Guides & advice
Everything we know about drains. Which is, honestly, too much.
Practical, straight answers on blockages, surveys, costs and responsibility, written by people who find this stuff genuinely fascinating so you never have to.
No guides match that search. Clear
How-to34
How-to
Ashford's Long Gardens and Hidden Gullies: A Local Blockage Map
Where Ashford's hidden gullies lurk, why long private drain runs block unseen, and the two-minute autumn check that saves a callout.
Read guideHow-to
Autumn Leaves and the Gully Chain: How TW Gardens Silt Up Their Own Drains
Leaves plus silt plus a dodgy fall equals a blocked gully. Here's the chain that actually clogs TW drains every autumn, and how to fix it yourself first.
Read guideHow-to
Blocked Downpipe or Blocked Drain? Where Rainwater Is Actually Stuck
Rainwater overflowing in TW? Learn to tell a blocked downpipe from a blocked gully or underground drain, and when to call for help.
Read guideHow-to
Blocked Drain Outside the House: Private Pipe, Shared Drain or Thames Water?
Who fixes a blocked drain outside your TW home? Follow our responsibility flowchart to find out before you call anyone.
Read guideHow-to
Can't Find the Drain Inspection Cover? What to Try Before Digging
Buried or paved-over inspection cover in a TW property? Here's how to trace it safely before anyone lifts a spade or a slab.
Read guideHow-to
Can You Have a CCTV Drain Survey Without a Manhole?
No manhole? A CCTV drain survey is still possible in the TW area. Find out how engineers access your drains and what changes the quote.
Read guideHow-to
Dishwasher Backing Up? The Blockage May Be Outside the Appliance
Dishwasher not draining in the TW area? If your sink gurgles too, the fault is likely in the shared waste pipe. Here is how to tell the difference.
Read guideHow-to
Drain Flies: How to Get Rid of Them (and What They're Telling You About Your Pipes)
Little fuzzy flies around the plughole? Here's what drain flies are, the DIY fix that actually works, and when the real problem is the pipe.
Read guideHow-to
Drain Jetting vs Rodding in TW: Which Fix Does Your Blockage Need?
Rodding or jetting? A straight local guide for TW homeowners: what each method does, what it costs, and how to choose the right one first time.
Read guideHow-to
Drain Surveys Before Extensions: Mapping, Build-Over Evidence and CCTV
How to map drains, get CCTV evidence and satisfy Thames Water or building control before your TW extension breaks ground.
Read guideHow-to
End-of-Tenancy Drain Checks: Dated Evidence Before a Dispute
A CCTV drain survey at check-out gives landlords, agents and tenants dated evidence of the pipe condition. Here is what it can and cannot prove.
Read guideHow-to
Fatberg Autopsy: What's Actually Inside the Lumps We Jet Out of Local Sewers
A layer-by-layer dissection of what fatbergs are made of, why they grow in TW-area drains, and how to stop the next one forming under your street.
Read guideHow-to
Grease, Wipes and a Traffic Cone: A Week in the Life of a Drain Engineer
A Monday-to-Sunday diary of real drain jobs in the TW area. What caused each blockage, what fixed it, and what it cost. Genuinely educational.
Read guideHow-to
How Long Does Drain Unblocking Take? Honest Timings from People Who Do It All Day
Real timings: what a straightforward unblock takes on site, what makes a job run long, and why arrival time and fix time are different numbers.
Read guideHow-to
Landlords: The Drain Paper Trail That Saves You From a Deposit Dispute
Dated CCTV drain surveys at check-in and check-out turn deposit disputes into open-and-shut cases. Here is how to build that paper trail.
Read guideHow-to
New-Build Drains That Already Block: Snagging Problems Developers Don't Mention
Blocked drains in a new build? Mortar, crushed pipes and wrong falls are common faults. A CCTV survey finds them while you're still in warranty.
