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Blocked Toilet Unblocking in London

0800 Homefix clears blocked toilets across London and the South East, safely and without harsh chemicals. Where the blockage sits further down the soil pipe, our engineers trace and clear it from that point using professional equipment. Same day service is standard, and a badly blocked or overflowing toilet is treated as an emergency. There is no call out fee, you pay for the work, not the journey.

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No call-out fee · Price agreed before we start · 7 days a week including bank holidays

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Same Day

Service as standard

£0

call-out fee

12 Month

Guarantee

95%

First-visit fix rate

Gas Safe Registered

Every engineer verified

APHC Members

Trade body accredited

Public Liability Insurance

Your property protected

WaterSafe Approved

Qualified for mains water

NVQ Level 2 & 3

Formally qualified engineers

WHY US

Why Choose 0800 Homefix for a Blocked Toilet

A blocked toilet is one of those problems that cannot wait, especially in a home with one bathroom. It is a hygiene issue, it risks overflowing onto the floor, and the usual reaction, flushing again to see if it clears, often makes it worse. What you need is someone who can clear it quickly and properly without damaging the pan or the pipework.

That is how we approach it. Our engineers clear toilet blockages with professional equipment rather than harsh chemicals that can crack a ceramic pan and damage the soil pipe. Where the blockage has passed further down the system, we trace and clear it from that point rather than just working at the pan. This service is part of our full drainage service across London, and for a slow toilet that is not overflowing, it is usually a same day standard job. If the toilet is overflowing or it is the only one in the property, that is an emergency, and we aim to reach you within the hour.

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HOW TO

How to Unblock a Toilet Yourself

Before you call, a blocked toilet is often something you can clear yourself. Here is how to do it safely, and when to stop and call a professional.

01

Stop flushing first

If the bowl is already full or close to the rim, do not flush again, it will overflow. Wait for the water level to drop, which it usually does as the blockage slowly lets water past. Put on rubber gloves and lay down old towels or newspaper around the base in case of splashes.

02

Try a plunger

A flanged toilet plunger, the kind with an extended rubber lip, is the right tool, not a flat sink plunger. Fit it over the outlet at the bottom of the bowl so it seals, then push and pull firmly a dozen times. The suction and pressure shift most simple blockages. Keep enough water in the bowl to cover the plunger head.

03

Hot water and washing-up liquid

For a greasy or soft blockage, squirt a generous amount of washing-up liquid into the bowl and pour in a bucket of hot, not boiling, water from waist height. The heat and detergent break down the blockage and the volume of water helps push it through. Boiling water can crack the ceramic, so keep it hot rather than boiling.

04

A toilet auger or drain snake

Case seals are checked to confirm the boiler is sealed correctly, the system pressure is checked and adjusted, and safety devices are tested to confirm they operate.

05

When to stop and call us

If the toilet is still blocked after plunging and hot water, if more than one fixture is affected, if the toilet or a nearby drain is overflowing, or if water backs up elsewhere when you flush, the blockage is deeper in the soil pipe or the main drain and needs professional clearing. Avoid chemical drain cleaners, they rarely clear a toilet blockage, they damage the pan and pipework, and they make the job hazardous for whoever clears it next.

OUR SERVICE

What Causes a Blocked Toilet

Understanding why a toilet blocks helps stop it happening again. The most common causes we see across London properties are too much toilet paper flushed at once, wet wipes and sanitary products (which do not break down the way toilet paper does, even those labelled flushable), a build-up further down the soil pipe, foreign objects, and in older properties a fault or root ingress in the drain run. Where a toilet blocks again and again, the cause is usually further down the system, which is where a CCTV survey earns its place.

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Process

How We Clear a Blocked Toilet

Step 1

Tell us the problem

Call or book online and describe what is happening, whether the toilet is slow, fully blocked or overflowing, and whether any other drains are affected.

Step 2

We attend, same day where possible

Same day service is standard. A badly blocked or overflowing toilet is treated as urgent, and for a genuine emergency we aim to be with you within the hour, subject to availability.

Step 3

Locate and diagnose

The engineer establishes whether the blockage is in the pan, the soil pipe, or further down the main drain. Where a toilet keeps blocking, a CCTV survey shows what is happening underground.

Step 4

Clear the blockage

Using professional equipment such as a toilet auger or high-pressure jetting as appropriate, the engineer clears the blockage completely. We do not use harsh chemicals that damage the pan and pipework.

Step 5

Confirm it is running

The engineer flushes and checks the toilet is draining properly before leaving, and where a CCTV survey was carried out, shows you what was found.

Step 6

Guaranteed work

Every repair is backed by our 12-month labour guarantee. If a fault we fixed recurs within that period, we return at no extra cost.

Pricing

Straightforward Pricing, No Call Out Fee

0800 Homefix does not charge a call out fee to clear a blocked toilet. You pay for the engineer’s labour from the moment work begins, starting with the first hour, so your money goes toward clearing the toilet rather than the visit itself. Where the blockage is cleared within the first hour and no further work is needed, there is nothing more to pay.

Where the blockage is further down the system and needs jetting, a CCTV survey or a repair, the engineer explains what has been found and agrees the cost with you on site before going ahead. A small uplift applies to evenings, weekends and bank holidays, stated when you call and confirmed before the engineer travels. Full rates are published on our rates page.

