Drainage Knowledge Library

Expert guides and articles covering everything you need to know about UK drainage systems, repairs, and regulations.

General

Drainage Guidance

Interceptor Traps

Surveys

CCTV Drain Survey

What Happens in a Drain Survey

Drain Mapping & Tracing

CCTV Drain Survey FAQs

Off-Mains

Soakaways & Drainage Fields

Septic Tanks

Sewage Treatment Plants

Off-Mains Drainage Systems

Septic Tank Baffle Collapse

Percolation Test Guide

Septic Tank Emptying Frequency

Septic Tank vs Treatment Plant

Cesspit Emptying Guide

Services

Drain Jetting

Drain Descaling Explained

Repairs

Drain Lining (No-Dig Repairs)

Excavation & Drain Repairs

Drain Lining vs Excavation

Collapsed Drain Repairs

Regulations

Drainage Compliance

General Binding Rules

Building Regulations Part H

Landlord & Tenant Drainage

Are Septic Tanks Legal UK?

Septic Tank Permits Guide

Soakaway Regulations 2025

Water Company vs Homeowner Responsibility

Diagnosis

Signs of a Blocked Drain

Blocked Toilet vs Blocked Main

Costs

CCTV Drain Survey Cost UK

Drain Unblocking Cost UK

Problems

Root Ingress in Drains

Gully & ACO Channel Problems

Rainwater Downpipe Problems

Prevention

Grease & Fatbergs Prevention

Insurance

Blocked Drains Insurance

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