roofs right across Anglesey, Gwynedd and Conwy, the jobs that matter most when the weather comes in off the Irish Sea.
More →We fit flat roofs in EPDM rubber and in fibreglass (GRP), with 25-year guarantees.
More →We render whole properties, chimneys included, so the outside of the house is finished in one go.
More →We do concrete capping and cement haunching, the finishing work that helps keep the weather out.
More →We clad houses in composite and in cement board cladding. The house in the big photo at the top of this site is one of ours: roofed in slate, with all the exterior walls clad.
More →We fit PVC windows and doors.
More →We point stone with lime-based mortar, or use the hot lime method for heritage buildings.
More →We do loft conversions, priced and built by the same family team: Mike and his two sons.
More →We build extensions and new builds, starting with a free visit and a written quote.
More →We do all drainage work, including manholes and soakaways.
More →We lay block paving driveways.
More →We do slab work for patios and paths.
More →We put up fencing and gates.
More →We build decking and entrance steps.
More →“No job too large or too complicated.”
That is how we put it on our own listing. Give us a call and we will come and visit within 48 hours, free of charge, and give you honest advice so you can make the right choice.
Photos from our own jobs: roofs, cladding, render, paving, decking, fencing and drainage.

















Every one of our 12 Google reviews is five stars. Rather than copy bits of them here, read them in full where they were left.
Read our Google reviewsBased in Anglesey, covering all of North Wales. Not sure if you are in our patch? Just ask.
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We give free, no obligation quotes and come out to look within 48 hours.
Rather talk? Mike on 07944 530611 or Liam on 07495 970726. Or email roofing.gr@icloud.com.
No. Quotes are free and there is no obligation. We aim to come out and see the job within 48 hours of you getting in touch.
We are a local, family run business: Mike and his two sons. The people who come and price the job are the people who do it.
Google lists us as open 24 hours, and our Yell listing says 6am to 7pm, seven days a week. Ring or WhatsApp Mike on 07944 530611, ring Liam on 07495 970726, or email roofing.gr@icloud.com. If we are up a ladder we will get back to you.
Roofing is our main work: pitched roofs in slate and tile. We also do flat roofs in EPDM rubber and fibreglass (GRP), full property rendering including chimneys, concrete capping and cement haunching, composite and cement board cladding, PVC windows and doors, and stone pointing in lime. We also do loft conversions, extensions and new builds, and all drainage including manholes and soakaways. For landscaping we do block paving driveways, slab work for patios and paths, fencing and gates, and decking and entrance steps. On top of that we take on lead and chimney work, fascias and guttering, repairs, renovations, gardens and driveways.
Block paving driveways, slab work for patios and paths, fencing and gates, and decking and entrance steps.
Yes, all drainage, including manholes and soakaways.
Yes. Our EPDM rubber and fibreglass (GRP) flat roofs come with 25-year guarantees.
Yes. We point stone with lime-based mortar, or use the hot lime method for heritage buildings.
We are based in Gaerwen and cover the whole of Anglesey, Gwynedd and Conwy, including Llangefni, Holyhead, Menai Bridge, Beaumaris, Amlwch, Bangor, Caernarfon, Pwllheli, Porthmadog, Blaenau Ffestiniog, Conwy, Llandudno, Colwyn Bay, Abergele, Betws-y-Coed and Rhyl. Not sure if you are in our patch? Just ask.
Yes. G&R Building and Landscaping Ltd is registered at Companies House, company number 12395953, since January 2020.