Gmsg Building Ltd

Location: Cardiff, Glamorgan
Member Since: 4th Sep 2020


  • Plasterers
  • Bricklayers
  • Roofers
  • Guttering Installers
  • Bathroom Fitters
  • Chimney and Fireplace Specialists

About Us:

GMSG BUILDING LTD is a family run business, we keep our standards high and like to produce quality work to the best of our ability. we specialise in both bricklaying & roofing. we also carry out all kinds of renovations & HMO property developments, extensions, groundwork’s and drainage.

we provide a 5 year guarantee on all works carried out.

we have over 35 years experience in the construction industry.

we take a lot of pride in our work and provide our customers with a high quality finish.


have been a bricklayer for the past 12 years, over this time I have learned a lot of hands on skills in the construction industry such as roofing both pitched and flat, UPVC facia & guttering, groundwork’s including all drainage, landscaping, plastering, renovations with HMO & private rentals and many more throughout the experience we have as a team.


Nvq lvl 2 bricklaying
Asbestos awareness
Lvl 3 carpentry
Health & safety lvl 1


7 reviews, 86% Positive
New bathroom fitting - Bathroom fitting job in Pontypridd

“good job of work , however not upfront with costs and radiator and sink continues to leek. Not returned as yet to resolve 7 weeks after the job has been completed”
Replace section of roof - Roofing job in Penarth

“GMSG replaced two small roofs. They were able to start work promptly and the quality of the work was very good. The roofs look fine. Lawson and the team were also very helpful when discussing issues and options. There was a moderate overrun in cost owing to the sharp rise in the cost of building materials recently. Nevertheless, I am very satisfied overall with the job done. ”
Water ingress above downstairs kitchen window - Brickwork job in Rhondda Cynon Taff

“Excellent work completed by Lawson, visited to inspect problem. Completed work, cleaned up afterwards and very professional. 5 stars and totally trustworthy Will use again and can highly recommend ”
fit a new cowl - Chimneys & Fireplaces job in Clydach Vale

“very efficient in his job and i was very pleased with his work he kept me informed of what was doing i would recommend him to anyone that wants his type of work ”
Clean and seal guttering - Drainage & Guttering job in Rogerstone

“Arrived carried out job as requested and advised me on problems found all in all good job done”
Re-plaster / paint lounge ceiling & replace bath tub fascia - Plastering job in Cardiff

“Communication throughout the job was great. I knew exactly what was going on, given clear information that helped me decide what to do when previous poor workmanship was unearthed. Bathroom repairs were completed in line with what was needed.”
Kitten ceiling and 2 walls plastering - Plastering job in Newport

“Excellent service turned up when he said and carried out the work in 1 day ”


Depending on the room temperature you should leave it around 18 to 24 hours. as you will be painting on a newly plastered wall/ceiling you should apply the same amount of water to the amount of paint used as the plaster will suck the moisture from the paint.

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