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Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat

Linda

Andy was super fast getting touch, provided a great service at a reasonable price and kept me well appraised of all aspects of the job throughout. I am very happy with the service provided and would highly recommend him.

James

Lee and his team worked incredibly hard and communicated well to let us know when they would be doing the work. They were always professional and courteous and often worked on weekends to speed up the work. We are really pleased with the quality of the finish and would thoroughly recommend the company.

Ian

Browse reliable Loft Conversion Specialists in Porthmadog

Take a look at rated Loft Conversion Specialists serving Porthmadog, read reviews and submit your job for free.

Hi I'm Charlie from boss roofing.boss roofing is a family run business and is a full service company meeting the roofing needs of commercial, industrial and multi-residential customers. We are proud to be able to offer services ranging from re-roofing to 24 hour emergency repair service. We are fully Insured.

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Reviewed by Marc on 29/1/2020

Very good job, extremely prompt and a good price.

A. Gallagher & Son provide services across North and Mid Wales and the North West. We employ only local specialist tradesmen for slating, tiling, flat roofing, lead work, fascia and gutters and solar PV. We are able to take on works of any size to the most complex designs and specifications. Our Roofing Services Include: New Roofs Roofing repairs Re roofing Slate and materials Solar panels Other general building Get FREE quotes and friendly service. Members of National Federation of Roofing Contractors Velux approved installers We believe high quality standards of work is an essential key in the companies growth and development.

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Reviewed by MALCOLM on 6/5/2025

Up+Above Roofing is a reputable company that specialises in roofing and leadwork. We have gained an enviable reputation for our high-quality workmanship and professionalism.

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Reviewed by Claire on 1/8/2025

Adam came around very quickly and was clear about the issues. He scooted up the ladder straight away - gave me a quote and got the job done in the same day. He was super polite He also sent on photos so I could see the before and after. Am waiting for it to rain now so I can see the success!

All aspects of decking and balustrades. Timber, plastic or composite decking specialists. Glass panels or plastic handrails, stainless steal or frameless channel.

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Reviewed by Sarah on 24/7/2022

Karl was very professional keeping me updated with every detail. Quality of workmanship is excellent, would highly recommend for any decking work.

At P.E.P Construction ltd, we offer a wide verity of service in the construction sector, from anything as small as you can think to as big as you want and as high end From groundwork’s to Extention all the way to new builds look no further, we have a team of trades all under one roof l, with a professional and friendly service start to finish look no further

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Reviewed by damian on 5/12/2024

Experts in refurbishment & replacement of traditional sash windows, hinged casement windows and doors At Sash Window Solutions, we believe that every sash window tells a story — and we’re here to preserve it with care, skill, and precision. As specialists in the restoration and replacement of timber windows & doors, we combine traditional craftsmanship with modern energy-saving innovations to bring timeless elegance back to your home. With decades of experience in traditional joinery and a deep respect for architectural heritage, our team is dedicated to delivering exceptional sash window refurbishment and replacement services. Whether we’re meticulously refurbishing original timber frames or handcrafting bespoke replacements, we treat every project with unrivalled attention to detail and care. Our goal is to retain the authentic charm of your property while improving performance, comfort, and longevity. What truly defines us is our dedication to exceptional customer service. From your first inquiry to the final detail, our team is committed to understanding your unique needs, respecting your home, and delivering a seamless, hassle-free experience. We pride ourselves on clear communication, honest advice, and going the extra mile — because we know that great service is just as important as great results. At the heart of every solution we offer is a focus on energy efficiency. Our services include discreet double glazing, advanced draught-proofing, and the use of sustainable materials — all designed to enhance thermal performance, reduce energy bills, and create a warmer, quieter home. Whether you’re restoring a single sash or upgrading an entire property, Sash Window Solutions delivers craftsmanship you can trust and results you’ll love.

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Reviewed by Sally on 15/9/2025

Family run business 18 years experience double glazing Conservatory repairs All double glazing services & repairs Awning installations & services Any roof repairs & re roofs Locks Full timber window refurbs Sash window refurbs Very reliable

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Reviewed by Martin on 4/12/2025

We are a landscape and home improvement company and cover north, west wales and the Midlands. We specialise in all hard and soft landscaping. We aim to carry out professional work with nptc qualifications for any arb work and over 20 years home improvement experience in the team.

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Reviewed by James on 3/5/2022

Excellent service. Shaun was very communicative, and made sure the job was done well. Definitely recommend.

