Percolation testing and drainage advice.
Planning a soakaway, preparing for a ground test or investigating the drains? Our family-run Farnham business explains what to expect, what the readings mean and how to get the right work quoted.
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How long does a percolation test take?
Why some BRE365 tests run overnight, how automated readings help, and what the result tells your drainage designer.
CCTV Drain Survey Guide | Costs & What to Expect
Everything you need to know about CCTV drain surveys in Farnham, Surrey and Hampshire, including costs, reports and what to expect.
Blocked Drains: Causes, DIY Fixes & When to Call an Expert
Dealing with a blocked drain? Learn the common causes, safe DIY fixes, and when it's time to call Clever Works for a professional unblocking.
5 Signs Your Drain Needs a CCTV Survey
Unsure if you need a CCTV drainage survey? Look out for these 5 warning signs, including recurring blockages and foul smells.
How Often Should Drains Be Inspected?
Wondering how often you should inspect your drains? Learn the recommended frequency for domestic and commercial CCTV drainage surveys.
High Pressure Water Jetting Explained
Learn how high pressure water jetting clears stubborn blockages, fatbergs, and tree roots from your drains. Fast, effective drain cleaning.
How to Keep Your Drains Clean Year Round
Prevent blocked drains with these simple, year-round maintenance tips. Learn what not to flush and when to book a CCTV drainage survey.
Commercial Drain Maintenance Guide for Businesses
Keep your business running smoothly with our commercial drain maintenance guide. Learn how to prevent blockages, fatbergs, and costly downtime.
How to unblock a clogged bath or shower
Struggling with a slow-draining bath or shower? Learn the best DIY methods before calling local drainage experts across Farnham, Surrey and Hampshire.
How to unblock a sink
A blocked sink can bring your kitchen or bathroom to a standstill. Discover our step-by-step guide to unblocking a sink quickly and safely.
When is Drain Excavation Necessary?
Discover when traditional drain excavation is the only solution for your property, and why a CCTV drainage survey is the crucial first step.
No Dig Repair vs Excavation: Which is Right for You?
Compare trenchless no-dig drain repair with traditional excavation. Find out which method is best for your property.
CCTV Drain Survey Costs 2026 | Surrey & Hampshire
See guide prices for CCTV drain surveys in 2026 and what affects a fixed quotation across Surrey, Hampshire and the Farnham area.
How to tell if your drain is blocked
Not sure if you have a blocked drain? Look out for slow draining water, gurgling sounds, and foul smells. Here is how to diagnose the issue.
What to Do in a Drainage Emergency: A Guide to Emergency Drain Unblocking
Facing a drainage emergency? Learn the immediate steps to take to minimize damage and when to call Clever Works for fast, reliable 24/7 emergency drain unblocking.
Do I need a drain survey when buying a house?
A standard building survey doesn't cover underground drains. Learn why a homebuyer CCTV drain survey is essential before exchanging contracts.
Serving Farnham, Surrey and Hampshire
Our Farnham-based engineers provide CCTV drain surveys, drain repairs, unblocking and soakaway testing across the Surrey–Hampshire border and surrounding towns.
Hampshire
North East Hampshire and nearby towns
Need professional drainage help?
If DIY methods are not working, our local engineers cover Farnham, Surrey, Hampshire and surrounding areas.