Thank you for your inquiry!
Your message has been sent, and we will get back to you shortly.
If you need emergency assistance, please call 0808 253 2752.
You can view links to all the live pages on our website below.
- Home
- About
- Blog
- Contact
- Drain Glossary
- Privacy Policy
- Services
- Blocked Drain Addlestone, Surrey
- Blocked Drain Alton, Hampshire
- Blocked Drain Bagshot, Surrey
- Blocked Drain Banstead, Surrey
- Blocked Drain Berkshire
- Blocked Drain Camberley, Surrey
- Blocked Drain Caterham, Surrey
- Blocked Drain Chertsey, Surrey
- Blocked Drain Crowthorne, Berkshire
- Blocked Drain Dorking, Surrey
- Blocked Drain East Grinstead, West Sussex
- Blocked Drain Esher, Surrey
- Blocked Drain Farnham, Surrey
- Blocked Drain Frimley, Surrey
- Blocked Drain Guildford, Surrey
- Blocked Drain Hampshire
- Blocked Drain Hampton
- Blocked Drain Haslemere, Surrey
- Blocked Drain Hook, Hampshire
- Blocked Drain Horley, Surrey
- Blocked Drain Lightwater, Surrey
- Blocked Drain Richmond, Surrey
- Blocked Drain Sandhurst, Berkshire
- Blocked Drain South West London
- Blocked Drain Staines-upon-Thames, Surrey
- Blocked Drain Sunbury-on-Thames, Surrey
- Blocked Drain Surbiton
- Blocked Drain Surrey
- Blocked Drain Tadley, Hampshire
- Blocked Drain Teddington
- Blocked Drain Thatcham, Berkshire
- Blocked Drain Virginia Water, Surrey
- Blocked Drain Warlingham, Surrey
- Blocked Drain West Byfleet, Surrey
- Blocked Drain West Sussex
- Blocked Drain Windlesham, Surrey
- Blocked Drain Yateley, Hampshire
- Blocked Drains & Diagnostics
- Commercial Services
- Drain Surveys
- Drain Mapping
- Fault Finding
- House Purchase Surveys
- Site Levels
- Tank Inspection & Compliance Reports
- Drainage Solutions
- Drain Lining
- Drainage Installations & Diversions
- Drainage Repairs & Renewals
- Manhole Cover Replacements
- Milling, Root Cutting & Descaling
- Pitch Fibre Re-Rounding
- Rat Blockers
- Soakaways & Percolation Tests
- Flood Prevention & Drainage Maintenance
- Flooding & Pooling Solutions
- Gully Sucking
- Routine Maintenance & Jet Cleaning
- Main Sewer Connections
- No Dig Solutions
- Moling
- Private Drainage Systems
- Borehole Soakaways
- Cesspits & Cesspools
- Emergency Tanker Service
- Pumps & Pumping Stations
- Septic Tanks Emptying Repair & Installation
- Sewage Treatment Plants
- Watermains Services
- Find and Fix Leak Repair
- Water Main Installation & Re-Routing
- Terms
- Thank You
Blog
- When a Septic Tank Stops Being the Right Answer
- What can you do instead of a septic tank?
- A Septic Tank Is Not the Problem: Poor Maintenance Usually Is
- When to Repair vs Replace Your Sewage Pump: A Practical Guide for Homeowners
- The Annual Drainage Health Check: What a Preventative Maintenance Plan Actually Covers
- How to Unblock an Outdoor Drain
- Why Does My Outdoor Drain Keep Blocking?
- Where to Report a Blocked Drain?
- What to Do if You Have a Blocked Drain
- Do you Need Planning Permission to Install a Sewage Treatment Plant?
- Can You Claim Blocked Drains on House Insurance?
- What is the Biggest Cause of Blocked Drains?
- Do I Need an Environmental Permit for a Septic Tank?
- How Far From a House Does a Sewage Treatment Plant Need to Be?
- Can I Install a Sewage Treatment Plant Myself?
- Why Do My Drains Keep Getting Blocked? Hidden Causes & Lasting Solutions
- Sewage treatment plants: common mistakes
- Blocked rainwater drains: causes and fixes
- How to spot the signs of a collapsed drain
- Why pitch fibre pipes cause so many problems
- The truth about fat, oil, and grease in your drainage system
- How often should you empty a septic tank or treatment plant?
- Drain shared with the neighbours: who’s responsible?
- Pump stations: what they do and why you might need one.
- What to do about a smelly drain inside your house
- How to prevent drains from freezing this winter.
- Why does my drain smell? (And how to fix it without panic.)
- What is a drainage channel, and why does it keep blocking?
- Pump stations: the hidden dangers and why maintenance matters.
