Annual gas safety checks are a legal requirement for landlords — annual boiler servicing is recommended best practice for all homeowners. Engineers listed here for gas boiler servicing are Gas Safe registered and cover Southwark SE postcodes.
Need a repair or replacement? See Boiler Repair Southwark or Boiler Installation Southwark.
✅ Gas Safe registration checked against the Gas Safe Register where applicable ✅ Insurance and business identity and contact details verified
✅ Landlord Gas Safety Records available where required
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✅ Covering SE1, SE5, SE15, SE16, SE17, SE21, SE22 & SE23
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Verified before going live — Gas Safe status, insurance and business identity and contact details checked at time of listing. We suggest calling a few engineers to compare prices and availability. When booking a boiler service in Southwark, contact engineers directly to confirm availability.
For landlords, an annual gas safety check is a legal requirement — not a boiler service. For homeowners, neither is a legal requirement.
The Gas Safety (Installation and Use) Regulations 1998 require landlords to arrange an annual gas safety check by a Gas Safe registered engineer for all gas appliances they provide to tenants — the legal requirement is the safety check specifically, not a broader service.²
The HSE confirms landlords are responsible for maintaining gas appliances, pipework and flues in a safe condition — and must arrange an annual gas safety check by a Gas Safe registered engineer.³ The resulting Landlord Gas Safety Record must be kept for at least two years and provided to existing tenants within 28 days of the check and to new tenants before they move in.³
For homeowners not renting out their property, regular servicing is widely recommended to maintain safe and efficient operation — though it is not a legal requirement. Manufacturers typically require servicing in line with their instructions as a condition of maintaining the boiler warranty.
What a boiler service in Southwark includes
A Gas Safe registered engineer will typically carry out:
- Visual inspection of the boiler and components
- Checking the heat exchanger, burner and seals
- Testing flue integrity and emissions
- Checking pressure, water flow and controls
- Inspecting the gas supply and safety devices
- Confirming the boiler fires and operates safely
Your engineer should complete a Benchmark service record at each annual visit — commonly required by manufacturers to keep the warranty valid.¹
The Landlord Gas Safety Record — what Southwark landlords need to know
If you rent out a property in Southwark, the annual gas safety check is a legal requirement under the Gas Safety (Installation and Use) Regulations 1998.²
The HSE confirms the Landlord Gas Safety Record must still be issued even if defects are identified.³ It applies to all gas appliances provided for tenant use — not just boilers — and must include the engineer’s Gas Safe registration number, the date of the check, the address of the property and details of any defects identified.
You must provide a copy to existing tenants within 28 days and to new tenants before they move in.³
Before your engineer attends, ask to see their Gas Safe ID card and verify their current registration at gassaferegister.co.uk.¹
Annual boiler service Southwark: ex-council homeowners
If you own an ex-Southwark Council property, you can use the council’s own Gas Safe engineers for your annual boiler servicing in Southwark.
Southwark Council’s gas servicing package costs £120.67 including a £46.20 admin fee — at time of writing.⁵ You receive a gas safety check, your boiler serviced to manufacturer specifications and a Gas Safety Record on completion.
This option is available specifically to ex-council homeowners. Private homeowners and landlords can use any Gas Safe registered engineer — including those listed here.
Hard water and boiler servicing in Southwark
Southwark sits in Thames Water’s hard water area. Thames Water confirms hard water causes limescale build-up on household appliances and fittings — which can affect heating system components over time.⁴
We recommend asking your engineer to carry out an inhibitor check as part of any annual boiler servicing in Southwark — and to top up or replace the system inhibitor if required. A central heating filter inspection at the same time helps confirm the system is running clean between services.