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FAQ

Blocked Toilet — Frequently Asked Questions

Some Questions homeowners, landlords, and tenants typically ask before booking one of our plumbers in London.

How do you unblock a toilet?

Start by not flushing again if the bowl is full. Use a flanged toilet plunger with a firm push-and-pull to seal over the outlet, or pour a bucket of hot (not boiling) water with washing-up liquid into the bowl to break down a soft blockage. A toilet auger can reach a blockage further down. If none of that works, the blockage is deeper in the soil pipe and needs a professional. Avoid chemical drain cleaners, which damage the pan and pipework.

How do I unblock a badly blocked toilet?

For a stubborn blockage, combine methods, plunge firmly with a flanged plunger, then follow with hot water and washing-up liquid, then try a toilet auger to reach further down the pan. If the toilet stays blocked, overflows, or other drains are affected when you flush, the blockage is in the soil pipe or main drain and needs clearing by an engineer. We clear these with professional equipment on a same day basis.

Can I unblock a toilet without a plunger?

Yes, for a minor blockage. Pour a bucket of hot (not boiling) water with a generous squirt of washing-up liquid from waist height to break down and push through a soft blockage. A toilet brush worked firmly over the outlet can create some suction. If these do not work, a plunger or a professional clearance is needed. Avoid chemical drain cleaners.

My toilet is overflowing, what do I do?

Do not flush again. If your cistern has an isolation valve behind or beneath it, turn it off to stop more water entering the bowl. Put down towels to contain the overflow and keep it away from electrical sockets. An overflowing toilet is treated as an emergency, and we aim to reach genuine emergencies within one hour, subject to availability.

Why does my toilet keep blocking?

Recurring toilet blockages usually mean the cause is further down the system, a build-up in the soil pipe, wet wipes or sanitary products that do not break down, a partial blockage that keeps catching paper, or in older properties root ingress or a damaged section of drain. A CCTV survey confirms the cause so it can be fixed rather than repeatedly cleared.

Are flushable wipes safe to flush?

No, despite the label. Wipes marketed as flushable do not break down the way toilet paper does, and they are one of the most common causes of blocked toilets and blocked soil pipes we clear. The same applies to sanitary products, kitchen roll and cotton pads. Only toilet paper should be flushed.

Do you charge a call out fee to unblock a toilet?

No. There is no call out fee, you pay for the work, not the journey. You pay for the engineer’s labour from arrival, starting with the first hour. If the toilet is cleared within that hour with no further work needed, there is nothing more to pay. Anything beyond that is quoted and agreed with you on site first.

How quickly can you clear a blocked toilet?

Same day service is standard, so in most cases an engineer is with you the day you call. If the toilet is overflowing or it is the only toilet in the property, we treat it as urgent and aim to reach you within one hour, subject to availability.

Do you cover commercial and rented properties?

Yes. We clear blocked toilets for homeowners, tenants, landlords, letting agents and commercial property managers across London. We provide written job reports formatted for managing agents and can invoice them directly where required. Response times and standards are the same regardless of property type.

Is toilet unblocking work guaranteed?

Yes. Every repair is backed by our 12-month labour guarantee, with any parts covered under the manufacturer’s warranty. If a fault we fixed recurs within the guarantee period, we return and put it right at no extra cost.

Coverage

Complete London Coverage

Our plumbers in London operate across all Greater London boroughs and areas within the M25. We have engineers based throughout the city so response times are fast wherever you are.

East London

E, IG, RM postcodes

Barking & Dagenham, Hackney, Havering, Newham, Redbridge, Tower Hamlets, Waltham Forest

West London

W, UB, TW postcodes

Brent, Ealing, Hammersmith & Fulham, Harrow, Hillingdon, Hounslow, Richmond upon Thames

North London

N, NW, EN postcodes

Barnet, Camden, Enfield, Haringey, Islington

South London

SE, SW postcodes

Bromley, Croydon, Greenwich, Lambeth, Lewisham, Merton, Southwark, Sutton, Wandsworth

Central London

WC, EC postcodes

City of London, Kensington & Chelsea, Westminster

South East England & Other

Home Counties / North London Fringe

AL, HP, SG, EN 

St Albans, Hemel Hempstead, Stevenage, (London North crossover)

Kent

DA, ME, TN, CT    

Dartford, Medway, Tonbridge, Canterbury

Surrey

GU, KT, RH 

Guildford, Kingston upon Thames, Redhill

Thames Valley

SL, RG, OX

Slough, Reading, Oxford

South Coast

BN, PO, SO

Brighton, Portsmouth, Southampton

Need to check if we cover your specific postcode?

Speak to our team who can confirm engineer availability. If you are in London (within the M25) or the home counties the short answer will likely be yes.
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Get in Touch

Blocked Toilet? We'll Clear It Today.

If your toilet is blocked or overflowing and plunging has not fixed it, call 0800 Homefix. We clear it safely with professional equipment, find out why it blocked, and check it is draining before we leave. Same day service, no call out fee, no harsh chemicals.

Gas Safe Registered | Free On-Site Survey  | Fixed Price Before We Start

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