Friendly business that covers all building work over North Wales, we take pride in our work and all work are done to a top standard

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Reviewed by Margaret on 31/10/2025

Iwan was brilliant and is coming back next week to do further work. He was punctual, professional, cheerful and friendly. I would definitely recommend him.

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Reviewed by Paul on 15/9/2020

Great tradesperson.

GMS avatar

GMS

Loft Conversion Specialist

Gareth, the proprietor of GMS is a qualified wood machinist by trade and has over 25 years’ experience working within the construction industry. Gareth first started the business in 2005 with a view to provide clients across North Wales and Cheshire with kitchens. In the last 10 years the business has diversified and now accommodates a scheme of works within construction from kitchens to bathrooms, gardens to bedrooms, fire and flood damaged properties and more. Gareth employs several staff and subcontracts to NICEIC registered Electricians and GAS SAFE registered gas engineers. Therefore, GMS can offer project managing and the client only needs to converse with one trade [GMS] rather than multiple. Thus, taking the stress out of the job.

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Reviewed by Mark on 23/2/2018

Great communication and work carried out to a high standard.

A bespoke joinery and restorations company with 25 years experience. We specialize in the supply or restoration of traditional sash windows and staircases. Epoxy coatings for windows to stop all rot, ten year guarantee. All restoration work undertaken.

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Reviewed by David on 25/7/2024

Very polite and absolutely first class job. Many thanks.

Here at N e construction we do a range of work from big to small , building to landscape work , general maintenance , painting an a general tidy up,

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Reviewed by Gwion on 11/11/2021

Great guys

We cover all building and joinery work ,we do a good tidy job at a fair price

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Reviewed by Mandy on 12/11/2025

Great correspondence and quote

Celtic Heritage is an established company with over 30 years experience in the construction and double glazing industry. We benefit from a level of knowledge which enables us to give in depth, and valuable advice to our clients.

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Reviewed by Lee on 5/12/2017

Great company and a good team of Lads.

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Reviewed by Cheryl on 27/7/2024

They ruined my kitchen cut holes where there didn't have to be holes I'm disabled and stuck ìn bed They left me with no water or electricity an noway to cook for a week in this heat I've had to buy new cupboards an pay à plumber electrician an joiner as well to fix there mess if I could give them no star I would

Hi & Welcome to The LOCAL Gas Engineers The LOCAL Gas Engineers have been established since 1994. We are open 7 days a week for all types of Gas jobs, services, problems, and repairs Call now to have one of The LOCAL Gas Engineers come out to you at a time that suits you. We're here, ready to take your booking to get one of The LOCAL Gas Engineers out to fix any of your jobs, services, problems, or repairs We only use LOCAL Gas Engineers who are LOCAL to you as they know the area and can get to you at the time of your convience. The LOCAL Gas Engineers are made up of expertly skilled LOCAL Gas Engineers, we are a well established LOCAL Gas Repairs company with an enviable reputation built over the last 30 years for any kind of jobs, services, problems and repair that you need doing so they can get you back to normal fast. We have a trusted LOCAL Gas Repair brand, made up of an outstanding LOCAL Gas Enginers that complete excellent work which is second to none. Call us we take phone bookings 7 days a week 8am to 6pm to get you booked in at a time of your convience, however from time to time we may need to alter an appointment time but we will always let you know so you can get on with your day. Thank you for taking the time to read about us, and we look forward to helping you with any jobs, services, problems, or repairs you may need. Regards, The LOCAL Gas Engineers

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Reviewed by Susan on 20/12/2024

The .an ca.e to my home address in Cornwall and quoted £180. I thought this wS really too much.

established in Corby , Northamptonshire to provide professional services to both the domestic and commercial clients.We are offering wide range of services specializing on bathroom refurbisments mainly. Contact us today for free no obligation quote

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Reviewed by bin-abdullah on 21/7/2023

they made an appointment to come and see me but did not turn up

Would you all kinds of roof repairs gutter repairs cleaning gutters alter alter building over cause fully guaranteed

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Reviewed by Baiba on 27/8/2024

From slipped tiles to repairing storm and wind damaged roofs, we’ve got you covered. Our small professional roofing team are fully qualified and highly skilled, and they can quickly assess your roof repair or replacement requirements and suggest the most suitable economical solutions.

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Reviewed by Gail on 9/10/2025

Don’t really want to give a star, my budget was under £250 they wanted £350 to clean a gutter less than 10m in length my gutter is still blocked and I’ve had to hire someone else to do the job which cost £60 for the front and the back rather than the rip off £200 I was charged by these guys I won’t be using them or rated people again

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