Toilet Repair & Replacement — London
Toilet Repair London – Fast Fix & Replacement Service
We provide toilet repair and replacement in London for leaks, blockages, and faulty systems — with same-day response available across all 33 boroughs and fixed prices confirmed before any work begins. Whether your toilet is leaking, not flushing properly, running constantly, or beyond economic repair, our experienced plumbers diagnose and fix the problem correctly the first time.
- Toilet repair and replacement — all makes, cistern types, and toilet styles
- Same-day attendance available — Gas Safe registered engineers
- Fixed prices confirmed before we start — no call-out charge
- Parts stocked on every van — most repairs completed in a single visit
- New toilet supply and fit — or fit-only if you have a toilet to install
- 12-month workmanship guarantee on all toilet repair and installation work
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3,500+
Toilet repairs & replacements completed in London
Same Day
Response across all
33 London boroughs
4.9★
Trustpilot rating 1,800+ verified reviews
1-Visit
Most repairs fixed in a single visit
£0
Call-out charge ever, any timeCall-out charge ever, any time
Common Problems
Is Your Toilet Not Working Properly?
Toilet problems range from mildly inconvenient to genuinely urgent. Here are the eight most common faults our plumbers attend across London — and what each one typically indicates.
Leaking toilet — base or cistern
Water pooling around the base of the toilet, or dripping from the cistern, indicates a failed wax seal, a cracked pan, or a damaged cistern fitting. Leaks should be addressed promptly to prevent floor and structural damage.
Fix promptly
Toilet not flushing — or flushing weakly
A toilet that won’t flush, or produces only a weak flush, usually has a faulty flush valve, a broken siphon, or a problem with the fill valve allowing insufficient water into the cistern before flushing.
Fix today
Constantly running toilet
The sound of water continuously trickling into the pan — even when the toilet hasn’t been flushed — means the fill valve or flapper is failing. A running toilet wastes thousands of litres per month and should be repaired as soon as possible.
Wasting water
Blocked toilet — won't clear
A toilet that won’t clear after flushing has either a partial blockage in the trap or a deeper blockage in the soil pipe. Repeated plunging without clearing the blockage usually means professional rodding or jetting is needed.
Fix today
Cistern not filling after flush
If the cistern empties on flush but takes too long to refill — or doesn’t refill at all — the fill valve is either blocked with limescale or has failed. A common problem in London’s hard water areas that usually requires valve replacement.
Act soon
Rocking or unstable toilet
A toilet that moves when sat on has either failed floor fixings or a deteriorated wax seal. A rocking toilet can damage the wax seal further with each use, leading to leaks — and should be re-secured before this happens.
Fix soon
Cracked toilet pan
A crack in the toilet pan — even a hairline crack — cannot be reliably repaired and requires full toilet replacement. Cracks below the waterline will worsen with use and can cause sudden failure and water damage.
Replacement needed
Bad smells — no visible fault
Persistent sewer smells from a toilet — particularly one that is used infrequently — often indicate a dried trap, a partial blockage producing gases, or a failing wax seal allowing sewer gas to enter the room from below.
Diagnosis needed
Our Service
Our Toilet Repair & Replacement Service in London
We carry out the full range of toilet repair and replacement work across London — from replacing a single internal part to a complete new toilet installation. Here is what our service covers.
Diagnose the fault correctly
Before recommending any repair or replacement, your plumber identifies the exact cause of the problem — not the most likely cause. We check the cistern internals, the flush mechanism, the wax seal, the soil pipe connection, and the stability of the pan before giving you a price. Correct diagnosis on the first visit avoids return visits for parts you didn’t need.
Repair faulty components
Most toilet faults are caused by worn or failed internal components — fill valves, flush valves, siphons, flappers, and float arms. We carry the most common replacement parts on every van, so repairs are completed in a single visit in most cases. All parts fitted carry a 12-month guarantee.
Replace the toilet if needed
We drill a single hole through the external wall at the agreed position, feed the supply pipe through, and mount the outside tap securely to the external brickwork or render. The tap and backplate are fitted with appropriate external fixings and silicone sealed around the wall penetration.
