Gas Safety Certificate
Harrow
Find a certified gas safety engineer for a property in Harrow? Landlord CP12 certificates across Harrow, Wealdstone, Pinner, Stanmore, Kenton, Hatch End, Rayners Lane and Harrow Weald. Our gas safety certificate Harrow service covers rental properties across HA1, HA2, HA3, HA5, HA7 and HA8, with Gas Safe registered engineers.
£69 fixed price for up to four domestic gas appliances and the gas meter. No extra per-appliance charge.
- Gas Safe Registered Engineers
- £69: Up to 4 Appliances + Meter
- Digital CP12
- HA1 · HA2 · HA3 · HA5 · HA7 · HA8
A gas safety certificate (CP12), also known as the Landlord Gas Safety Record, confirms an annual check of landlord-provided gas appliances, fittings and flues.
Domestic properties. Gas Safe registered engineers.
Please enter a valid UK postcode.
Please choose one.
1, 2, 3 or 4 gas appliances plus the gas meter. One fixed price, £69. The check covers every gas appliance, the meter and the pipework in the property.
Please choose the number of appliances.
Please enter your name.
Please enter a valid UK phone number.
Please enter a valid email address.
Your certificate is emailed here.
Check your email for the details. One of our team will call you within 15 minutes to confirm your appointment.
All Landlord Certificates provides domestic Gas Safety Certificates (CP12) for a fixed price of £69. The price covers 1, 2, 3 or 4 gas appliances plus the gas meter. Available to landlords and homeowners. Carried out by Gas Safe registered engineers.
Selective licensing areas
Edgware, Roxeth, Greenhill, Marlborough, Wealdstone North and Wealdstone South. Check local licensing rules for 2026.
Shared houses
Five or more sharers from two or more households need a mandatory HMO licence. For three or four sharers, check Harrow Council's rules after 5 August 2026.
Other Harrow areas
Annual gas safety checks remain a legal requirement. The £69 price covers up to four appliances and the meter.
Council tenants
Harrow Council handles gas safety checks for its tenants. Contact the council.
What Is a Gas Safety Certificate in Harrow?
A Gas Safety Certificate (CP12), also called a Landlord Gas Safety Record, is issued by a Gas Safe registered engineer after the annual safety check of landlord-provided gas appliances, fittings, and flues. In Harrow, the record also supports licence applications in six selective licensing wards.
Gas Safety Rules at a Glance
Annual checks
Every 12 months by a Gas Safe registered engineer.
Early renewal
A check in the two months before the due date preserves the original expiry date.
Tenant copies
Existing tenants receive a copy within 28 days. New tenants receive one before moving in.
Record keeping
Keep each record for at least two years, until two further checks are complete.
Is a Gas Safety Certificate a Legal Requirement in Harrow?
Yes, every Harrow landlord who provides gas appliances needs an annual safety check. Regulation 36 of GSIUR 1998 requires a Gas Safe registered engineer to inspect landlord-provided appliances, fittings and flues every year. A building regulations gas safe certificate also relates to gas safety compliance, alongside the records required for licensed HMOs and selective licensing properties.
Who Can Issue One and How to Check the Engineer
Only a Gas Safe registered engineer can issue a valid gas safety record. Check the engineer on the official Gas Safe Register before work starts. You can also verify our engineers through the register before booking a Harrow property inspection.
Harrow Licensing in 2026: Which Licence Covers Your Let?