- Drainage plans for my house: why they matter.
- CCTV drain surveys: why they matter more than people think.
- How to find the right drainage contractor near you.
- Ponding Water in Your Garden or Drive? What Causes It and How to Fix It
- Can a blocked drain affect washing machines and appliances?
- Drain lining, relining and ‘no-dig’ drain repair costs
- How to Clear a Blocked Bathroom Drain (Safely)
- Who Pays for a Blocked Drain in a Rental Property?
- Does My House Have Surface Water Drainage?
- Main drain connection: what homeowners need to know
- Blocked rainwater drain – causes, fixes, and prevention
- What’s the difference between a rainwater gully and a road gully?
- Blocked Drain Responsibility: Who Pays for What?
- Drain Lining vs Full Replacement: Which Is Right for You?
- Main Drain Connections & Pumping Stations: What You Need to Know
- Structural Lining: A Permanent No-Dig Solution for Damaged Drains
- What Is a Septic Tank and Why Do They Fail?
- It Started with an Alarm – Lower Bourne, Farnham
- Preventative Maintenance vs Reactive Maintenance
- Promoting Preventative Measures – Efficiency in Action
- CCTV Drain Surveys: What They Show, Why They Matter, and How They Save You Money
- Drain Rodding: What You Need to Know Before You Attempt DIY
- Empty and Septic Tank Treatment Plant for Christmas
- Selling a house with a septic tank: Updated 2025 Advice
- What I Wish I Knew 10 Years Ago
- Learning at Any Age: Why Later in Life Can Be Faster
- The Unconventional Path to Profit: Why Letting Go Pays Dividends
- Drain Rodding Across Guildford and Surrounding Areas – 25-Mile Coverage
- Setting the Standard: What I Expect from Leaders at ASL Limited
- Unmasking Drain Drama: How Smart Cameras & Skilled Operators Save You Time and Money
- The Ultimate Payoff: Achieving True Autonomy and Growth
- The Unseen Threat Lurking Beneath Your Road Gully
- ASL Limited Drainage: Your Guildford “One-Stop Shop” for All Things Drainage
- Effective Maintenance of Pumping Stations, Septic Tanks, and Treatment Plants
- The ASL Approach: Cutting Through Traffic Jams for Smoother Drain Connections on Public Roads
- General Maintenance & Surface Water Guidance for Treatment Systems
- Autonomy: My Ultimate Retirement Plan and a Profound Accomplishment
- The Benefits of Choosing a Medium-Sized Drainage Company
- Protect Our Water: What You Can Do to Help
- Stop Surface Water Sabotaging Our Rivers – Simple Steps to Save Our Seas
- The Hidden Costs of Private Drainage Systems: Why a Specialised Survey is Essential
- Protecting Your Home from Rogue Traders: The Benefits of Choosing a Reliable Company
- The Hidden Costs of Private Drainage Systems: Why a Specialist Survey is Essential
- ASL Limited: Comprehensive Drainage Solutions
- The Effectiveness of Septic Tanks and Treatment Plants as Private Sewage Systems
- Are you prepared for a Sewage Emergency?
- The Hidden Costs of Private Drainage Systems: Why a Specialized Survey is a Must
- Why choose ASL drains
- SEPTIC TANKS treatment plants: Cesspool with a discharge, or a clinker bed treatment
- Sewage Treatment Plant Installation: Essential Information
- Selling Your Property with a Private Septic Tank System? Disclose and Prepare to Avoid Costly Surprises
- Unified Excellence in Drainage: The ASL Advantage
- Septic Tanks Demystified – Understanding Maintenance and Lifespan
- Fixing a Broken Drain Pipe in the Ground: A Cautionary Tale
- Buying a property with a private drainage system
- What to Do if Your Outside Drain is Blocked With Mud
- Porosity Test for Septic Tank
- Watermains Repair Service
- CCTV Drainage Surveys
- Installing a Septic Tank with Land Drains in Sandy, Porous Ground: A Step-by-Step Guide
- Reasons why focusing on health and safety is to great customer service
- What is Road Gully Sucking?
- The Importance of Expert Knowledge & Advice on Drainage
- Call ASL’s Blocked Drain Engineers Today!
- A House Purchase Survey is cost-effective
- Blocked Drains and the Environment
- Hey, listen up! Water companies in the UK
- What can I do if my pump station has broken down?
- Doing Our Bit: How Every Home Can Help Stop Pollution
- Blocked drains: what you need to know
- Sewage pump station emergency service
- Training our teams:
- Main Drain Connection: Expert Guidance from ASL Limited
- Flooded? Here’s how ASL Limited can help!
- How ASL Limited’s blocked drain engineers Are streamlining services for the future
- How long does a septic tank or treatment plant last after removing all threats?