Test the full system
Once the repair or replacement is complete, we run the toilet through a full flush and fill cycle — checking for leaks at all connections, correct fill rate, flush strength, and stability of the pan. No job is signed off without a successful system test and your confirmation that the toilet is working correctly.
Repair or Replace?
When to Repair or Replace Your Toilet
Not sure whether your toilet needs fixing or replacing? Here is a practical guide — though your plumber will always advise honestly after inspecting the toilet, with no pressure to choose the more expensive option.
Repair is usually the right choice when:
- The toilet pan and cistern are structurally intact — no cracks
- The fault is a failed internal component — valve, siphon, flapper, or seal
- The toilet is less than 15–20 years old and in good condition
- The leak is at a fitting or joint — not from the pan itself
- The blockage is in the trap or short section of soil pipe
- The toilet is rocking — the fixings have failed, not the pan
Replacement is typically better when:
- The pan has a visible crack — even a hairline crack below the waterline
- The toilet is more than 20 years old and developing multiple faults
- The cost of parts and labour approaches that of a new toilet installation
- The cistern is heavily limescaled or cracked internally
- You are refitting a bathroom and want a matching suite
- Water efficiency is a concern — modern toilets use significantly less water per flush
Not sure which applies? Your plumber will assess the toilet and give you an honest recommendation — with costs for both options where applicable — before any decision is required.
What You Get
What You Get After Repair or Replacement
Every toilet repair and replacement we carry out is signed off against the same standard — a fully functioning toilet, tested and guaranteed before we leave.
No leaks
All joints, connections, seals, and the pan base are checked and confirmed leak-free before sign-off. If a leak reappears within 12 months, we return and fix it at no charge.
Leak-free confirmed
Proper flushing
Flush strength and fill speed are tested through a full cycle — confirming the cistern fills to the correct level and the flush mechanism operates correctly with every use.
Full flush tested
Correct fill rate
The cistern refills to the correct water level within the normal time range — not too slow, not overflowing. The fill valve and float are set and confirmed before we leave.
Fill rate confirmed
12-month guarantee
All repair and replacement work carries a 12-month workmanship guarantee — issued in writing on the day. Parts we supply also carry manufacturer warranties where applicable.
Guarantee issued
Transparent Pricing
Toilet Repair & Replacement Cost London
Toilet repair costs depend on the type of fault, the parts required, and whether replacement parts are needed. All prices are confirmed before work begins — no call-out charge. Toilet replacement cost depends on whether you supply the toilet or we do, and any additional plumbing required.
Toilet diagnosis & fault assessment
Identify fault — price for repair confirmed before starting
£0
20–30 min
Fill valve / float arm replacement
Fix constantly running or slow-filling cistern
£75
45–60 min
Flush valve / siphon replacement
Wax seal replacement — pan re-seal
£85
45–75 min
Wax seal replacement — pan re-seal
Fix leak at base, re-secure and re-seat pan
£110
1–2 hrs
Toilet unblock — trap and short soil pipe
Clear blockage that won’t shift with plunging
£89
30–60 min
Full toilet replacement — fit only
Remove old, fit customer-supplied toilet, test
£150
1.5–2.5 hrs
Full toilet replacement — supply & fit
Remove old, supply and install new toilet, testClear blockage that won’t shift with plunging
£280
2–3 hrs
Fixed price policy:
All prices confirmed before we attend — no call-out charge, no hidden extras. Garden tap cost UK varies by property and pipe access. The price you approve is the price on the invoice.
The Process
How We Fix or Replace Your Toilet
Four straightforward steps from your call to a fully working, tested toilet.
Inspect & diagnose the issue
Your plumber inspects the full toilet — cistern internals, flush mechanism, pan, wax seal, soil pipe connection, and floor fixings — to identify the exact cause of the fault before recommending any work or parts replacement.
