Gas Safety Certificate (CP12) Westminster

We cover every Westminster postcode in SW1, W1–2, WC2 with same-day bookings if you ring before 11am, and next-day bookings as standard. Typical arrival window is a one-hour slot, confirmed by text the evening before with a live ETA sent 30 minutes out. Response times across Central London run 30-45 minutes from the nearest depot for urgent call-outs; standard CP12 bookings are scheduled into a booked slot rather than dispatched as emergencies.

Yes. Mayfair, Marylebone and Pimlico are all within our standard coverage area across Westminster. Serving properties near Buckingham Palace, Oxford Street, and the Houses of Parliament. Every postcode in the borough — SW1, W1–2, WC2 — is serviced at the same fixed pricing with no neighbourhood loading. Annual landlord portfolio contracts work across the full coverage area so a single property manager with flats in several of these neighbourhoods is invoiced against one consolidated account.

Fixed pricing applies across Central London: £55-£75 for a single combi boiler in a Westminster flat, £75-£110 for a boiler plus hob, £110-£140 for three appliances, and £140-£220 for a licensed HMO with multiple boilers or water heaters. Landlords running three or more Westminster properties on an annual contract pay from £50 per property with consolidated monthly invoicing. No postcode loading applies within SW1, W1–2, WC2.

The engineer issues a Warning Notice with the correct Gas Safe classification (At Risk, Immediately Dangerous, or Not To Current Standards), labels the appliance, and provides a fixed-price quote for the remedial work before any further work begins. In roughly seven out of ten failures the fix is completed the same day from van-stocked parts so the certificate issues clean without a return visit.

A CP12 is a safety check — the engineer verifies each gas appliance is operating safely against manufacturer and Gas Safe tolerances. A boiler service is a maintenance visit — cleaning the heat exchanger, replacing sealing washers, checking the expansion vessel and condensate trap. Most landlords book the two together because combining them usually saves £40-£60 per visit compared with two separate call-outs.

Twelve months from the date of issue. Under Regulation 36 of the Gas Safety (Installation and Use) Regulations 1998, every gas appliance, fitting and flue in a rented property must be checked for safety within twelve months of the last certificate. The renewal can be carried out up to two months before expiry and the original anniversary date is preserved, so you do not lose days off the annual cycle.

Yes. Our office handles the access scheduling — two reminder calls to the tenant, a text confirmation the evening before, and a documented record of all attempts. If the tenant refuses access we issue a headed letter of attempted access for the landlord's legal file, which matters if the matter later escalates to a court order. Regulation 36 expects reasonable attempts, not guaranteed access.

Yes, where access and engineer availability allow. Call before 11am and we can usually attend the same afternoon across most of London. Van-stocked spares mean that minor remedials such as a sticking isolation valve or a loose flue seal can often be sorted on the first visit so the certificate issues clean, avoiding a return call and a second booking fee.