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Drainage Services

Drainage Services

Blocked sink, slow-draining shower, or an outside drain backing up? Our drainage service, James Drainage, is the newest part of James Plumbing & Heating. We clear blockages fast, find out why they keep happening, and fix the cause rather than just the symptom.

James Plumbing & Heating clears blocked drains, sinks, toilets and outside gullies across Twickenham and the surrounding areas through its drainage service, James Drainage. The same engineers handle the plumbing and the drainage, so a blockage that turns out to be a pipework problem is fixed in one visit rather than two call-outs.

What We Offer

Our comprehensive drainage services cover everything you need.

Blocked drain clearing
Blocked sinks, baths and showers
Blocked toilets
Outside drains and gullies
Drain jetting
Drain odour investigations
Recurring blockage diagnosis
Drain repairs
Preventative drain maintenance

Why Choose Us for Drainage Services

Blocked sink, slow-draining shower, or an outside drain backing up? Our drainage service, James Drainage, is the newest part of James Plumbing & Heating. We clear blockages fast, find out why they keep happening, and fix the cause rather than just the symptom.

All work is carried out by Gas Safe registered engineers who hold City & Guilds qualifications. We are fully insured with public liability cover and provide insurance-backed warranties through Simply Business, giving you complete peace of mind.

Based in Twickenham, we serve homes and businesses across West London, South West London, Surrey, and Berkshire. We offer free, no-obligation quotes on all work and pride ourselves on transparent, competitive pricing with no hidden charges.

Drainage Services

Frequently Asked Questions

Common questions about our drainage services.

How much does drain unblocking cost?

It depends on where the blockage is and how stubborn it proves. We give a clear price before any work starts, with no hidden charges, and because we are plumbers as well we can quote for the underlying fix if the blockage keeps coming back.

How quickly can you clear a blocked drain?

Most straightforward blockages are cleared in a single visit. For urgent problems such as an overflowing drain or a blocked toilet in your only bathroom, call us and we will get to you as fast as we can, 24 hours a day.

Why does my drain keep blocking?

Repeat blockages usually point to an underlying cause: a damaged or back-falling pipe, root ingress, scale build-up, or something in the drain run that catches debris. We investigate the cause rather than repeatedly clearing the same blockage.

Do you handle outside drains and gullies?

Yes. We clear external drains, gullies and downpipe connections as well as internal sinks, baths, showers and toilets. If the problem sits on the public side of the boundary we will tell you honestly and point you to your water company, who handle that side free of charge.

Is James Drainage a separate company?

No. James Drainage is the drainage arm of James Plumbing & Heating, run by the same team with the same insurance and the same standards. One number, one invoice, whichever trade the job needs.

Need Drainage Services? Get in Touch

Contact us today for a free, no-obligation quote. Our Gas Safe registered engineers are ready to help with all your drainage needs.

Our Other Services

Explore the full range of plumbing and heating services we offer.

Plumbing Services

Plumbing Services

From routine maintenance to complex installations, our qualified plumbers deliver reliable, high-quality plumbing solutions for your home. We handle everything from leak repairs and tap replacements to full bathroom installations — all backed by Gas Safe certification and insurance-backed warranties.

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Emergency Plumbing Services

Emergency Plumbing Services

When a plumbing emergency strikes, every minute counts. Our responsive team are available 24 hours a day, 7 days a week. We will arrive at your property promptly to conduct repairs and thorough leak investigations, minimising damage to your home.

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Boiler Installations

Boiler Installations

As Gas Safe contractors and Vaillant Advance Installers, we are your competent and fair resource for new boiler supply and fitting. We ensure everything meets the highest standard to improve the longevity of your boiler, with up to 10 years warranty on selected Vaillant boilers.

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Central Heating Systems

Central Heating Systems

Keep your home warm and comfortable with our comprehensive central heating services. From full system installations to radiator upgrades and repairs, our Gas Safe registered engineers ensure your heating system operates efficiently and safely.

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Gas Safety Checks

Gas Safety Checks

Gas safety is not just a legal requirement for landlords — it is essential for every home. Our Gas Safe registered engineers carry out thorough gas safety inspections, ensuring your appliances are operating safely and efficiently. We issue official Gas Safety Certificates (CP12) for landlords.

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