Toilet Repairs in London

We repair common toilet and cistern faults in bathrooms, cloakrooms and ensuites, including freestanding and concealed toilet systems.

4.9 stars, 1,000+ reviews | By Time Charges | Fully Supported Service | Same or Next Day Available | Mon to Sat 8am to 5pm | Book Online 24/7

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Specific arrival times. We confirm a one-hour arrival window on every booking, so there is no waiting in all day.

How much does a toilet repair cost in London?

Toilet repairs are charged by time, at £60 + VAT for the first 30 minutes and £30 + VAT for each additional 30 minutes, and many common faults are sorted within the first half-hour or hour plus any parts.

• £60 + VAT for the first 30 minutes
• £30 + VAT per additional 30 minutes
• Saturday appointments charged at the same weekday rate
• No separate call-out fee
• An estimate is given before any work begins

A worked example: a constantly running toilet caused by a worn fill valve or flush valve washer is usually diagnosed and repaired inside the hour at £90 + VAT plus the part, which is typically a low-cost valve or diaphragm. The reason it is not instant is the diagnosis: a running toilet can be the inlet float valve overfilling past the overflow, a failed flush valve seal letting water creep from cistern to pan, or a misadjusted float, and the handyman has to isolate the supply, strip the relevant valve, identify which is at fault and fit the correct replacement, then test through several flush cycles to confirm it holds. A concealed cistern behind a tiled wall or in a furniture unit takes longer because access is through a small panel or the flush plate aperture, and that is quoted on the day once the access is seen.

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Why London chooses Silver Saints for toilet repairs

Here is why over 1,000 London customers have booked Silver Saints for toilet repairs.

• 4.9 stars from over 1,000 Google reviews
• 5 stars on Trustpilot and Checkatrade
• £5 million public liability insurance
• Operating across London since May 2008
• All work guaranteed against faulty workmanship, with a 12-month guarantee on labour and parts we supply
• A specific one-hour arrival window confirmed on every booking

Ready to book? We can usually come today or tomorrow, subject to availability.

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What we repair and how we do it

We repair the full range of toilet and cistern faults: weak or failed flushes, cisterns that will not fill or fill too slowly, toilets that run on, overflows and drips, leaks from the cistern, pan, inlet and outlet connections, and loose pans that rock and seep. Inside the cistern, the two parts that fail most are the fill valve (the inlet that lets water in and shuts off at level) and the flush valve or siphon (the outlet that releases the flush), and most running or weak-flush problems trace back to one of those two. We isolate the water, identify the exact failed component rather than swapping parts blindly, fit the correct replacement to suit the cistern, and test through several cycles before leaving, because a toilet that looks fixed on the first flush can still seep on the third.

Why does my toilet keep running, and can you stop it?

A toilet that keeps running is wasting a large amount of water, and it is almost always one of two faults: the fill valve is not shutting off and water is pouring out through the internal overflow, or the flush valve seal has perished and water is leaking steadily from the cistern into the pan. We test which it is by checking whether water is running into the overflow or trickling down the back of the pan, then replace the failed valve or washer and reset the water level to the marked line. A running toilet is one of the most common and most quickly fixed faults we see, and stopping it pays for itself in saved water.

Can you repair a concealed or wall-hung toilet behind a tiled wall?

Yes, we repair concealed cisterns and wall-hung toilets, where the cistern sits hidden inside a stud wall, a tiled duct or a furniture unit, accessed through the flush plate aperture or a service panel. These take more care than a standard close-coupled toilet because the working space is tight and the components are brand-specific, often Geberit, Grohe or similar frames, so identifying the system and the right replacement parts matters. We work through the available access without disturbing the tiling wherever possible, and where a part is proprietary we identify it so the correct component is fitted rather than a generic one that will not seat properly.

Toilet leaking from the base or between the pan and the floor

A toilet leaking from around the base is usually one of three things: the pan-to-soil connector (the flexible or rigid joint into the waste) has slipped or perished, the seal between the cistern and pan on a close-coupled unit has failed, or the pan is loose and rocking so the seal is broken every time it is used. We work out which by checking when the water appears, on flush, constantly, or only with use, then remake the relevant seal or connector and re-secure the pan to the floor so it cannot move. Getting this right matters in flats especially, because a slow toilet leak tracks under the floor and shows up as a damp patch on the ceiling below.

