How Much Does a Plumber Cost in London? (2026 Price Guide)

A London plumber in 2026 typically charges £70–£120 per hour for standard daytime work. Emergency and out-of-hours call-outs start at £150–£250 for the first hour. Gas Safe registered engineers working on boilers and gas appliances are at the top of the range; general plumbers on water and drainage work are at the bottom.

This guide breaks down costs by job type, explains why London is considerably more expensive than the rest of the UK, and shows how to avoid the most common plumber-related rip-offs.

What are London plumber hourly rates?

• Zone 1 (Central London): £100–£150 per hour
• Zone 2-3 (Inner London): £80–£120 per hour
• Zone 4-6 (Outer London): £70–£100 per hour
• Emergency (24/7): £150–£250 for first hour, £80–£140 thereafter
• Weekend/evening: 1.5–2× weekday rate

What do common jobs cost?

• Fix a dripping tap: £80–£140 (including call-out)
• Unblock a sink: £90–£160
• Replace a toilet flush: £100–£180
• Install new toilet: £220–£400 (not including toilet)
• Fit a new shower (simple swap): £180–£350
• Fit a new shower (with pipework): £400–£900
• Boiler annual service: £100–£160
• Boiler repair (typical faults): £200–£600
• New boiler + fit (combi, straight swap): £2,200–£3,500
• New boiler + fit (with system change): £3,200–£5,500+
• Power flush of heating system: £450–£800
• Full bathroom install (supply + fit, mid-range): £4,500–£9,000
• Emergency leak fix: £150–£350

Why is London so expensive?

London plumbers pay more in vehicle congestion (ULEZ, congestion charge), parking (up to £20/hour in Zone 1 for trade vans), higher insurance and business rates, and have higher personal living costs. A plumber doing five jobs a day in central London may lose 90 minutes to travel and parking that a plumber in Manchester does not. The rate reflects genuine operational costs, not pure premium.

What affects the price most?

• Time of day: emergency/out-of-hours is always premium
• Access: basement flat with no parking, or high floor with no lift, increases the call-out
• Parts: specialist parts (boiler manufacturer-specific, vintage bathroom fittings) can double the cost
• Gas Safe: any gas work must be Gas Safe registered — no exceptions
• Warranty: some plumbers quote cheap but offer no warranty; a one-year workmanship warranty is standard and worth the small premium

How do I avoid rip-offs?

Get a written quote before work begins, not an hourly estimate. Agree a payment schedule (deposit + on-completion, not all upfront). Always ask for a Gas Safe ID card for boiler work. For jobs over £500, get two or three quotes. Use a platform that offers escrow so the money is only released when you confirm completion.