Griffiths Gas Ltd
SWANSEA, West Glamorgan
Checkatrade member since September 2023
Services
- Gas Boiler Installation
- Gas Central Heating Installation
- Gas Safety Checks - CP12
- Gas Cooker Installation
- Gas Boiler Servicing / Repair
- Smart Thermostats
- Emergency Central Heating Repair
- Gas Central Heating Servicing / Repair
- General Plumbing
- Radiator Installation
- Water Leak Detection
- Shower Installation
- Power Flushing
- Plumbing Repairs
- Water Mains Specialist (Pipe Replacement, Moling and Lead Pipes)
- Water Pumps Installation
- Tap Repair
- Blocked Sinks
- Blocked Baths
- Blocked Toilets
- Pipe Fitter
- Emergency Plumber Service
- Bathroom & Kitchen Plumbing
- Radiator Repair
- Radiator Thermostat Valve Installation
- Radiator Thermostat Valve Repair
- Shower Repair
- Water Pumps Repair
Customer Reviews
Write a review9.88 /10
Based on 25 reviews over the past 12 months
Quality of work
9.92
Reliability
9.88
Communication
9.84
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently praise this tradesperson as professional, knowledgeable, and reliable, often highlighting their punctuality and good communication. Reviewers also frequently mention their friendly service, efficient work, and reasonable pricing.
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Checkatrade is not responsible for the summary or the opinions in it. For more information, please read the reviews themselves and learn more in our reviews policy.
Reviews (111)
- RROBERT H
9.67 Replacement thermostat receiver
Posted 3 days ago
Great, he arrived on time in the specified slot he gave and was very knowledgeable and finished the job without any problems. It is the second time I have used this firm and found him to be reliable and prompt.Verified reviewerJob location: SA3 - DDavid L
9 Reasonable price, professional and knowledgeable
Posted 3 days ago
Great job, very professional and knowledgeable and reasonable cost. So pleased I had him do another job for me. Yes I would recommend him.Verified reviewerJob location: SA5 - JJanine H
10 Nest Thermostat Removal prior to house sale.
Posted 03 June
Excellent, would highly recommend. Quoted quickly, good communication, arrived on time, work completed promptly, no mess and great price for the work.Verified reviewerJob location: SA2Response from Griffiths Gas Ltd
Thank you for your review Janine, really appreciate it
- LLeonie E
10 Old pipework leaking
Posted 28 May
Great experience, he was quick, knew exactly what was wrong just from the description, and very friendly as well. Thanks for helping me out so quickly and efficientlyVerified reviewerJob location: SA12Response from Griffiths Gas Ltd
You’re very welcome, thank you for taking time to review 🙂
- EEmma C
10 Gas boiler service
Posted 03 April
Good communication from the onset. Polite and respectful and on time. Would definitely recommend.Verified reviewerJob location: SA7Response from Griffiths Gas Ltd
Thank you Emma for your kind review
- SSelene V
10 Smart thermostat installation
Posted 01 April
Job location: SA1Excellent service, would definitely recommend. They replied really fast to all our queries, provided us with the most competitive quote, and did a great job on the day.
Photos
Company Info
Owner
Mr Darryl Griffiths
Ltd Company
3 years on Checkatrade
VAT Registered
Yes: 319200338
At Griffiths Gas safety is always our number one priority. We always strive to deliver customer satisfaction through the very best professional service and the highest level of workmanship.
You can trust us to deal with a fresh installation, servicing existing appliances or carrying out maintenance and or repairs after a breakdown.
Our core values?
- Clarity and transparency – we believe being honest goes a long way and builds strong customer relationships. What we quote is what you pay, not a penny more.
- Friendly service – no grumpy plumbers here.
- Customer satisfaction – our aim is to finish the job, where everyone is happy before, during and in the end.
- Tidiness – we value customers’ property and will always leave the job clean and tidy.
- Quality workmanship – we don’t take shortcuts and all the jobs are carried out by the highest standards and best practices possible.
Whether it’s helping you to choose the perfect boiler matching all your requirements or a tap replacement, we’ll be there to help.
Accreditations and awards

This trade passed up to 12 Checkatrade vetting checks
Member since September 2023
Individual checks
Identification
Proof of address
Financial
Qualifications and accreditations
County court judgement
Open source media
Business checks
Customer Reviews
Company trading history
Company duplication
County court judgement
Enhanced business check
Director checks
