Private Landlords
Single-property landlords needing annual CP12 gas safety certification.
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Gas Safe Registered
Landlord Gas Safety Certificates(CP12) Across West London.
Professional CP12 inspections carried out by Gas Safe registered engineers. Fast appointments, digital certificates and reliable service for landlords and letting agents.
Gas Safe Registered
CP12 Certificates
Fast Appointments
Digital Certificates
Trusted & Accredited
The credentials, cover and reviews that back every job we quote.
Gas Safe Registered
Reg. engineers
Fully Insured
£2m public liability
5★ Rated
Checkatrade & Google
Worcester Bosch & Vaillant
Accredited installer
Manufacturer Warranties
Up to 12 years
Free Fixed Price Quotes
No surprises
Who We Help
Trusted by landlordsand agents alike.
From a single flat to a large managed portfolio, Pipe Flow keeps rental properties across West London gas safe and compliant.
Letting Agents
Reliable, scheduled CP12 inspections for managed rental portfolios.
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Estate Agents
Fast CP12 turnaround for sales, lets and tenancy renewals.
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Property Managers
Ongoing gas safety compliance for multi-property portfolios.
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HMOs
Gas safety inspections and CP12 certification for Houses in Multiple Occupation.
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Commercial Properties
Gas safety certificates for offices, retail units and mixed-use premises.
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What's Included
A full CP12 inspection,start to finish.
Every Pipe Flow gas safety inspection covers the complete checklist required for a valid Landlord Gas Safety Record.
Gas Appliance Inspection
Every gas appliance in the property inspected and safety-tested to current standards.
Included
Gas Pipework Inspection
Full visual inspection of gas pipework, joints and connections for leaks and corrosion.
Included
Flue Inspection
Flue integrity, terminals and seals checked to ensure safe combustion venting.
Included
Ventilation Checks
Room ventilation and air supply verified for each gas appliance.
Included
Safety Testing
Tightness tests, working pressure and operational safety checks to Gas Safe standards.
Included
Digital CP12 Certificate
Digital Landlord Gas Safety Record (CP12) emailed to you and your tenants.
Included
Recommendations If Required
Clear, prioritised recommendations for any remedial work — with no pressure or upsell.
Included
Why Pipe Flow
The trusted choicefor landlords.
Six reasons landlords and letting agents across West London trust Pipe Flow for their annual CP12 gas safety inspections.
Gas Safe Engineers
Every inspection carried out by fully qualified Gas Safe registered engineers.
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Reliable Appointments
Punctual, pre-arranged appointments that fit around tenants and property managers.
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Transparent Pricing
Fixed, upfront pricing per property — with discounts available for multiple inspections.
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Fast Certificate Delivery
Digital CP12 certificates issued and emailed promptly after each inspection.
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Professional Service
Tidy, respectful engineers who treat every tenant and property with care.
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West London Specialists
Local coverage across Hillingdon, Uxbridge, Ealing, Ruislip and surrounding areas.
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Our Process
Simple, compliant,stress-free.
Five straightforward steps from your first call to a digital CP12 certificate in your inbox — plus a reminder for next year.
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Book Inspection
Call or message us with the property details and we'll book a convenient time to attend.
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Engineer Visits
A Gas Safe registered engineer arrives on time, introduces themselves and gets to work.
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Safety Checks
Full inspection of every gas appliance, pipework, flues and ventilation to Gas Safe standards.
- 4
Certificate Issued
A digital CP12 Landlord Gas Safety Record emailed to you and your tenants.
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Annual Reminder
We'll send you a friendly reminder when your next annual inspection is due.
Frequently Asked
CP12 questions,answered.
The questions landlords and letting agents ask us most often about gas safety certificates. Can't see yours? Give us a call.
A CP12, also called a Landlord Gas Safety Record, is the legal document showing that all gas appliances, pipework and flues in a rental property have been inspected by a Gas Safe registered engineer and deemed safe.
Areas Covered
Local team.Serving West London.
Based in Hillingdon and covering the surrounding West London boroughs — with fast response times for domestic and commercial work.
HillingdonHQ
Uxbridge
Ruislip
Hayes
Harrow
Ealing
West Drayton
Northwood
Southall
Not sure if we cover you? Just ask.
Hillingdon· HQ
Uxbridge
Ruislip
Hayes
Harrow
Ealing
West Drayton
Northwood
Southall
West London Coverage
CP12 · Gas Safe · West London
Need a Landlord GasSafety Certificate?
Book your CP12 inspection today with Pipe Flow — fast appointments, digital certificates and complete peace of mind.
Gas Safe Registered Highly Rated West London