Toilet repairs across London property types

London building stock changes what we find behind the toilet. In Victorian and Edwardian terraces across Wandsworth, Hackney, Islington and Camden we often meet older close-coupled or low-level cisterns with non-standard or obsolete internals, where sourcing the right valve is half the job. In Kensington, Chelsea and Marylebone mansion blocks we frequently see high-quality concealed systems and wall-hung pans in tiled bathrooms, where access is the constraint. In 1960s and 1970s blocks the soil pipework is often boxed in and shared, so a leak has to be traced carefully. In modern new-build flats around Nine Elms, Battersea and Canary Wharf, concealed Geberit and Grohe frames behind tiled walls are the norm, which is exactly where brand-specific parts and careful panel access matter. Telling us the toilet type when you book means we arrive with the likely parts and the right approach.

The expert detail that gets it fixed first time

Three things separate a toilet repair that lasts from one that comes back. First, diagnosis before parts: a running toilet has more than one possible cause, and fitting a new fill valve when the fault is actually the flush seal just wastes a visit, so we confirm the failed component before replacing it. Second, the right part for the system: modern concealed cisterns use brand-specific internals, and a generic valve forced into a Geberit or Grohe frame will not seat or seal properly, so we identify the system and fit the matching part. Third, testing through multiple cycles: we flush and watch several times and check for seep at the pan and base before we call it done, because the failure mode that brings us back is the slow leak that does not show on the first flush. We also reset the water level to the cistern's marked line, which stops both overfilling and weak flushes.

Combine a toilet repair with other bathroom jobs in one visit

Because a Silver Saint is multi-trade, a toilet visit is a good moment to clear other bathroom jobs in the same appointment and avoid a second call-out fee. If the toilet is leaking and the cause turns out to be elsewhere in the pipework, we can combine it with sourcing and curing leaks on the same visit. Where the bathroom has a macerator-based toilet that is failing to clear, that is a different job we also cover under Saniflo and macerator repairs. And if there is silicone around the pan or basin that has gone or a tap dripping nearby, we can handle resealing basins and sinks while we are there. Mention everything when you book and we will send a Saint equipped for the lot.

Toilet Repair FAQs

Can you repair a toilet today in London?

Silver Saints usually offer same-day or next-day toilet repair appointments across London, subject to availability, and you can call 0207 0999 199 or book online to secure the earliest slot.

How much does a toilet repair cost in London?

Toilet repairs are charged at £60 + VAT for the first 30 minutes and £30 + VAT for each additional 30 minutes, plus any parts, Saturday appointments are charged at the same weekday rate, and an estimate is given before any work begins.

Can you fix a toilet that keeps running or will not stop filling?

Silver Saints fix toilets that keep running by identifying whether the fill valve is overfilling past the overflow or the flush valve seal is leaking into the pan, then replacing the failed part and resetting the water level.

Can you repair a toilet that will not flush or flushes weakly?

Silver Saints repair weak and failed flushes by diagnosing the flush valve, siphon or fill level inside the cistern and fitting the correct replacement so the toilet flushes fully again.

Do you repair concealed cisterns and wall-hung toilets?

Silver Saints repair concealed cisterns and wall-hung toilets accessed through the flush plate or service panel, including brand-specific frames such as Geberit and Grohe, fitting the matching proprietary parts.

Can you fix a toilet leaking from the base?

Silver Saints fix toilets leaking from the base by identifying whether the fault is the pan-to-soil connector, the cistern-to-pan seal or a loose rocking pan, then remaking the seal and re-securing the pan to the floor.

Which London areas do you cover for toilet repairs?

Silver Saints cover every London borough for toilet repairs, including Westminster, Kensington and Chelsea, Camden, Islington, Wandsworth and Hackney, plus the surrounding TW, KT, CR and BR postcode areas.

Are toilet repairs guaranteed and insured?

All toilet repairs by Silver Saints are insured and carry a 12-month guarantee on labour and on any parts supplied.

Customer Reviews

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Toilet repairs in London, in short

Silver Saints provide toilet repairs across every London borough, fixing leaking, running, overflowing and non-flushing toilets and cisterns, diagnosing and replacing fill valves, flush valves and siphons, remaking pan and base seals, and repairing concealed, wall-hung and close-coupled systems including Geberit and Grohe frames, in Victorian and Edwardian terraces, period mansion blocks, converted flats, concrete builds and modern new builds, plus the TW, KT, CR and BR areas. Appointments run Monday to Saturday from 8am to 5pm with same-day and next-day slots usually available, work is delivered as a Fully Supported Service with a one-hour arrival window, repairs are charged at £60 + VAT for the first half-hour and £30 + VAT per further half-hour, and the team holds a 4.9-star rating from over 1,000 Google reviews. To book, call 0207 0999 199 or use https://bookings.silversaints.com.

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