- Road gullies (private roads) – cleaning schedules that prevent flooding
- Clear road gullies this October to prevent flooding and damage
- The ASL Limited Drainage Blog
- Direct boring and leak detection: Protecting your home and water supply
- Treatment plant, septic tank & pumping station inspection chamber lids.
- Cutting corners on your pumping station is just an illusion!
- Why is ASL so efficient and reliable?
- Delivering an effective main drain connection installation
- Installing a surface water soakaway: Step-by-step guide
- Understanding Road Gullies and Why Regular Cleaning Matters
- Selecting your specialist provider
- The never-ending cycle lurking below
- Why do my drains keep blocking up?
- 3 reasons a build over survey of your drains would be beneficial
- 5 benefits of proactively having drain mapping carried out with CCTV
- 5 reasons to get a CCTV drainage survey
- Why connecting to the main drain is essential for your property
- How to deliver an effective main drain connection installation.
- Discover the magic of CCTV surveys with ASL Limited!
- Emergency tanker service: because emergencies don’t wait
- Commercial maintenance: keep your business running smoothly
- How to get an accurate drainage estimate: don’t get caught off guard
- The complete guide to CCTV surveys: see what’s lurking in your pipes
- JOB | Fully experienced HGV sewage tanker driver
- The ‘tell-tale smell’ that shows surface water could be entering your private sewage treatment plant
- Environmental agency binding rules for septic tanks and cesspits
- Blocked drains – cleared in a thirty-minute window?
- Buying a property with a private drainage system?
- Other services offered by ASL Limited Drainage Specialists.
- Unblocking the Flow: Dealing with Blocked Drains at Easter
- Are your drain gullies working effectively?
- Jo Lycett vs Sewage
- A Blocked drain. Or is it?
- How to know when to empty your small domestic Treatment Plant
- What’s the difference between septic tanks and private treatment plants?
- A little blocked drain ditty
- Dyno-Rod and ASL Limited: Clearing the Path Together
- Gully Sucking FAQ
- Great camaraderie at work at Christmas time.
- What to-do and not-to-do at Christmas time
- Celebrating 25 Years of Excellence
- Your Septic Tank is Your Responsibility;
- Road gully cleaning: essential insights
- Save money and stress: Uncover the secrets to proactive gully cleaning and drain preservation.
- Don’t Let Drain Disasters Strike!
- How a septic tank works using separation
- Is your private sewage system compliant with the relevant standards?
- How can we provide a Guarantee?
- Jack of all trades, master of none.
- Septic Tank Longevity
- Gully sucking tips for commercial drains contractors.
- Our efforts to mitigate inflation – Enjoy a 20% Discount.
- Why Regular Drain Maintenance Saves You Money
- Our Gerry explains the advantages of our blocked drains engineers
- Water Mains and Leak Repair
- How Chemical Usage and Runoff can lead to river pollution
- How Improper Waste Management can lead to river pollution
- How Wastewater Discharge can lead to river pollution
- The top three links between households and river pollution
- Why it’s worth getting your drain unblocked!
- Understanding Septic Tank Functionality and Waste Disposal
- The Importance of Regular Septic Tank Maintenance
- About Drain Rodding
- Is your private sewage system in the grey area pre -1983?
- Why has my septic tank drainage field suddenly stopped working?
- 10 Reasons to Choose Our Blocked Drain Experts
- A house in the country with a small garden?
- Do your future self a favour.
- Why should you call an expert to deal with a blocked drain?
- The ‘tell-tale smell’ coming from your treatment plant…
- Blocked Drain Engineers
- Private Sewage Systems and how they are designed to work
- Advantages of using our blocked drains engineer.
- What a party pooper!
- Can Macerated Solids be pumped to my treatment plant?
- Reactive Vs Proactive in the Workplace
- Official classification does not guarantee clean water for swimming.
- What kind of private sewage system do I have?
- Our Danny having passed his HGV Licence
- Understand how surface water is getting into our drains
- Saving our land, sea and rivers from pollution!
- Pumping chambers, why would you want one, and how do they work?
- Top Tip for private sewage systems – rainwater ingress
- Building and installing a strong waterproof sewage pumping chamber.
- What is surface water ingress?
- Top Tip for private sewage systems – tank de-sludge
- A home buyer’s drainage nightmare?
- Fed up dealing with recurring blocked drains?
- ASL Limited maintains drainage for homes and businesses.
- How do we stay motivated in drainage
- Example solutions for ponding water or backed up sewage.
- Overflowing or ponding around your septic tank
- Collaboration is critical in-house and is a beneficial to our customers.
- Do I need a main sewer connection?