Selective Licensing Wards and Start Dates
Harrow’s selective licensing scheme covers six wards, approved on 18 December 2025, with three start dates. Single-household lets outside Edgware, Roxeth, Greenhill, Marlborough, Wealdstone North and Wealdstone South need no selective licence under these designations. Gas safety duties still apply.
| Ward | Start date | End date |
|---|---|---|
Edgware |
Start date 2 May 2026 |
End date 1 May 2031 |
Roxeth |
Start date 2 May 2026 |
|
Greenhill |
Start date 6 July 2026 |
|
Marlborough |
Start date 6 July 2026 |
|
Wealdstone North |
Start date 1 September 2026 |
|
Wealdstone South |
Start date 1 September 2026 |
HMOs: Mandatory Licensing and the Additional Designation
Mandatory HMO licensing covers properties occupied by five or more people forming two or more households across Harrow. The borough-wide additional HMO designation ran from 6 August 2021 to 5 August 2026. Contact Harrow Council to confirm if a replacement applies. The HMO application asks for a "gas safety certificate (if applicable)."
What the Council Asks For on Gas
Selective Condition 1 requires the licence holder to provide a gas safety certificate obtained in the last 12 months at application, annually and on demand. Schedule 4 of the Housing Act 2004 sets out this requirement for property licensing.
Applying for or renewing a Harrow licence?
Supporting facts
- Mains gas heating: 78.3% of Harrow households use mains gas alone for heating, covering 70,202 of 89,636 households.
- Private renting: Harrow’s share rose from 21.7% in 2011 to 29.6% in 2021. London’s share rose from 25.1% to 30.0%.
Booking for Several Harrow Lets or as a Managing Agent
The Harrow Council names private landlords and managing agents as licence applicants. Agents need a current gas safety record for each let in the six selective licensing wards. Book a gas safety certificate inspection in Harrow for each property, listing every landlord-provided gas appliance. An EICR can also be arranged during the same visit.
What Happens on the Day and What You Receive
Every gas check covers landlord-provided appliances, fittings, and flues. Receive a digital record with any defects classified accordingly.
STEP 1
Book Online or Call
Enter your Harrow postcode and appliance count to confirm the fixed price before the visit.
Engineer visit
A Gas Safe registered engineer checks each landlord-provided appliance, fitting, and flue and shows their Gas Safe ID.
STEP 2
Record completed
Every check includes a record, with defects classified as immediately dangerous or at risk where applicable.
STEP 3
Digital CP12 emailed
Receive your certificate for selective or HMO licence applications, tenant records, and council requests.
STEP 4
What's Checked on a Harrow Gas Safety Check and What Isn't
A gas safety check covers landlord-provided gas appliances, fittings, and their flues, with installation pipework remaining a separate maintenance duty.
Covered by the gas safety check
NOT covered by the annual check
The engineer classifies faults as immediately dangerous or at risk and records each defect. A record follows every check, with remedial work quoted separately.
Installation pipework requires ongoing maintenance outside the annual check. Carbon monoxide alarms are required in living rooms with fixed combustion appliances, excluding gas cookers.
How Much Does a Gas Safety Certificate Cost in Harrow?
Looking for a landlord gas safety certificate Harrow? The fixed price is £69 for up to four gas appliances plus the gas meter.
| Service | Price | What's included |
|---|---|---|
Gas Safety Certificate |
£69 |
Up to four gas appliances and the meter |
Gas + EPC |
£148 |
CP12 and Energy Performance Certificate |
Complete Compliance |
£330 |
Gas check, EPC, EICR and PAT testing |
5+ appliances |
Quoted |
Price based on appliance count at booking |
What Affects Your Quote?
Shared houses in Harrow sometimes have more than four gas appliances or more than one meter. The price is confirmed before the visit.
Number of gas appliances
Property type
Access arrangements
Any repairs required
Timing: Annual Checks, Early Booking and Tenant Copies
Licence holders must arrange annual gas safety checks by a Gas Safe registered engineer for landlord-provided appliances, fittings, and flues. Provide existing tenants with a copy of the gas safety record within 28 days of the check and new tenants before they move in. Keep each record until two further checks have been completed, for a minimum period of two years in practice.
What the Law Requires
Under Regulation 36 of the Gas Safety (Installation and Use) Regulations 1998, landlords must arrange annual checks of gas appliances, fittings, and flues by a Gas Safe registered engineer. Gas safety records must list any defects found and remedial action taken, using the classifications of immediately dangerous or at risk.