Diagnosis before any parts ordered
Fixed price confirmed
Based on the diagnosis, your plumber confirms the fixed price for the repair or replacement — including any parts needed. You approve the cost and the scope before a single component is removed. No work begins without your agreement.
Price confirmed · You approve first
Repair or replace components
The fault is fixed — whether that’s replacing a fill valve, re-seating the pan, clearing a blockage, or installing a completely new toilet. Most common parts are carried on the van, so the repair is completed in the same visit without waiting for parts to arrive.
Most jobs completed same visit
Test the full system
The toilet is flushed and refilled multiple times to confirm correct flush strength, fill speed, no leaks at any connection, and stable seating. Your 12-month workmanship guarantee is provided in writing before we leave.
Tested · Guaranteed · Signed off
Why Choose Elite Home Renovators
Why Choose Our Toilet Repair Experts in London
Fast response — same-day across London
Our plumbers are available across all 33 London boroughs with same-day attendance for toilet faults — including weekends and bank holidays at no additional call-out charge. For an overflowing or completely non-functioning toilet, we treat this as a priority call.
Same-day across all 33 boroughs · £0 call-out charge
Parts on every van — one-visit repair
We stock the most common toilet repair parts on every van — fill valves, flush valves, siphons, wax seals, and fixings for the most common toilet types. In the majority of cases, the repair is completed during the first visit without needing to order or wait for parts.
Common parts stocked · Most repairs completed in one visit
Fixed prices — confirmed before we start
Your plumber confirms the exact cost before removing a single component. There is no call-out charge, no charge for diagnosis, and no revised price once work is underway. The price you approve is the price on the invoice — every time, with no exceptions.
Fixed price · Confirmed before starting · No hidden extras
Experienced plumbers — correct diagnosis
Toilet faults are frequently misdiagnosed — particularly running cisterns, which can have multiple causes each requiring a different part. Our plumbers test methodically before recommending a fix, avoiding unnecessary parts replacement that doesn’t resolve the underlying fault.
Systematic diagnosis · No unnecessary parts replacement
Clean, tidy work — home left as found
Toilet repairs involve turning off the water supply, removing cistern components, and occasionally re-seating the pan — work that can create mess if not managed carefully. Our plumbers work cleanly, protect surfaces, and leave the bathroom exactly as they found it before leaving.
Surfaces protected · Home left clean and tidy
12-month workmanship guarantee
Every outside tap installation carries our 12-month workmanship guarantee. If the tap drips, a connection leaks, or the wall seal fails within 12 months of installation, we return and fix it at no charge. Issued in writing before we leave your property.
12-month guarantee on every repair and replacement
Verified Customer Reviews
Customer Reviews for Toilet Repair & Replacement
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400+ verified reviews
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4.9★
4.8★
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“Toilet had been running constantly for weeks — we’d replaced the fill valve ourselves without fixing it. The plumber identified it was actually the flush valve allowing water to bypass into the pan, not the fill valve at all. Fixed in 40 minutes with the right part. No leaks, stopped running, fixed price as quoted. Should have called straight away.”
“Garden tap installed in under two hours. Plumber explained about isolating in winter before leaving, which I hadn’t thought about. The external fitting looks very neat — backplate properly sealed, tap is solid. Already made watering the garden so much easier. Really good service from booking to completion.”
“Cracked pan on our main bathroom toilet — needed full replacement. Plumber came same day, confirmed replacement was the right call, and fitted the new toilet we’d already ordered in under two hours. Works perfectly, flush is strong, no movement at all. Written guarantee provided before he left. Exactly what you want — fast, clean, and no nonsense.”
FAQs
Frequently Asked Questions
Most toilet repairs — fill valve replacement, flush valve replacement, wax seal re-seating, or clearing a trap blockage — are completed in 45 minutes to 2 hours. We carry the most common replacement parts on every van, so the repair is completed during the first visit in the majority of cases. Full toilet replacement (fit only) takes 1.5 to 2.5 hours; supply and fit takes 2 to 3 hours.
