Drain unblocking cost UK

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Realistic 2026 prices, what pushes the cost up, and quotes from companies covering your postcode.

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Most domestic drain jobs in the UK cost between £80 and £250. The number that decides where you land in that range is rarely the blockage itself. It is access, timing, and whether anyone actually needs to be paid at all.

Typical drain unblocking costs in the UK (2026)

Type of job Typical price range Notes
Simple domestic unblocking by rodding £80 – £150 Basic blockage, easy access
High pressure jetting £150 – £250 Stubborn blockages, grease, silt
Emergency or out of hours call-out £180 – £350+ Evenings, weekends, bank holidays
Unblocking plus a basic camera check £200 – £350 When the cause is unclear
Complex or repeated blockage £250 – £400+ May need further investigation

Most straightforward domestic jobs land between £100 and £220.

Before you pay anyone, check whose pipe it is

It can take the bill to zero, and most people skip it.

From 1 October 2011, most shared private sewers and lateral drains in England and Wales transferred to the water companies. So the pipe serving only your house, inside your boundary, is yours. A pipe shared with neighbours, or one beyond the boundary, is usually theirs.

Water companies clear blockages on their own network at no charge. Every major company says so, and it applies no matter who put the wipes down it.

The quick test

  • Only your house affected, in dry weather. Almost certainly your pipe, so a contractor
  • Several houses in the row affected at once. Likely the shared run, so ring the water company first
  • Only during heavy rain, clearing afterwards. The sewer running full rather than a blockage. Report it, do not pay for rodding
  • Water in the road rather than the house. The council, through their highway drainage team

A private firm should not be paid to clear a public sewer. If a company arrives, lifts a cover and tells you the problem is beyond your boundary, the correct next step is a free call to the water company, not an invoice.

Scotland is different and it matters. The 2011 transfer did not happen there. Shared pipework in a tenement is normally owned jointly by the flat owners, with the split set out in the title deeds. There is more on that on the Glasgow page.

What actually changes the price

Access, which is the big one

The work is often quick. Reaching the drain is what takes the time.

  • An open, findable cover is the cheapest job there is
  • A cover paved, decked or concreted over has to be located first, and that is time on the clock before anything starts
  • A cover inside an extension or under a solid floor is harder again
  • No vehicle access, in a back to back, a shared entry or a steep terraced street, means the hose runs a long way from wherever the van can stop

The method

  • Rodding is cheaper and clears a soft blockage close to a chamber
  • Jetting costs more, cuts through fat, silt, scale and roots, and cleans the pipe wall rather than punching a hole through the middle

A rod through a root mass buys you months. Jetting deals with it properly. If the same stretch keeps closing, paying for rodding repeatedly costs more over a year than jetting once.

The clock

Out of hours is the single biggest jump on the list. Evenings, weekends and bank holidays can add £100 or more to the same job.

If waste is coming into the house, ring anyway. If the drain is merely slow on a Saturday and nothing is overflowing, Monday morning is considerably cheaper.

Where you are

Prices are not even across the country. London sits above everywhere else, with straightforward daytime jobs typically £90 to £180 rather than £80 to £150, and parking and the congestion charge on top in central boroughs.

Outside London the spread is narrower than people expect. Some Sheffield firms advertise from around £55 for a simple daytime job, some in Manchester from £60 and some in Leeds from £65. Treat all of those as starting points rather than the price you will pay.

Questions worth asking before you book

  • Is the price inclusive of VAT? A quote of £120 and a quote of £120 plus VAT are £24 apart
  • Is there a separate call-out fee, or is it built into the price
  • What does the price cover, a fixed job or an hourly rate with a minimum
  • What happens if it needs jetting rather than rodding, and what does that cost
  • What happens if the cover cannot be found, and is there a charge if nothing gets done
  • Is a camera included if the cause is not obvious once they are on site

The most common complaint about drainage pricing is not that it was high. It is that a job quoted at one number arrived at another because something reasonable was not mentioned in advance.

When it is worth paying for a camera as well

Adding a survey pushes a job toward £200 to £350. That is worth it in specific situations rather than as a matter of course.

  • The same stretch keeps blocking after being cleared, which usually means the cause is structural
  • Roots are suspected, because a camera separates root mat that jetting will clear from a cracked pipe that needs repair
  • You are about to pay for a repair, so you buy the right one
  • An insurer is involved and wants evidence of what failed
  • There is a dispute with neighbours over a shared run
  • You are buying the house, since a standard building survey does not film the drain

Costs and what a report should contain are on CCTV drain survey cost.

What you can try yourself first

Some jobs do not need anybody.

  • A single slow sink or basin is often the trap under it, and a plunger or taking the trap off will clear it
  • A slow toilet on its own can sometimes be shifted with a plunger
  • Leaves and silt in an outside gully can be lifted out by hand with gloves on

Where it stops being a DIY job: more than one fitting affected at once, an overflowing outside gully, waste coming back up anywhere, a smell in a cellar, or the same blockage returning. Those all point past the trap and into the main run, and rods and a jetting hose are the only reliable answer.

One warning on caustic drain products. They can clear a soft blockage in a sink. They do very little to fat and nothing to roots, and a chamber full of caustic liquid is unpleasant for whoever has to put their hands in it afterwards. Mention it if you have used any.

When to stop reading and ring somebody

  • Waste is coming into the house, from a toilet, a shower, a cellar or a basement
  • An outside gully is overflowing rather than draining slowly
  • There is a sewage smell indoors
  • More than one fitting is affected at the same time

Waste inside the building is the point at which price stops being the main question. Ring the water company as well if neighbours have the same problem, because if it is their sewer they should attend and it costs you nothing.

Frequently asked questions

How much does it cost to unblock a drain in the UK?

Most domestic jobs cost between £80 and £250, with straightforward daytime work usually £100 to £220. Out of hours is higher.

Could it cost me nothing?

Yes. If the blockage is on the public sewer, the water company clears it at no charge. That is why it is worth working out whose pipe it is before you book anyone.

Is jetting more expensive than rodding?

Yes, usually £150 to £250 against £80 to £150. It is also more likely to fix the problem properly if fat, silt or roots are involved.

Do companies charge a call-out fee?

Some include it, others add it separately, particularly outside normal hours. Ask before booking.

Why is the quote higher than the price advertised?

Usually access. A buried cover, no vehicle access or a chamber inside an extension all add time, and advertised prices assume none of that.

Should I wait until Monday?

If nothing is overflowing and no waste is entering the house, yes, and you will pay noticeably less. If waste is coming in, do not wait.

Is a camera survey included?

Not normally. Expect £200 to £350 for unblocking with a basic camera check. Ask whether the footage and a written report are included, because a look on a screen and a report are different things.

Should I try DIY first?

For a single slow sink or toilet, yes. For an outside gully, waste backing up, or more than one fitting at once, no.

Are drain repairs covered by home insurance?

Sometimes, depending on the policy and the cause. Insurers generally want evidence, which is where a survey with a written report matters.

Is Scotland the same?

No. The 2011 transfer applied to England and Wales. In Scotland shared pipework is normally owned jointly by the owners, with the split in the title deeds.

Getting a quote

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