Guides & advice
Know your boiler
What our engineers wish every London homeowner knew before replacing a boiler — sizing, boiler types, grants that do and don't apply, and how to tell a proper installer from a corner-cutting one.
Comparison · 3 min read
Combi vs. System Boiler: Which Is Right for You?
The most common boiler question we get isn't about brands — it's combi or system. Here's how to actually decide.
Read guideGrants & Schemes · 3 min read
Boiler Upgrade Scheme Eligibility Explained
The name is misleading for most people replacing a gas boiler. Here's what the scheme is actually for.
Read guideHomeowner Guide · 3 min read
Signs You Need a New Boiler
Not every boiler fault means replacement. Here's a genuinely useful way to think about repair versus replace.
Read guideBuying Guide · 3 min read
Combi Boiler Sizing Mistakes to Avoid
Choosing the wrong size combi boiler is a costly error; here's how to avoid the most common mistakes.
Read guideBuying Guide · 3 min read
Converting From an Oil Boiler to a Gas Boiler in London
Switching from oil to gas heating in London involves key steps like checking gas availability and safe decommissioning.
Read guideHomeowner Guide · 3 min read
Boiler Replacement in a Leasehold Flat: What Consent Do You Need?
Replacing your boiler in a leasehold flat often requires formal consent for flue position changes from your freeholder or management company.
Read guideComparison · 4 min read
Unvented Cylinders: Pros and Cons for a System Boiler Replacement
Discover the key differences, benefits, and considerations of unvented cylinders to inform your London home's system boiler replacement.
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Homeowner Guide · 3 min read
What the Benchmark Checklist Is — and Why It Protects Your Warranty
Your new boiler's warranty depends on more than just a Gas Safe certificate; the Benchmark checklist is the key document.
Read guideHomeowner Guide · 3 min read
Just Bought a London Property With an Old Boiler? A First-Time Buyer's Checklist
A practical checklist for new London homeowners to assess an inherited boiler, covering safety checks and when to consider a replacement.
Read guideComparison · 3 min read
Combi vs. System Boiler: Does It Matter If Your Home Is New-Build or Period?
The age and style of your property can be the deciding factor in choosing between a combi and a system boiler.
Read guideHomeowner Guide · 4 min read
What Actually Happens on Boiler Installation Day
A clear, step-by-step walkthrough of what to expect when your new boiler is fitted, from the engineer's arrival to system handover.
Read guideHomeowner Guide · 3 min read
Gas Safety Certificate vs. Boiler Warranty: Not the Same Thing
Many homeowners confuse a Gas Safety Certificate, a Gas Safe registration, and a boiler warranty, but they are three very different things.
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Homeowner Guide · 4 min read
Boiler Replacement for Landlords and HMO Properties in London
A guide for London landlords on key considerations for boiler replacement in rental properties and HMOs, covering system choice, tenant disruption, and legal obligations.
Read guideHomeowner Guide · 4 min read
Do You Need a Power Flush Before a New Boiler?
Find out if you need a power flush before a new boiler installation and why it matters for your system's health.
Read guideBuying Guide · 4 min read
Is It Worth Fitting a Smart Thermostat With a New Boiler?
A smart thermostat can enhance a new boiler's efficiency, but it cannot solve fundamental heating system problems.
Read guideBuying Guide · 4 min read
Moving Your Boiler During a Kitchen Renovation or Loft Conversion
Moving your boiler during a renovation is more complex than a simple swap. Here’s why you need to plan it early and what the process involves.
Read guideHomeowner Guide · 4 min read
Why Condensate Pipes Freeze — and What It Means for a New Boiler
Condensate pipe freezing is a frequent winter problem; understanding it is key to a reliable new boiler installation.
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