Fill valve replacement starts from £75. Flush valve or siphon replacement from £85. Wax seal re-seating from £110. Toilet unblocking from £89. Full toilet replacement (fit only) from £150. Supply and fit from £280. All prices are confirmed before work begins — no call-out charge. Cost depends on the fault type and parts required.
A constantly running toilet has one of two common causes: a failed or incorrectly set fill valve (causing the cistern to overfill and water to enter the pan via the overflow), or a failed flush valve or flapper (allowing water to leak slowly from the cistern into the pan without flushing). Both are straightforward repairs — but they require different parts, which is why correct diagnosis matters. A running toilet wastes around 200 litres of water per day.
Replace when: the pan has a visible crack, the toilet is over 20 years old and developing multiple faults, or the cost of repair is close to the cost of a new installation. A cracked pan cannot be reliably repaired and should always be replaced. Modern toilets use 4–6 litres per flush compared to 9–13 litres for older models — replacement can significantly reduce water bills in London.
The most common toilet faults our plumbers attend in London are: constantly running cisterns (usually fill or flush valve failure), weak or failed flushing (siphon or flush valve), leaks at the base (failed wax seal), and blocked traps (wet wipes, sanitary products, or accumulated paper). London's hard water also causes accelerated limescale build-up on fill valves and within cisterns — making valve failure more frequent than in softer water areas.
Yes. Toilet repairs are carried out with you at home — they are contained entirely within the bathroom and require no access to other rooms. The water supply to the toilet will be isolated for the duration of the repair. If the toilet being repaired is your only bathroom toilet, your plumber will aim to complete the repair as quickly as possible to restore access. They will advise you at the start of the visit on the expected duration.
Both options are available. We offer a full supply and fit service — we source and supply a replacement toilet as part of the installation cost. Alternatively, if you have already purchased your own toilet, we offer a fit-only service at a lower price. If you are sourcing your own toilet, your plumber can advise on compatible cistern types and dimensions before you order to ensure the installation will be straightforward.
Ready to book a survey?
Free survey, no obligation. Fixed price after we’ve assessed your property. Old boiler removed free.
📞 020 1234 5678
Toilet not working?
Same-day response. Fixed price confirmed before we start. No call-out charge. All 33 London boroughs.
📞 020 1234 5678
Service Areas
Toilet Repair & Replacement Across London
Our plumbers cover all 33 London boroughs for toilet repair and replacement — from toilet repair in Camden, Hackney and Islington to toilet replacement in Bromley, Croydon and Sutton. Same-day response and fixed pricing throughout London with no area surcharges.
Barking & Dagenham
Emergency plumber available
Barnet
Emergency plumber available
Bexley
Emergency plumber available
Brent
Emergency plumber available
Bromley
Emergency plumber available
Camden
Emergency plumber available
City of London
Emergency plumber available
Croydon
Emergency plumber available
Ealing
Emergency plumber available
Enfield
Emergency plumber available
Greenwich
Emergency plumber available
Hackney
Emergency plumber available
Hammersmith & Fulham
Emergency plumber available
Haringey
Emergency plumber available
Harrow
Emergency plumber available
Havering
Emergency plumber available
Hillingdon
Emergency plumber available
Hounslow
Emergency plumber available
Islington
Emergency plumber available
Kensington & Chelsea
Emergency plumber available
Kingston upon Thames
Emergency plumber available
Lambeth
Emergency plumber available
Lewisham
Emergency plumber available
Merton
Emergency plumber available
Newham
Emergency plumber available
Redbridge
Emergency plumber available
Richmond upon Thames
Emergency plumber available
Southwark
Emergency plumber available
Sutton
Emergency plumber available
Tower Hamlets
Emergency plumber available
Waltham Forest
Emergency plumber available
Wandsworth
Emergency plumber available
Westminster
Emergency plumber available
Fix or Replace Your Toilet Today
Get your toilet repaired or replaced quickly by our expert plumbers — same-day across all 33 London boroughs, fixed price confirmed before we start, and a 12-month guarantee on every job. Call now or get a quote in under a minute.
📞 020 1234 5678