Read guideHow-to
One Fixture Blocked or the Main Drain? A TW Triage Guide
Is it just one toilet or your whole drainage system? Use this simple guide to diagnose a blocked drain in the TW area and know what to call for.
Read guideHow-to
Rats in Your Drains: What It Means, How They Got In, and How to Shut the Door
A rat in the garden, or worse, the toilet, usually means a broken drain. Here's how rats use damaged pipes, and how a survey finds the way in.
Read guideHow-to
When a Blockage Keeps Returning After Clearance: Three Causes Rodding Cannot Fix
Drain keeps blocking after clearance? Here are three structural causes rodding cannot fix, and the right sequence to sort it for good.
Read guideHow-to
Salon and Barbershop Sinks: The Hair Blockage Timeline (and the Fix That Lasts)
Hair, product and warm water build a blockage week by week. Here is the full timeline, a trap maintenance routine, and when to call Drainiacs.
Read guideHow-to
Saniflo Blocked? What You Can Fix Yourself, and Where the DIY Ends
Saniflo humming but not draining, or tripping the fuse? What the sounds mean, the safe checks you can do, and the hard line where DIY stops.
Read guideHow-to
Scale, Sludge and Six Types of Blockage: What Jetting Actually Blasts Away
The six drain blockage types explained: which ones jetting fixes fast, which need cutting or relining, and when jetting is the wrong call entirely.
Read guideHow-to
Why Your Sink Gurgles When the Shower Runs
Sink glugging when the shower empties? Here is what is causing it in TW bathrooms and when to call a drain engineer.
Read guideHow-to
Slow Drain but No Visible Clog? The Restriction May Be Further Down
Sink draining slowly but nothing obvious in the plughole? Here's what might be happening deeper in your pipes, and when to call a professional.
Read guideHow-to
The Drain That Gurgled for a Year: What We Found Twelve Metres Down
A year of gurgling drains ignored, one CCTV camera pass, and a very satisfying find. Plus a straight guide to what drain gurgling actually means.
Read guideHow-to
The Strangest Things We've Pulled Out of TW Drains: A Field Guide
A nature-documentary taxonomy of the oddest blockage specimens found in TW drains, plus the practical lesson each one teaches.
Read guideHow-to
The Toilet That Kept Blocking: How One Hidden Cause Beat Five Plunger Attempts
Toilet keeps blocking no matter what you try? A recurring blockage usually means a hidden cause further down. Here's how we find it before charging you.
Read guideHow-to
Tree Roots vs Clay Pipes: The Slow-Motion Wrestling Match Under Your Garden
Root ingress in clay drains explained: what it is, why it keeps coming back, and when relining beats repeated jetting. Covering Teddington and the TW area.
Read guideHow-to
Washing Machine Drain Backing Up? The Standpipe Clues That Matter
Diagnose a washing machine drain backing up in TW homes. Spot whether it's a local standpipe issue or a deeper blockage, and know when to call a drainage engineer.
Read guideHow-to
Wastewater or Surface Water Drain? The Difference That Matters in TW
Foul drain or rainwater drain? TW homeowners need to know the difference. Misconnection causes flooding and legal headaches. Here's what to check.
Read guideHow-to
What a CCTV Camera Sees Down a Victorian Drain: A Nature Documentary in Five Acts
Follow a drain camera on its journey through a Victorian sewer in Richmond. Learn what each finding means, what it costs to fix, and when to worry.
Read guideHow-to
What a Drain Engineer Checks Before Recommending Jetting
Before any jetting starts, a good engineer runs through a careful checklist. Here is what that assessment covers and why it matters.
Read guideHow-to
Whose Drain Is It? Thames Water vs You, TW Edition
Who is responsible for a blocked drain in the TW area? We break down Thames Water, your council and your own liability, street by street.
Read guideHow-to
Why Drains Smell Worse in Summer: The Science We Find Fascinating (You Won't)
Warm weather, bacteria and dry traps explained with unreasonable enthusiasm. Plus the checks that fix 80% of summer drain smells yourself.