2026 Legal Update
Section 21 ended for private landlords on 1 May 2026. The PRS Database opens in stages from 15 December 2026, with London landlords required to register by 14 October 2027.
Gas Safety for Supported Living Providers in Harrow
Supported living providers must coordinate gas safety checks and maintain records to keep residents safe.
- Landlords must arrange annual gas safety checks.
- Providers should clarify gas safety duties in lease agreements.
- Support staff should coordinate access with residents.
- Keep gas safety certificates and track renewal dates.
- Maintain records for commissioner inspections and reviews.
Areas and Postcodes We Cover in Harrow
HA1
HA2
HA3
HA5
HA7
HA8
Belmont
Canons
Edgware
Greenhill
Harrow on the Hill
Harrow Weald
Headstone
Kenton East
Kenton West
Marlborough
Pinner
Pinner South
Queensbury
Rayners Lane
Roxbourne
Roxeth
Stanmore
Wealdstone North
Wealdstone South
West Harrow
Hatch End
Trusted by Landlords Across London
Why Harrow Landlords Choose All Landlord Certificates
4.8 rating on Trustpilot
Digital CP12 emailed after the check
Tenant copies issued automatically
Combined bookings for gas safety, EPC, EICR and PAT testing
More than 12,000 certificates issued company-wide
For Harrow rental properties, landlords must arrange annual gas safety checks with a Gas Safe registered engineer. A gas safety record must document any defects found and remedial action taken.
Harrow Gas Safety Certificate FAQs
Is my Harrow rental in a selective licensing ward?
- Edgware and Roxeth: From 2 May 2026.
- Greenhill and Marlborough: From 6 July 2026.
- Wealdstone North and Wealdstone South: From 1 September 2026.
- A single-household rental in any of these six wards needs a selective licence.
- The licence application asks for a current gas safety certificate.
- Check your property address using Harrow Council’s address checker before applying.
Does a three or four-sharer HMO in Harrow still need an additional licence?
The borough-wide additional HMO designation ran from 6 August 2021 to 5 August 2026. Check with Harrow Council if a replacement applies. Five or more people from two or more households need a mandatory HMO licence anywhere in Harrow.
My let is outside the six wards, do I still need a gas safety certificate?
Yes. Landlords who provide gas appliances must arrange annual checks by a Gas Safe registered engineer under regulation 36, even outside Harrow’s six selective licensing wards.
Are HA0, HA4 and HA9 Harrow postcodes?
No. HA0 and HA9 cover districts in Brent, and HA4 covers Ruislip in Hillingdon. Harrow’s postcode districts are HA1, HA2, HA3, HA5, HA7 and HA8. Some areas overlap with neighbouring boroughs, including Brent, Barnet and Hillingdon.
Is Harrow Council's gas safety policy written for private landlords?
No. Harrow Council’s gas safety policy covers its own housing, including around 4,000 gas-heated homes, and is written for council tenants. Private landlords have separate legal duties under regulation 36 of the Gas Safety (Installation and Use) Regulations 1998.
Official Gas Safety Guidance and Sources
Use these official sources to check Harrow’s selective licensing dates, property licence conditions and gas safety duties. National guidance explains annual inspections, landlord records, and engineer registration.
Check your address on Harrow Council's selective licensing page
harrow.gov.uk
Harrow's Edgware selective licensing designation
lbhf.gov.uk
Harrow's selective licence conditions
harrow.gov.uk
HSE gas safety guidance for landlords
hse.gov.uk
Gas Safety (Installation and Use) Regulations 1998, Regulation 36
legislation.gov.uk
Gas Safe Register: Check an engineer
hse.gov.uk
Book Your Harrow Gas Safety Certificate
Book your Harrow gas safety check online for £69, covering up to four gas appliances plus the meter. The price is agreed before the visit, and your digital CP12 arrives by email.