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Gas Safe RegisteredService yearly

Boiler Service & Repair

Name: Certanly
Address: London, GB
Telephone: 020 8145 5369
Price range: ££
Rating: 4.9

An annual service keeps your boiler efficient and your warranty valid. If it has broken down, our Gas Safe engineers diagnose and repair most faults in one visit.

Same-week appointments across all 32 London boroughs

Digital PDF certificate delivered within 24 hours of pass

Automatic free renewal reminders 11 months before expiry

Book from £85 020 8145 5369

What it is

What is a Boiler Service & Repair?

Boiler stands for Annual boiler service. An annual service keeps your boiler efficient and your warranty valid. If it has broken down, our Gas Safe engineers diagnose and repair most faults in one visit.

The legal requirementMost manufacturer warranties require an annual service by a Gas Safe engineer.

What’s included

What our engineer tests on the day

Burner and heat exchanger cleaned

Combustion analysis

Seals, fans and pressure checked

Condensate trap and pipe

Controls and thermostat

Service record for warranty

The visit

How your inspection works

Arrive

We text 30 minutes before. Your tenant or letting agent can let us in.

Inspect

Every item on the official checklist is tested and logged digitally on a tablet.

Explain

You receive a clear plain-English summary and an on-the-spot quote for any fixes.

Certify

The certificate is validated and emailed to you and anyone you add within 24 hours.

Common issues

Why inspections fail

Low pressureSystem losing pressure from a leak.

Blocked condensateFrozen or blocked pipe in winter.

Faulty PCBControl board errors.

Seized pumpNo circulation to radiators.

If something fails on the day

Your engineer explains the issue in plain English, provides an immediate quote, and can usually fix minor defects in the same visit. You only pay for the certificate once.

What you receive

Your certificate, delivered within 24 hours

CERT · Boiler-48213

BoilerBoiler Service & Repair

PropertyFlat 4, 18 Romford Rd, E7

Inspected14 Oct 2026

EngineerJ. Harper · Reg. 584213

Next dueService yearly

PASSED

Sample digital layout. Official certificates adhere to statutory regulatory standards.

FAQs

Frequently asked questions

Around 45 minutes to an hour.

Often booked together

Add to the same visit and save 15%

Save time and travel costs by bundling compliance checks.

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