Read guideEmergencies19
Emergencies
Blocked Drain After Heavy Rain in TW: Private Pipe or Highway Gully?
After heavy rain in TW, is your flooded drain your problem or the council's? Here's how to tell, what to check, and who to call.
Read guideEmergencies
Blocked Drain Outside Your House in Twickenham: Whose Responsibility Is It?
Find out whether a blocked drain outside your Twickenham home is your problem or Thames Water's, and what to do right now.
Read guideEmergencies
Blocked Drains in HMOs: Why Shared Houses Block More and What Landlords Can Do
Five tenants, one drain stack, and a blockage nobody planned. HMO drain problems explained for landlords, with practical prevention that actually works.
Read guideEmergencies
Blocked Driveway Drain After Heavy Rain: Gully, Channel or Underground Run?
Driveway flooding after rain in TW? Learn to spot whether it's a blocked gully, channel drain or underground run, and when to call for help.
Read guideEmergencies
Dishwasher and Washing Machine Both Backing Up? Check the Shared Waste
Both appliances draining slowly or backing up at once? It's almost certainly the shared waste line. Here's how to tell, and what to do in the TW area.
Read guideEmergencies
Drain Blockage After a Storm: What the First Overflow Point Means
Where water first appears after a storm tells you exactly which drain has failed and who owns it. Here's how to read the signs in TW.
Read guideEmergencies
Drain Collapse Warning Signs: When a Sunken Lawn Means More Than Bad Weather
Sunken lawn, foul smell, slow drains? Learn the warning signs of a collapsed drain in Shepperton and Sunbury, and what to do next.
Read guideEmergencies
Drain Emergency First 15 Minutes: What to Stop and What to Record
Sewage backup or overflowing chamber? Here is your calm, step-by-step first-15-minutes checklist for TW area drain emergencies.
Read guideEmergencies
Why Drains Smell Worse After Heavy Rain in TW
Sewage smells spiking after rainfall in TW? Pressure changes, siphoned traps and partial blockages are common culprits. Here is what is happening.
Read guideEmergencies
Office and Shop Toilets Blocked: A Manager's No-Drama Plan for a Gross Morning
Workplace toilet blocked before 9am? Here's the facilities manager's four-step plan: isolate, sign, call, done by lunch. Drainiacs covers the TW area 24/7.
Read guideEmergencies
Overflowing Manhole in TW: Thames Water, Council or a Private Drain?
Sewage coming out of a manhole in TW? Find out who is responsible and who to call, fast. Covers Thames Water, the council and private drains.
Read guideEmergencies
Period Terrace Drain Problems: Why the Same Blockage Keeps Returning
Recurring blocked drains in a TW period terrace? Old clay pipes, displaced joints and root ingress explain why. Here's what to do about it.
Read guideEmergencies
Sewage Smell Outside the House: What a Drain Engineer Checks First
Foul smell from your outside drain or manhole in TW? Here is what a drain engineer investigates and why masking it does not fix it.
Read guideEmergencies
When a Slow Gurgle Becomes a Drain Emergency in TW
One gurgle is a hint. Five gurgles are a warning. Wastewater on your floor is the drain's resignation letter. Here's how to read the signs.
Read guideEmergencies
Toilet Backing Up into the Bath: The Shared Drain Warning
Toilet water rising into your bath means a blockage deeper than one fixture. Here's what it means, what to stop doing, and when to call Drainiacs.
Read guideEmergencies
Toilet Bubbles When the Sink Drains: Local Trap or Main Drain?
Gurgling toilet when your sink empties? Could be a shared-waste blockage or a venting fault. Here's how to tell and when to call.
Read guideEmergencies
Twenty Years of Gravy: The Sunbury Sink That Smelled of Sunday Dinner
A Sunbury kitchen drain blocked by two decades of poured fat. What we found, what jetting did to it, and why hot water never saves you.
