Gas Safety Certificate · All 33 London Boroughs

Gas Safety Certificate London: Compliance for Property Portfolios

Searching for gas safety certificate service in London for your properties? Our gas safety certificate London service includes an annual gas safety check for rented properties with gas. An engineer completes the inspection every 12 months under the Gas Safety Regulations 1998. SR Maintenance manages gas safety certificates across all 33 London boroughs.

Last updated: September 2026

Gas Safe registered · 12,000+ certificates since 2018 · 4.8 on Trustpilot · All 33 London boroughs + M25

Gas safety certificate london

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Who Needs a Gas Safety Certificate in London?

Landlords letting properties with gas appliances, pipework or flues need a gas safety check in London. The check takes place every 12 months under the Gas Safety Regulations 1998 . A Gas Safe registered engineer completes the check.

The engineer provides the Landlord Gas Safety Record, also known as a gas certificate in London. A copy must be given to tenants within 28 days, and records kept for 2 years.

A landlord gas certificate London service helps landlords manage these required gas safety records.

Certificate, or record?

The official document is the Landlord Gas Safety Record. "CP12 certificate" is a common term used for gas safety records.

What Does a Gas Safety Check in London Cover?

A gas safety inspection includes 7 essential checks for safe gas appliances and pipework. ID, AR, or NCS classifications appear on the Gas Safe compliance certificate where applicable.

Check
What the engineer checks
Why it matters
Gas tightness
What the engineer checksMeter and pipework for leaks
Why it mattersReduces gas leak risks
Burner pressure & gas rate
What the engineer checksMatches manufacturer settings
Why it mattersSupports safe combustion
Flues & ventilation
What the engineer checksClear flues and adequate airflow
Why it mattersReduces carbon monoxide risks
Safety devices
What the engineer checksFlame failure and shut-off devices
Why it mattersStops gas during a fault

Why a Gas Safety Certificate Is Essential for Landlords in 2026

Is a gas safety certificate a legal requirement? Yes, a gas safety certificate remains essential for landlords in 2026. The Renters’ Rights Act 2025 removed Section 21 from 1 May 2026, but gas safety duties continue under the Gas Safety (Installation and Use) Regulations 1998. A gas safety inspection checks appliances, pipework, ventilation, and safety devices for compliance.

The legal position on gas safety, then and now
Then (pre-1 May 2026)Now (from 1 May 2026)
A missing record affect Section 21 noticesSection 21 ended and possession uses Section 8
Focus was linked to evictionFocus includes compliance and penalties
Enforcement was mainly reactiveHSE and councils have stronger powers

A valid gas safety certificate helps landlords reduce risks linked to:

Civil penalties up to £7,000 for less serious breaches

Penalties up to £40,000 for serious or repeated breaches

Rent Repayment Orders up to 24 months rent

HSE enforcement, including unlimited fines for serious failures

Future PRS Database requirements

From 22 June 2026, local authorities gained extra powers under the Renters’ Rights Act 2025 (SI 2026/638) for Category 1 hazard failures.

How The 2-month Rule Helps Manage Gas Safety Check Dates

The Gas Safety (Installation and Use) (Amendment) Regulations 2018 introduced the 2-month rule from 6 April 2018.

Regulation 36A allows checks up to 2 months early

Original anniversary date stays the same

Previous 2 checks must be completed on time

HSE treats the record as completed on the deadline date

Over 12 months late resets the anniversary date

Supports portfolio scheduling and engineer planning

The 12-month cycle
Early window
Anniversary
Month 0
Check done in the green window keeps the same anniversary, so the date never slips forward.

How much does a gas safety certificate cost in London?

The gas certificate cost depends on the property type, number of appliances, and inspection requirements.

Property
What's included
Price
PropertySingle property (1–3 appliances)
What's includedGas safety check + Landlord Gas Safety Record
Price£79
PropertyAdditional appliance
What's includedPer extra appliance
Price£10 each
PropertyPortfolio
What's includedScheduled gas safety checks + managed records
PriceBook an Audit

The final cost depends on the number of gas appliances inspected. Each check covers the relevant gas appliances and safety requirements, with the Landlord Gas Safety Record provided after the inspection. Clear pricing helps landlords understand the cost before booking, with no hidden call-out fees.

