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How Much Does It Cost to Unblock a Drain in the UK?
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Introduction The costs for drain unblocking vary depending on the time the engineer is with you, the type of unblocking needed (jetting, rodding, etc), and whether there are any added complexities such as CCTV surveys or pipe repairs. Drainsco charge fixed half-hourly rates with no additional call-out fees or emergency surplus costs. Any additional work needed will be quoted upfront ahead of any work being carried out.
Drain Unblocking Cost in the UK Across most cost guides and trade pricing data from 2025 and 2026, a standard blocked drain in the UK typically costs £80 to £250 to clear, with the honest national average sitting closer to £100 to £150 for a straightforward job. That’s rods or a light jet, no digging involved, no CCTV survey required. A few things pull that number in different directions: A simple sink, bath or toilet unblock tends to be cheapest, often £65 to £90. General drain rodding averages around £85, based on trade pricing data. Jetting, which uses high-pressure water to blast through tougher blockages, typically runs £70 to £175, though more stubborn commercial-grade jobs can climb past £450. A CCTV drain survey, used when the cause isn’t obvious, adds anywhere from £80 for a quick look to £250-£300 for a full jetted survey with a written report. Honestly, the one thing that changes the bill more than anything else is timing. The exact same blockage, cleared at 3 pm on a Tuesday versus 11 pm on a bank holiday, can be a completely different invoice for most drainage companies. But not for Drainsco. Our rates remain the same no matter the day or time.
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What Actually Changes the Price A few readers have asked us over the years why one job costs £90 and another, seemingly similar one, costs £300. It usually comes down to a handful of factors. 1. Where the blockage sits: A blockage under your kitchen sink is a five-minute job. One three metres down a manhole is something different. 2. What’s causing it: Soap scum responds well to rodding or jetting. Tree roots or a collapsed section of pipe need more serious intervention, sometimes relining or excavation. 3. Access: Can the engineer get a jetting hose or camera to the blockage easily, or is it behind a manhole cover that hasn’t been lifted in a decade? 4. Whether it’s actually your responsibility: This one catches people out more than any other, and it’s worth its own section…
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How to Avoid Overpaying A few habits go a long way here, and none of them require any special skill. Scrape fat and food waste into the bin rather than down the sink, even when it’s still liquid. It sets the moment it cools. Bin wipes, cotton pads and sanitary products instead of flushing them, no matter what the packaging claims. Ask upfront whether a company charges a fixed fee or an hourly rate plus call-out, so you’re not caught out mid-job. Before booking anyone, ask whether the blockage might be in a shared or lateral drain, since that could mean the work is your water company’s responsibility, not yours. Get a written quote before work starts. Transparent, fixed pricing avoids the classic “it turned out to be more complicated” conversation.
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Conclusion For most UK homes, expect £80 to £250 for a standard blocked drain, with emergency or out-of-hours work adding to that. Bristol and most regional cities tend to track close to the national average, while London runs higher. If you’re dealing with a blocked drain, blocked sink or need emergency drain unblocking, it’s always worth getting a fixed, upfront quote rather than an open-ended hourly rate, and worth checking who’s actually responsible before you pay for anything. If you’re in Bristol or anywhere else across Drainsco’s coverage area and need a hand, our engineers offer transparent, fixed-price quotes with no call-out fee and are available 24/7, including bank holidays. Get in touch with Drainsco for a fast, honest assessment of your blocked drain.
Get in Touch 0808 303 0777 www.drainsco.uk enquiries@drainsco.uk