CP12 Certificate in Portsmouth — From £45 inc VAT

What is a CP12 Certificate in Portsmouth?

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

Portsmouth is in Hampshire, England, and our engineers also cover nearby Gosport, Fareham and Ryde. Whether you're a landlord renewing your annual CP12, a homeowner preparing to sell, or a letting agent managing a portfolio in Portsmouth, we offer the cheapest fully-compliant CP12 Certificate in the area, backed by Gas Safe registration and same-day availability across every Portsmouth postcode.

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

What's included in your Portsmouth CP12 Certificate

• Visual inspection of all boilers, gas hobs and ovens, gas fires at the Portsmouth 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 Portsmouth address
• Free 30-day expiry reminder service
• Fixed-price remedial quotes if any issues are found in your Portsmouth property

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

CP12 Certificate prices in Portsmouth

All prices include VAT. Travel within Portsmouth is free.

Who needs a CP12 Certificate in Portsmouth?

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

Legal Requirements in Portsmouth (England)

Properties in Portsmouth (Hampshire, 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 Portsmouth CP12 process works

Why choose Cheapest Certificates in Portsmouth?

• Cheapest in Portsmouth — CP12 Certificate from £45 inc VAT, undercutting most Portsmouth competitors
• Same-day in Portsmouth — 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 Portsmouth CP12 expires
• Fixed-price remedial quotes — no surprise charges in Portsmouth
• Landlord bundle savings — combine CP12 Certificate with EICR, EPC, PAT in Portsmouth from £125
• Letting-agent invoicing available across Portsmouth
• 5-star Google reviews from Portsmouth landlords, homeowners and businesses

Book your CP12 Certificate in Portsmouth today

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

Same-day in Portsmouth

Frequently Asked Questions — CP12 Certificate Portsmouth

Related certificates in Portsmouth

Bundle and save when you book multiple Portsmouth certificates together:

• Gas Safety Certificate in Portsmouth
• Boiler Service in Portsmouth
• Commercial Gas Safety Certificate in Portsmouth
• Landlord Certificates in Portsmouth

CP12 near Portsmouth

Portsmouth postcodes we cover include PO5. Nearby towns we also cover, with the straight-line distance from Portsmouth:

• CP12 in Gosport (1.7 miles)
• CP12 in Fareham (5.3 miles)
• CP12 in Ryde (5.7 miles)
• CP12 in Havant (6.1 miles)
• CP12 in Waterlooville (6.2 miles)
• CP12 in Sandown (10.6 miles)
• CP12 in Shanklin (12.5 miles)
• CP12 in Chichester (13.8 miles)
• CP12 in Isle of Wight (14 miles)
• CP12 in Ventnor (15 miles)
• CP12 in Southampton (15.5 miles)
• CP12 in Petersfield (15.8 miles)

View all CP12 Certificate areas →