News, seasons and straight talk.
The Manifold blog covers gas safety, running a gas engineering business, and the odd bit of Manifold news. For the evergreen how-tos, see the guides.
Latest news from the blog
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Worcester Greenstar servicing: what keeps the guarantee valid
Worcester makes the yearly service a condition of the guarantee. Here is what that means on the tools, and what to keep on record.
Glow-worm data plate: where the serial number and GC number are
One plate, underneath. Here is where Glow-worm puts the serial number and the GC number, and which fields you actually need for the record.
Baxi data plate: where the serial number and GC number are
Baxi keeps it simple: the serial is behind the drop-down panel or on a pull-out tag. Here is where to look and what to record.
Vaillant data plate: where the serial number and GC number are
Two plates, two places. Here is where Vaillant puts the serial number and the data plate, and which fields you actually need for the record.
Where is the GC number and data plate on a Worcester Bosch boiler?
The GC number, the model and the serial all live on one badge. Here is where it usually sits on a Greenstar, and how to read it for the record.
Glow-worm Energy and Betacom4: which suits which home
The Energy is the range you fit today; the Betacom4 is the one you now service. Here is the short version, and what to read off the data plate before you quote.
Baxi 800 vs 600 vs Assure: which suits which home
Baxi's three domestic tiers suit three different jobs. Here is the short version, and what to read off the data plate before you quote.
Ideal Logic vs Logic Max vs Vogue Max: which suits which home
Ideal's three domestic tiers suit three different jobs. Here is the short version, and what to read off the data plate before you quote.
Vaillant ecoFit pure vs ecoTEC plus vs exclusive: which suits which home
Vaillant's three domestic tiers suit three different jobs. Here is the short version, and what to read off the data plate before you quote.
Worcester Greenstar 2000 vs 4000 vs 8000: which suits which home
The three main Greenstar tiers suit three different homes. Here is the short version, and what to check on the data plate before you quote.
Are gas boilers being banned? What the 2026 rules actually say
The short version: no ban on your boiler. Here's what is actually changing, what got quietly dropped, and what to tell customers who've read the headlines.
EPC C by 2030: what the MEES changes mean for landlords
The energy rules for rentals are firming up: EPC C by 2030 and a £10,000 cap. Here's the confirmed picture, minus the noise.
The Clean Heat Market Mechanism, explained for installers
You may have seen 'boiler tax' on an invoice. Here's what the Clean Heat Market Mechanism actually is, and who really pays.
Heat pumps and the gas engineer: threat, opportunity, or hype?
The heat pump debate runs hot. Here's a level-headed look at what it actually means for a gas engineer's business.
Carbon monoxide alarm rules for landlords: the law, the signs, and what to tell tenants
The carbon monoxide alarm rules aren't the same across the UK. Here's what's required where, and the signs everyone should know.
Making Tax Digital: what it means for self-employed gas engineers
Making Tax Digital has started for higher-earning sole traders, and the first quarterly deadline is 7 August. What it means and how to get ready.
The Renters' Rights Act and gas safety: what changes, and what the penalties are now
The big rental shake-up is here. Your gas safety duty is unchanged, but the consequences of getting it wrong are sharper.
Awaab's Law and private landlords: what's confirmed, what's coming
Awaab's Law is live for social housing. Here's what it means, and where private landlords actually stand right now.
Why January is the worst month for boiler breakdowns
The data backs up what every engineer already knows: January is peak breakdown season. Here's why, and how to beat it.
Gas engineer day rates in 2026: what to charge
What are gas engineers actually charging in 2026? The published numbers, the regional spread, and how to price your own day.
Gas Safe registration and ACS costs in 2026
The price of staying qualified, in plain numbers: this year's Gas Safe registration fee and what an ACS reassessment actually costs.
Get your rental properties winter-ready: a landlord's checklist
A short autumn checklist so your rentals go into winter safe, warm and compliant, not scrambling in December.
Frozen condensate pipe: the winter call-out you can prevent
The first hard frost brings a wave of no-heat call-outs, and a lot of them are the same simple, preventable fault.
Clocks go back: a good prompt to test your heating and alarms
A ready-made twice-a-year reminder to check the heating before you need it, and test the alarms that keep you safe.
Gas safety myths landlords still believe
Some gas safety myths are surprisingly sticky, and a few can land a landlord in real trouble. Here are the common ones, put straight.
A quarterly gas compliance checklist for letting agents
Across a portfolio, gas compliance is a rhythm, not a one-off. A simple quarterly routine that keeps every property covered.
New landlord? Your first 90 days of gas compliance
Becoming a landlord comes with a gas safety duty that starts before your first tenant moves in. A 90-day plan for getting it right from day one.
Paper vs app: an honest look at going digital for CP12s
A digital CP12 is just as valid as a paper one. The real question is whether going digital is worth it for how you work.
Buying a rental with gas appliances: what to check before you complete
A homebuyer survey won't tell you if the boiler's on its last legs. What to look at before you commit, especially if you're going to let it.
No heat at Christmas: how to prepare, and how to cope with the rush
The week between Christmas and New Year is peak no-heat season. A bit of prep saves everyone the worst of it.
Why we built Manifold offline-first
The loft, the basement, the cupboard under the stairs: half a gas engineer's day has no signal. Here's why we built for that first.
Product notes: a portal where landlords and agents see their gas certificates
A tidy, self-serve view of a customer's properties, appliances and certificates, so the resend-that-certificate calls stop.
From the tools: three analyser readings that made me stop and recheck
The analyser printout isn't just paperwork. Three readings from the tools that were worth stopping and rechecking for.
The £9,000 heat pump grant: what it means for gas engineers
From 21 July, off-grid oil and LPG homes can get £9,000 towards a heat pump. Here's the detail, and what it means for engineers.
Use the summer lull to get your gas business in order
The quietest weeks of the year are the ones to spend on the business, not just in it. Six things to do before autumn.
The landlord's mid-year gas-safety review: a 15-minute audit
Fifteen minutes now saves a scramble later. A simple mid-year audit of your rental properties' gas safety.
Manifold is now self-serve: start your free trial today
No more waiting for an invite. Start a free 30-day trial on your own jobs today, no card required.
Gas Safety Week 2026: a good prompt to get your renewals in order
The annual campaign is a useful nudge. Here's a five-minute way for landlords and engineers to use it.
Boiler service season is coming: get ahead of the autumn rush
The autumn rush is predictable, so it's beatable. How to spread the load before it hits.
The renewal rule that stops your CP12 dates drifting
A quirk of the rules, used well, keeps your renewal dates fixed year after year. Here's how it works.
Five gas safety mistakes landlords make (and the fix for each)
The slip-ups are common and every one is avoidable. Here are five, with the fix for each.














