Electrics & Gas — Know What You’re Dealing With
Peter is back for this one — and if the plumbing section was the place for practical DIY guidance, this section comes with a slightly different emphasis. Electrics & gas are the two areas of a home where the consequences of getting things wrong go well beyond a flooded kitchen or a dripping tap. Done badly, electrical and gas work kills people. Peter does not say that to frighten anyone — he says it because after twenty years in the trade he has seen enough to know that it is simply true.
That does not mean there is nothing useful here for a homeowner. There is plenty. Understanding how your home’s electrical and gas systems work, knowing what the warning signs of a problem look like and being clear on what you can safely do yourself are all genuinely valuable — and that is exactly what this section covers. What it also does, consistently and without apology, is tell you clearly where the boundary is between informed homeowner and qualified professional. Peter will never leave you guessing about which side of that line a job sits on.
Understanding Your Home’s Electrics
Most homeowners have a consumer unit — a fuse board — somewhere in their home and a reasonable idea of what it does in general terms. Beyond that things get hazy fairly quickly. Peter covers the fundamentals of domestic electrical systems in plain English — how your consumer unit works, what the different circuit breakers and RCDs protect, how ring main circuits are arranged, what an earthing system does and why it matters, and how to read the basic signals that tell you something in your electrical system needs attention.
Understanding your home’s electrics does not make you an electrician. It makes you a better informed homeowner — someone who knows when to act, what to tell a professional and what questions to ask when someone is doing electrical work on your property.
What You Can Safely Do Yourself
Not all electrical work requires a qualified electrician and Part P of the Building Regulations sets out clearly what homeowners can and cannot do without certification. Peter explains the permitted work rules in straightforward terms — covering the jobs that fall within what a competent homeowner can legally and safely tackle, including replacing like-for-like sockets and switches, changing light fittings in most rooms and replacing a faulty consumer unit component on a like-for-like basis.
The emphasis is always on competence as well as legality. Just because something is technically permitted does not mean it is wise to attempt it without confidence in what you are doing. Peter will always tell you when a job that is theoretically DIY-able is in practice better left to someone with the tools, the testing equipment and the experience to do it safely and correctly.
What Requires a Qualified Electrician
New circuits, consumer unit replacements, any electrical work in a bathroom or kitchen, work near a shower or bath, installing outdoor electrics, adding sockets or lighting points — all of this falls under notifiable work that must be carried out by a registered electrician who can certify the installation to current standards. Peter explains each category clearly so there is never any ambiguity about which side of the line a job sits on.
When you do need an electrician, Peter also covers what to look for — what NICEIC and NAPIT registration means, what an Electrical Installation Condition Report is and when you need one, and what any competent electrician should provide on completion of notifiable work.
Electrical Safety in the Home
Beyond the work itself, Peter covers the practical side of electrical safety that every homeowner should understand. Recognising the warning signs of an overloaded circuit, understanding what a tripping RCD is trying to tell you, knowing when a consumer unit is genuinely past its safe working life, identifying dangerous wiring in older properties and understanding the risks of extension lead misuse — straightforward, potentially life-saving information presented without drama but with absolute clarity.
Understanding Your Gas System
Gas is the area of this site where Peter is at his most direct — because it is the area where the margin for error is smallest. A gas leak or a poorly installed appliance does not give you the kind of warning that a dripping pipe or a tripping circuit breaker does. Peter covers the fundamentals of domestic gas systems — how gas gets into your home, where your emergency control valve is and how to use it, what a gas meter installation should look like and the basic checks every homeowner should carry out regularly on their gas appliances.
Finding your emergency control valve and knowing how to turn it off takes thirty seconds. Every person in your household should know where it is.
Gas Work — There Are No Grey Areas
All gas work in the UK must be carried out by a Gas Safe registered engineer. Not a general builder. Not a plumber who used to do gas work. Not someone who learned on the job. A Gas Safe registered engineer — full stop. This is not a technicality or a box-ticking exercise. It is a legal requirement that exists because improperly installed gas appliances cause carbon monoxide poisoning, fires and explosions.
Peter does not hedge on this. If a job involves gas pipework, gas appliances, boiler installation, flue work or any other element of a gas system, the conversation ends with the same answer — get a Gas Safe registered engineer. You can check any engineer’s registration at any time on the official Gas Safe Register website.
Carbon Monoxide — What Every Homeowner Must Know
Carbon monoxide is produced by the incomplete combustion of gas, oil, wood and other fuels. It is colourless, odourless and at sufficient concentrations it is fatal. Every home with gas appliances should have at least one audible carbon monoxide alarm fitted in accordance with the manufacturer’s guidelines — ideally one on each floor where there is a gas appliance. Peter covers CO alarm placement, testing, what to do if an alarm sounds and the symptoms of carbon monoxide exposure that every homeowner and every member of their household should be able to recognise.
This is not scaremongering. It is information that saves lives and takes five minutes to read.
Boilers & Heating Systems
Peter covers boiler maintenance, servicing and the most common boiler faults from the homeowner’s perspective — what annual servicing involves and why it matters, what the fault codes on a modern boiler are trying to tell you, how to repressurise a combi boiler safely, what a power flush is and when a heating system needs one, and how to get the most efficient performance from a central heating system day to day. All of it within the clear understanding that any work on the boiler itself is Gas Safe territory and nothing in this section changes that.
Browse All Electrics & Gas Articles
All of Peter’s electrical and gas articles are below. Read them, share them and use them to make better decisions about your home — safely and with a clear understanding of where your involvement should begin and end.