Read guideEmergencies
Water Pooling Around a Manhole: What the Wet Patch Is Telling You
Standing water near a manhole cover in TW? Learn what causes it, whether it's your responsibility, and when to call a drain engineer.
Read guideEmergencies
Whitton's Wet Wipe Problem: Six Houses, One Pipe, Nobody's Fault
Six Whitton homes, one shared drain, and everyone flushing 'just a couple' of wipes. Nobody's the villain. The pipe just does the maths.
Read guideEmergencies | How-to5
Emergencies | How-to
Blocked Drain in a Converted Flat: Who Normally Investigates It?
Converted flat in TW with a blocked drain? Here is how to work out who is responsible and what evidence actually moves things forward.
Read guideEmergencies | How-to
Concrete in the Drain: The Builder's Leftovers That Shut a Kitchen for a Weekend
Washed-out cement setting solid in your drain after building work? Here's who's liable, how we remove it, and why a jet alone won't fix it.
Read guideEmergencies | How-to
Hounslow's Clay Soil and Your Drains: Why the Ground Itself Fights Your Pipes
London clay shrinks, swells and cracks pipe joints. Here's why Hounslow drains fail more than most, and your repair options ranked by cost and disruption.
Read guideEmergencies | How-to
The Frozen Gully at 6am: What to Do Before You Call Anyone
Frozen drain or gully in the TW area? Here is what to do safely before calling, plus why the real risk hides below the frost.
Read guideEmergencies | How-to
The Drain That Blocks Every Winter: Thames-Side Pressure, Roots or a Broken Joint?
Your drain behaves all summer then backs up every winter. Here is how to tell whether the Thames, tree roots or a broken joint is to blame.
Read guideCosts9
Costs
Blocked Drain in a Rented House: Tenant or Landlord, Who Actually Pays?
Renting, drain blocked, lease unhelpful? Who pays under Section 11, when a blockage can be recharged to a tenant, and what to do tonight.
Read guideCosts
Blocked Toilet Call-Out Costs in Hampton: Honest Numbers, No Nasty Extras
Honest blocked toilet unblocking costs in Hampton TW12. What you'll pay, what bumps the price, and why there are zero surprise extras. Call 07700 137648.
Read guideCosts
CCTV Drain Survey Cost in TW: What You Pay For
CCTV drain survey cost in TW explained plainly: what changes the quote, what the camera finds, and what should be included in the report.
Read guideCosts
Drain Jetting Prices in Hounslow: What You're Paying For (and Why We Love Doing It)
Honest drain jetting price breakdown for Hounslow — what the machine costs, what the operator brings, and what a finished job looks like.
Read guideCosts
Drain Relining Costs: The No-Dig Repair We Get Weirdly Excited About
Drain relining costs, how the no-dig repair works, when it beats excavation, and honest price ranges for cracked drain repair in the TW area.
Read guideCosts
The Real Cost of Ignoring a Slow Drain: From Free Fix to Four Figures in Six Months
A slow drain gets expensive fast. See the honest cost at every stage — from a £5 plunger to a £4,000 excavation — and why the boring early call wins.
Read guideCosts
What 2am Drain Emergencies Cost: Night Call-Out Pricing, Explained Straight
Honest night-rate pricing for emergency drain unblocking in the TW area. What you pay, what's included, and what to ask before the van arrives.
Read guideCosts
What a Blocked Drain Actually Costs in Richmond (From Someone Who Loves Unblocking Them)
Honest price ranges for drain unblocking in Richmond TW9–TW10. No call-out surprises, no shame — just costs, facts, and one very enthusiastic drain person.
Read guideCosts
Why the Cheapest Drain Quote Gets Expensive: A Price Autopsy from the Drain Nerds
Cheap drain quotes often hide per-metre jetting fees and return-visit charges. Here is how to spot the tricks before you sign anything.
Read guideLocal13
Local
Brentford's Building Boom: What the New Towers Mean for a Victorian Drain Network
Thousands of new Brentford flats are draining into Victorian sewers. Here's what that means for existing residents and when to get a survey.
