Gas Safe Registered

Central Heating London

Central heating repair, installation and servicing across all London boroughs. No heating or hot water? Our Gas Safe engineers are available 24/7 with same-day service.

0800 123 4567

Quick Answer

Central heating installation in London costs £2,500–£5,000 for a full system including boiler. Servicing costs £80–£120 annually. All gas work must be carried out by a Gas Safe registered engineer.

Central Heating Cost London - 2026 Prices

Job Type	Typical Cost	Time
Annual boiler service	£80–£120	1–2 hours
New radiator installation	£150–£300	2–4 hours
Full system installation	£2,500–£5,000	2–4 days
Thermostatic valve replacement	£80–£150	1–2 hours
Zone valve replacement	£150–£250	2–3 hours
Cylinder replacement	£600–£1,200	4–6 hours

* Prices are estimates for London. Fixed price confirmed before work begins. £60 call-out fee.

Our Central Heating Services

From emergency repairs to full system installations, we cover everything your central heating system needs.

Central Heating Repair

Fast diagnosis and repair of all central heating faults - from no heat and pressure loss to strange noises and pump failures.

New System Installation

Full central heating system design and installation for new builds and property conversions. Gas Safe registered throughout.

System Upgrade

Upgrading from old gravity-fed systems to modern sealed pressurised systems with condensing boilers and smart controls.

Annual Servicing

Full annual service of your central heating system including boiler, pump, expansion vessel, and all controls.

Planned Preventative Maintenance (PPM)

Scheduled maintenance programmes to prevent breakdowns, extend system life, and keep your heating efficient year-round.

Central Heating Upgrades

Upgrade older, inefficient systems to modern high-efficiency setups with smart controls and improved energy performance.

Hot Water Cylinder Installation

Supply and installation of vented and unvented hot water cylinders, including thermal store units.

Unvented System Upgrades

Upgrade from vented to unvented (pressurised) hot water systems for improved flow rates and energy efficiency.

Trusted Central Heating Engineers Across London

When your central heating fails - especially in winter - you need a reliable engineer fast. We cover all 32 London boroughs with engineers positioned across the capital for rapid response times.

All our central heating engineers are Gas Safe registered and carry comprehensive public liability insurance. We provide fixed-price quotes before starting any work, so there are no nasty surprises on the invoice.

Smart Heating Controls

Upgrade your central heating with smart controls. We install and configure Nest, Hive, Tado, and other smart thermostats - giving you precise control over your heating from your phone and reducing energy bills by up to 30%.

Call for a quote → 0800 123 4567

Frequently Asked Questions

Why has my central heating stopped working?

Common causes include boiler lockout (error code on display), loss of pressure, faulty pump, airlocked radiators, or a broken programmer or thermostat. Our engineers diagnose the root cause on the first visit.

How long does a central heating repair take?

Most common repairs take 1-3 hours. Pump replacements, pressure vessel issues, and programmer faults are usually resolved in a single visit.

Do you work on older heating systems?

Yes. We service and repair all central heating systems including older gravity-fed systems, back boilers, and solid fuel systems. We also advise on cost-effective upgrades.

Can you install smart heating controls?

Yes. We install and configure smart thermostats including Nest, Hive, and Tado. These can reduce heating bills by up to 30% through better scheduling and zone control.

No Heating or Hot Water?

Same-day service available. Call now for a fixed-price quote.