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Why London landlords and agents choose SR Maintenance

SR Maintenance supports thousands of landlords and agents with complete property compliance management across London and the M25 area.We provide compliance services for HMOs and portfolio properties.

Gas Safe registered
Qualified Engineers
Clear compliance records for every completed visit.
12,000+
certificates since 2018
4.8
on Trustpilot
33 + M25
London boroughs covered

Gas Safe

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NAPIT
BAFE
NEBOSH
IFSM
City & Guilds
TrustMark

Trustpilot 4.8 · all 33 London boroughs + M25

How We Manage Your Gas Safety Compliance

1
Confirm details
We review your property information and required gas safety checks.
2
Book inspection
We organise a suitable time for the engineer visit.
3
Complete checks
A qualified engineer checks gas appliances, pipework, and safety requirements.
4
Issue record
Prepare and provide the gas safety certificate.
5
Track renewals
The completed record is provided, with renewal tracking and reminders for future checks.

Gas Safety Certificates Across Every London Borough

SR Maintenance covers all 33 London boroughs and the M25 corridor for gas safety certificate services. We carry out inspections across London properties, including access support and engineer visits in ULEZ areas.

Gas Safety Barking and Dagenham

Gas Safety Barnet

Gas Safety Bexley

Gas Safety Brent

Gas Safety Bromley

Gas Safety Camden

Gas Safety City of London

Gas Safety Croydon

Gas Safety Ealing

Gas Safety Enfield

Gas Safety Greenwich

Gas SafetyHackney

Gas Safety Hammersmith and Fulham

Gas SafetyHaringey

Gas SafetyHarrow

Gas Safety Havering

Gas Safety Hillingdon

Gas SafetyHounslow

Gas Safety Islington

Gas Safety Kensington and Chelsea

Gas Safety Kingston upon Thames

Gas Safety Lambeth

Gas Safety Lewisham

Gas Safety Merton

Gas Safety Newham

Gas Safety Redbridge

Gas Safety Richmond upon Thames

Gas Safety Southwark

Gas Safety Sutton

Gas Safety Tower Hamlets

Gas Safety Waltham Forest

Gas Safety Wandsworth

Gas Safety Westminster

Gas Safety Certificate London: Frequently Asked Questions

Yes. Landlords who provide gas appliances or gas heating in rental properties must have a valid gas safety record. Owner-occupiers do not have the same legal requirement, but regular checks help maintain appliance safety.
The official legal document is the Landlord Gas Safety Record. The term CP12 comes from the previous CORGI Proforma 12 system and does not have statutory legal status.
Landlords must have a gas safety check every 12 months. The inspection can be completed within the 2-month early window before the expiry date without affecting the next renewal date.
No. Since 1 May 2026, Section 21 has been abolished, so a missing gas safety record no longer prevents eviction through Section 21. It can still create compliance issues, penalties, and affect Private Rented Sector Database requirements.

An expired gas safety record is a legal breach. Landlords risk:

  • Civil penalties up to £7,000 for less serious breaches
  • Penalties up to £40,000 for serious or repeated breaches
  • Rent Repayment Orders up to 24 months’ rent
  • Insurance complications and possession risks
Yes. Commercial premises with gas appliances must meet duties under the Gas Safety (Installation and Use) Regulations 1998 (GSIUR) and the Health and Safety at Work etc. Act 1974 (HSWA). A CP42 is used as the commercial gas safety inspection record.
Yes. Landlords can arrange gas safety checks, EICR and EPC assessments together to manage important property compliance documents through one coordinated service.

One property or a whole portfolio, Get a Free Review of Your Property

SR Maintenance provides gas safety inspections across London and the M25 corridor. We handle appointments, access and certification for residential and commercial properties.

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