Blog
Cardiff plumbing, heating & electrical advice
Straight-talking guides from a Cardiff Gas Safe engineer — what to check, what things cost, and when to pick up the phone.
Boilers
Boiler Not Working in Cardiff? 7 Checks Before You Call an Engineer
A Cardiff Gas Safe engineer's checklist for a boiler with no heating or hot water — pressure, condensate, thermostats and when to stop and call PHBLUE.
28 July 2026 · 6 min read
Boilers
How Much Does a New Boiler Cost in Cardiff?
A plain-English guide to new boiler costs in Cardiff — what changes the price, combi conversions in older houses, and what a fair fixed quote includes.
14 July 2026 · 7 min read
Landlords
Landlord Gas Safety Certificates (CP12) in Cardiff: What You Must Do
Cardiff landlords' guide to the annual gas safety check — what's inspected, the rules under Welsh renting law, penalties and how to book a CP12.
30 June 2026 · 5 min read
Emergency
Burst Pipe in Cardiff: What to Do in the First 10 Minutes
Step-by-step emergency guide for a burst pipe or major leak in a Cardiff home — finding the stopcock, limiting damage and getting an emergency plumber fast.
16 June 2026 · 4 min read
Heating
Radiators Cold at the Bottom? Sludge, Power Flushing and Cardiff Hard Water
Why Cardiff radiators go cold at the bottom, what power flushing actually does, and whether a magnetic filter is worth fitting.
2 June 2026 · 5 min read
Bathrooms
Bathroom Installation in Cardiff: A Realistic Step-by-Step Timeline
What actually happens week by week during a Cardiff bathroom installation, from strip-out to final seal, plus wet room and small-bathroom advice.
19 May 2026 · 7 min read
Boilers
No Hot Water But Heating Works? Here's What's Usually Wrong
Diverter valves, thermistors and cylinder faults explained — why Cardiff homes lose hot water while the radiators stay warm.
5 May 2026 · 5 min read
Boilers
Is an Annual Boiler Service Worth It? A Cardiff Engineer's Honest View
What's actually done during a boiler service, what it costs you to skip it, and how servicing protects your manufacturer warranty in Cardiff homes.
21 April 2026 · 5 min read
Electrical
Do You Need a Consumer Unit Upgrade? Cardiff Homeowner's Guide
Old fuse boxes, RCD protection and EICR reports explained for Cardiff homeowners and landlords — when an upgrade is genuinely needed.
7 April 2026 · 5 min read
Emergency
Stop Frozen Pipes This Winter: Cardiff Cold-Snap Checklist
How to protect pipes, boilers and empty properties from freezing in Cardiff, and what to do safely if a pipe has already frozen.
24 March 2026 · 4 min read
Advice
How to Choose a Plumber in Cardiff (and Avoid the Cowboys)
Gas Safe checks, quotes vs estimates, deposits and the warning signs Cardiff homeowners should watch for when hiring a plumber or heating engineer.
10 March 2026 · 5 min read
Plumbing
Low Water Pressure in Your Cardiff Home? Causes and Fixes
Why water pressure drops in Cardiff houses — shared supplies, old lead mains, blocked filters and failing PRVs — and what can be done about each.
24 February 2026 · 5 min read
Heating
Smart Thermostats: Do They Actually Save Money in Cardiff Homes?
An honest look at smart heating controls, TRVs and zoning for Cardiff households — where the savings come from and where they don't.
10 February 2026 · 5 min read
Boilers
Unvented Cylinder or Combi Boiler? Choosing for a Cardiff Home
Combi vs system boiler with an unvented cylinder — how many bathrooms, water flow rate and space decide the right choice for your Cardiff property.
27 January 2026 · 6 min read
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