CP12 Certificate in City of London — From £45 inc VAT

What is a CP12 Certificate in City of London?

A CP12 Certificate (also known as Gas Safety Certificate, LGSR) is the legally required document that proves the CP12 status of a property in City of London under Gas Safety (Installation and Use) Regulations 1998 — Regulation 36. Every rental, sale or compliance check in City of London requires a current CP12 Certificate signed by a registered Gas Safe registered engineer. Our City of London engineers issue the certificate the same day, with the digital PDF emailed to you before they leave the property.

City of London is one of the busiest property markets in London, with a high turnover of rented flats, period conversions and HMOs. Whether you're a landlord renewing your annual CP12, a homeowner preparing to sell, or a letting agent managing a portfolio in City of London, we offer the cheapest fully-compliant CP12 Certificate in the area, backed by Gas Safe registration and same-day availability across every City of London postcode.

Looking for the cheapest CP12 Certificate in City of London? We are City of London's lowest-priced provider of CP12 Certificate certificates, also known as Gas Safety Certificate, LGSR. Same-day CP12 Certificate bookings in City of London start at just £45 inc VAT, with no hidden fees, no minimum charge and no travel surcharge for any address inside City of London.

What's included in your City of London CP12 Certificate

• Visual inspection of all boilers, gas hobs and ovens, gas fires at the City of London property
• Full functional test in line with Gas Safety (Installation and Use) Regulations 1998 — Regulation 36
• Tightness / continuity / discharge testing as required by CP12 standards
• Photographic record of any defects (kept on file for 6 years)
• Same-day digital CP12 Certificate PDF emailed to you
• Hard-copy CP12 posted on request to any City of London address
• Free 30-day expiry reminder service
• Fixed-price remedial quotes if any issues are found in your City of London property

Items inspected: boilers, gas hobs and ovens, gas fires, warm-air heaters, water heaters, gas pipework.

CP12 Certificate prices in City of London

All prices include VAT. Travel within City of London is free.

Who needs a CP12 Certificate in City of London?

• Landlords renting out flats and houses in City of London
• Letting agents managing portfolios across City of London and the wider London
• Homeowners selling, buying or remortgaging a property in City of London
• HMO operators with licensable houses in City of London
• Local businesses, shops, offices and restaurants in City of London
• Property managers, councils and housing associations in City of London

Legal Requirements in City of London (England)

Properties in City of London (Greater London, England) fall under English law. The main rules are:

Landlords must have every gas appliance and flue they provide safety-checked by a Gas Safe registered engineer within 12 months of installation and then at intervals of no more than 12 months; since 6 April 2018 a check can be done up to 2 months before the due date while keeping the original expiry date. A copy of the gas safety record must be given to existing tenants within 28 days of the check and to new tenants before they move in. Records must be kept until two further checks have been carried out (at least 2 years), and appliances the tenant owns and can remove are not covered. The same rules apply in Wales and Scotland.

Legislation: Gas Safety (Installation and Use) Regulations 1998 (SI 1998/2451), regulation 36; Gas Safety (Installation and Use) (Amendment) Regulations 2018 (SI 2018/139), inserting regulation 36A. Official source: legislation.gov.uk

Checked against official government sources in September 2026. General information, not legal advice.

How our City of London CP12 process works

Why choose Cheapest Certificates in City of London?

• Cheapest in City of London — CP12 Certificate from £45 inc VAT, undercutting most City of London competitors
• Same-day in City of London — usually within 2–4 hours of your WhatsApp
• Digital + paper certificate — accepted by every UK letting agent and council
• Free renewal reminder 30 days before your City of London CP12 expires
• Fixed-price remedial quotes — no surprise charges in City of London
• Landlord bundle savings — combine CP12 Certificate with EICR, EPC, PAT in City of London from £125
• Letting-agent invoicing available across City of London
• 5-star Google reviews from City of London landlords, homeowners and businesses

Book your CP12 Certificate in City of London today

Same-day appointments available across City of London. WhatsApp us now for an instant quote — no obligation, no waiting.

Same-day in City of London

Frequently Asked Questions — CP12 Certificate City of London

Related certificates in City of London

Bundle and save when you book multiple City of London certificates together:

• Gas Safety Certificate in City of London
• Boiler Service in City of London
• Commercial Gas Safety Certificate in City of London
• Landlord Certificates in City of London

CP12 near City of London

City of London postcode districts we cover include E1W, EC1A, EC1M, EC1N, EC1R, EC1V, EC1Y, EC2A, EC2M, EC2N, EC2P, EC2R. Nearby towns we also cover, with the straight-line distance from City of London:

• CP12 in Whitechapel (1.1 miles)
• CP12 in Hackney (1.5 miles)
• CP12 in Bethnal Green (1.7 miles)
• CP12 in Islington (1.7 miles)
• CP12 in Soho (1.9 miles)
• CP12 in Westminster (2.2 miles)
• CP12 in Mayfair (2.5 miles)
• CP12 in Victoria (2.5 miles)
• CP12 in Peckham (2.8 miles)
• CP12 in Canary Wharf (3.1 miles)
• CP12 in Brixton (3.3 miles)
• CP12 in Bow (3.4 miles)

View all CP12 Certificate areas →