Read guideLocal
Feltham Drainage Guide: New Estates, Old Mains and Where the Blockages Cluster
Blocked drain in Feltham? Learn why postwar estates and newer infill create drainage hotspots, and what to do when your pipes give up.
Read guideLocal
Hampton's Period Homes: A Drain Nerd's Tour of Edwardian Pipework
Edwardian drains in Hampton explained: interceptor traps, rest bends, shared runs and the CCTV survey that maps what's lurking beneath your period home.
Read guideLocal
Isleworth Drains Explained: From the London Road to the Duke's River
Blocked drain in Isleworth? Local guide to what blocks where, the quirks of the Duke's River area, and what to do about it. Call 07700 137648.
Read guideLocal
New-Build Drains and the NHBC Clock: What Brentford's Towers Mean Below Ground
NHBC warranty, developer liability and why Brentford's new builds can back up even when the pipes are perfect. Know the clock before it runs out.
Read guideLocal
Overflowing Road Gully in Richmond: Who Should You Report It To?
Blocked street drain in Richmond TW? Find out whether it's the council's job or yours, and when to call a private drainage contractor.
Read guideLocal
Pitch Fibre Drains: The Postwar Pipe That Fails Differently (and Why Jetting Can Make It Worse)
1950s to 70s homes may run on pitch fibre: a tar-and-paper pipe that blisters and squashes rather than cracks. How to tell, and how it's fixed without digging.
Read guideLocal
Richmond's Riverside Drains: Why Living Near the Thames Changes Your Drainage
High water table, tidal influence and Victorian combined sewers make Richmond drainage unique. Here's what riverside owners need to watch for.
Read guideLocal
Shepperton and Sunbury Drains: Riverside Living Without the Riverside Smells
Low-lying riverside drains silt up faster than you'd think. Here's why Shepperton and Sunbury homes need jetting more often, and when to book.
Read guideLocal
Staines Drainage Deep Dive: Flood Zones, Surface Water and Your Drains
Staines sits in a genuine flood zone. Know when it's your drain, when it's the network, and what prep actually helps.
Read guideLocal
Teddington's Tree-Lined Streets: Beautiful Above Ground, Chaos Below
Teddington's avenue trees are gorgeous. Their roots are not. Find out which species wreck drains fastest and how a CCTV survey catches them early.
Read guideLocal
Twickenham Drains: What Rugby Weekends Do to the Town's Sewers
80,000 extra flushes in an afternoon. Here's what match-day crowds do to Twickenham's drains, which streets feel it first, and what to do if yours blocks.
Read guideLocal
Whitton Drainage Guide: The High Street, the Terraces and the Pipes Beneath
Whitton's interwar terraces share more pipework than you'd think. Here's what that means when a drain blocks and who to call first.
Read guideCommercial4
Commercial
Commercial CCTV Drain Surveys: What Your Insurer and Your EHO Both Want to See
What a commercial CCTV drain survey report must contain to satisfy your insurer and Environmental Health Officer, with honest cost ranges.
Read guideCommercial
Letting Agents' Guide to Emergency Drainage: Who to Call Before the Tenant Calls You Twice
For letting agents managing TW properties: what a drainage SLA should look like, what to ask contractors, and why one number beats a folder of maybes.
Read guideCommercial
Pub and Café Drains: Planned Jetting vs the 2am Flood That Cancels Sunday Lunch
Hospitality drain maintenance vs emergency callouts: real costs, real downtime, and why a quiet Tuesday jetting beats a ruined Sunday service.
Read guideCommercial
Restaurant Drains: Why Your Kitchen Blocks on a Friday Night (and How to Stop It)
Peak service, peak fat load, peak failure. Why restaurant drains block at the worst moment and how planned jetting keeps your kitchen running.
Read guideCosts | How-to1
Emergencies | Costs | How-to1
Drain emergency right now?
Skip the reading. A real person will answer.
24/7 · 365 days a year · All TW postcodes