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General Repairs

Cost to Unblock a Drain Professionally

Last updated: 4 September 2026

Quick Answer

Professional drain unblocking typically costs £80-£200, depending on the blockage location and severity.

Overview

Blocked drains can be unblocked professionally. This guide covers the cost of professional drain unblocking.

Step-by-Step Fix

Safety & Preparation

Before beginning any repair, ensure you have isolated power or water supplies. Clear your workspace, gather standard hand tools, and wear appropriate personal protective equipment (PPE).

  1. Start by identifying exactly which drain is blocked; this could be a sink, toilet, shower, or an external gully, and note if other drains are also affected. Observe carefully for any overflowing water, slow drainage, or unusual smells to help pinpoint the obstruction's location.
  2. Look for a reputable drain unblocking specialist in your local area by searching online directories like Checkatrade, TrustATrader, or even Google Maps. Prioritise companies with good reviews, clear contact information, and an indication that they operate nearby to avoid excessive travel costs.
  3. Contact at least two to three different drain specialists and clearly explain the nature of your blockage to each of them. Request a detailed quote, ensuring it includes call-out fees, estimated labour costs, and any potential charges for advanced diagnostic tools like CCTV surveys.
  4. Once you have compared the quotes and chosen a specialist, confirm the booking for a date and time that suits you. Make sure you understand their arrival window and what preparations, if any, you need to make before their visit.
  5. After the work is completed and you are satisfied the drain is clear and flowing correctly, ensure you receive a detailed receipt for the services provided. Additionally, ask for and keep a copy of any guarantee or warranty that covers the unblocking work performed, noting its duration and terms.

Common Symptoms & Diagnostic Resolutions

Review the common error codes and operating symptoms below to quickly identify the root cause of the fault before ordering replacement parts.

Symptom / CodeLikely Root CauseRecommended Resolution
Drain still blockedSevere blockageThe specialist will use a jetter or camera.

Frequently Asked Questions

Can I unblock a drain myself?

Yes, for simple blockages with a plunger or drain rod.

How much does a drain camera survey cost?

Typically £100-£200.