Private tenants in Southwark — your rights on gas safety
If you are a private tenant, your landlord is legally required to arrange an annual gas safety check for all gas appliances they provide, and to give you a copy of the current Landlord Gas Safety Record.²³
If your landlord fails to arrange the check or provide the record, contact Southwark Council’s private tenant housing team. Urgent cases are responded to the next working day.⁶
What boiler servicing costs in Southwark — 2026
Indicative ranges only — no official pricing data exists for private boiler servicing. Always confirm pricing before work begins. Actual costs vary by boiler type, age and access. VAT may apply.
| Service | Typical range (London 2026) |
|---|---|
| Annual boiler service (gas) | from £100 |
| Landlord Gas Safety Record (with service) | included or from £30 separately |
| Inhibitor check and top-up | from £30 |
| Magnetic filter clean (during service) | from £30 |
| Southwark Council service (ex-council homeowners) | £120.67 inc. £46.20 admin fee |
See the full London Plumbing Costs Guide 2026 →
Why verified engineers — not a general directory
Engineers listed here for gas boiler servicing are Gas Safe registered. Every listing is verified before going live — Gas Safe status, insurance and business identity and contact details checked at time of listing.
No middleman fees — every lead goes directly to the engineer.
We limit listings per borough so every engineer gets fair, equal visibility.
Frequently asked questions — Boiler Servicing Southwark
For landlords, an annual gas safety check is a legal requirement under the Gas Safety (Installation and Use) Regulations 1998 — the legal requirement is the safety check specifically, not a broader service.² For homeowners not renting out their property, it is not a legal requirement — but regular servicing is widely recommended, and manufacturers typically require it to keep the warranty valid.
The Landlord Gas Safety Record is issued by your Gas Safe registered engineer after the annual safety check — and must still be issued even if defects are identified.³ It applies to all gas appliances provided for tenant use — not just boilers — and must include the engineer’s Gas Safe registration number, the date of the check and details of any defects identified. Landlords must provide a copy to existing tenants within 28 days and to new tenants before they move in.
Annual servicing is recommended for all boilers. For landlords the annual gas safety check is a legal requirement.² For homeowners, manufacturers typically require servicing in line with their instructions to keep the warranty valid. In hard water areas, regular servicing also helps manage limescale accumulation on internal components.⁴
Yes. Southwark Council offers a gas servicing package for ex-council homeowners at £120.67 including a £46.20 admin fee — at time of writing.⁵ You receive a gas safety check, boiler service and a Gas Safety Record on completion. Book directly via the council’s gas servicing page.
Your landlord is legally required to provide a copy of the current Landlord Gas Safety Record before you move in and within 28 days of each annual check.³ If they have not done so, contact Southwark Council’s private tenant housing team. Urgent cases are responded to the next working day.⁶
Boiler Servicing across Southwark — areas we cover
- Boiler Servicing Peckham
- Boiler Servicing Camberwell
- Boiler Servicing Bermondsey
- Boiler Servicing Nunhead
- Boiler Servicing East Dulwich
- Boiler Servicing Borough
- Boiler Servicing Elephant & Castle
- Boiler Servicing Walworth
- Boiler Servicing Dulwich
- Boiler Servicing Rotherhithe
Related services
- Boiler Repair Southwark
- Boiler Installation Southwark
- Central Heating Repair Southwark
- Emergency Plumber Southwark
- General Plumbing Southwark
Related guides
From a routine annual boiler service in a Peckham terrace to a landlord gas safety check in a Bermondsey warehouse conversion — every engineer listed here is verified, Gas Safe registered and covering Southwark SE postcodes.
Book a Verified Boiler Servicing Engineer in Southwark →
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Sources & further reading
¹ Gas Safe Register — Boiler engineers https://www.gassaferegister.co.uk/boiler-engineer/
² Legislation.gov.uk — Gas Safety (Installation and Use) Regulations 1998 https://www.legislation.gov.uk/uksi/1998/2451
³ HSE — Gas safety: landlords and letting agents https://www.hse.gov.uk/gas/domestic/faqlandlord.htm
⁴ Thames Water — Hard water https://www.thameswater.co.uk/help/water-and-waste-help/water-quality/hard-water
⁵ Southwark Council — Gas servicing https://www.southwark.gov.uk/housing/homeowners/gas-servicing
⁶ Southwark Council — Report a repair issue if you’re a private tenant https://www.southwark.gov.uk/housing/private-tenants-and-landlords/private-tenants/housing-support-private-renters/report-0