- Drainage works in the main public roads: main sewer connections
- What size and type of treatment plant is right for my property?
- Why upgrade to a treatment plant?
- Why does the rate of fall of the pipes from the house to the treatment plant matter?
- Who cleans up a building site?
- How to produce employees who produce top-quality work
- Is failing to prepare – preparing to fail?
- How fat and grease get into and build up in our pumping stations.
- Grease traps – catch the fat.
- “I don’t put fat down my drain!”
- The Average Cost of Clearing a Blocked Drain
- Drainage against pollution
- How much does it cost to unblock a drain in the UK?
- About ASL Limited’s ‘Why’
- Drainage works planning & timescales for main sewer connections & septic tank installations
- How ‘pushy’ should we be?
- Pumping station fatigue. Why they implode.
- The secret of a motivated team.
- Keeping your head in the sand?
- Who did we help in 2021?
- Are we causing public sewer drains to block?
- We need to talk about fat, grease and oil!
- How to stop fat, grease and oil going down your drain.
- What is a pumping station?
- How can structural drain lining reduce blocked drains?
- A recurring blocked drain
- Can toilet paper cause a blocked drain?
- Looking after your pump station
- Blaming & Complaining – The other people are not looking after the environment!
- Blocked drains can cause undermining/subsidence – what about insurance?
- When can’t a blocked drain be cleared for a fixed price.
- A blocked drain: is it that simple?
- Fixed price blocked drain clearance.
- ASL Limited’s ‘infinite game’
- Blocked drain unbelievable prices!
- A simple block drain or a connection to the main public sewer.
- Blocked drain clearance in Guildford, Surrey.
- ASL Limited is ready for the HGV Euro VI Emissions Zone Extension; affecting our sewage tankers in order to empty, service and repair your pumping stations.
- ‘Where’s the drainage report from the surveyor?’
- Why do my drains smell bad?
- Why are Google reviews so important to businesses?
- How to use your sink plunger effectively
- Rainwater is getting into your private sewage system!
- Septic tank/treatment plant retention time
- Preparation and Planning to install a new sewage treatment plant.
- Domestic Drainage Services from experienced specialists.
- What is a Klargester septic tank?
- What is a Cesspit?
- Septic Tank Emptying
- The Best Products to Unblock Drains in Your Home
- How to prevent drain pipes freezing this winter.
- How to maintain your treatment plant
- What is a treatment plant?
- Drain blockage prevention and how to clear plugholes
- Why does my toilet bubble?
- Do blocked drains cause rising damp?
- What’s the difference between plumbing and drainage?
- How to clear out a blocked toilet drain
- Is your house drainage system working correctly?
- Our Methods of Giving Your Sewer a Pump Out
- Advice on Sewage Leaks
- Professional Sewer Unblocking Service
- What we have learned from drain inspections to give your drains a fighting chance
- How and Why Water Treatment Plants Need Maintaining
- Septic Tank Costs: Installations, Emptying and Replacements
- Your options for sewage treatment plants
- How to know when to empty your septic tank
- How to unblock a bath drain
- What to do if your outside drain is blocked with mud
- A reminder: new septic tank regulations for 2020 and beyond
- Advice and help on how to unblock a sink
- What to do when buying a house with a septic tank
- Cleaning out drains blocked by cement
- How to Fix a Broken Drain Pipe Underground
- How we repair water mains at ASL Limited
- What’s the difference between cesspits and septic tanks?
- What is a Septic Tank?
- How to save water during a heatwave
- How to tell if you have a collapsed drain.
- Drainage building regulations and what you need to know
- How do I find the drainage plans for my house?
- If you’re getting brown water from your tap, here are some causes and what may be wrong
- What is wastewater, where does it come from and where does it go?
- Information you are legally required to share about your private sewage system when selling your house
- How a percolation test should be carried out
- What to do if pipes freeze
- What to check If you’re buying a house with a septic tank
- How to clear a blocked drain
- How to prevent your shower drain from blocking
- 50 items you should never put down the drain and why.
- Surface water drainage – what it is and how to check your home
- Can drains unblock themselves?
- Everything you need to know about channel drain installation
- How to effectively save water in your garden.
- Grease trap cleaning: 7 quick and easy steps
- Types of Water Damage | Help & Advice
- What is a Septic Tank Drainage Field, Soakaway or Land Drain?
- How to unblock a u-bend in a drain
- Lateral drains: everything you need to know
- Common causes of blocked drains and how we unblock them
- Solutions for clearing your blocked shower drain
- Garden drainage solutions for your waterlogged property
- How to install underground drainage
- Smelly Drains: Causes, Problems and Solutions
- Understanding Water Mains with ASL Limited
- What is a Drainage Field?
- What is a rainwater soakaway?