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Drainage services across Hampshire

From Southampton, Portsmouth and Winchester to market towns, coastal communities and rural properties, SouthFlow covers the whole of Hampshire from its Petersfield base.

Illustration of underground drainage pipework and an internal pipe liner
Drainage illustration

Local Drainage Support
Across all of Hampshire,
Surrey & West Sussex

Blocked drains and 24/7 drainage help across Hampshire

SouthFlow Drainage is based in Petersfield and provides drainage help for homes and businesses throughout Hampshire. Contact us about blocked drains, toilets or sinks, CCTV inspections, high-pressure jetting, repairs and relining. Describe the symptoms and the property address so the enquiry starts with the problem you need resolved.

Call 07922 321154 for urgent drainage help and explain any overflow or loss of essential facilities. For planned work, email info@southflowdrainage.co.uk with previous findings and access information. Discuss availability and charges directly for the proposed work.

Choose your Hampshire drainage service

Find the right service for your home or business.

Clear restrictions in internal and external drains.

Drain Unblocking
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Drain unblocking addresses a restriction that prevents wastewater flowing normally. Tell SouthFlow whether the problem affects an internal fixture, an outside gully or several connected outlets. Grease, debris and flushed items can cause restrictions, while roots or pipe damage may need further investigation. A symptom such as a bad smell or slow sink does not establish the cause on its own.

Help with blocked, slow-flushing and overflowing toilets.

Toilet Unblocking
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A rising toilet bowl, repeated blockage or wastewater returning through other outlets can require different investigation. Stop flushing if the water level is rising and tell SouthFlow whether another toilet is usable. Describe any overflow and keep occupants away from escaped wastewater while arranging help.

Clear kitchen sinks and bathroom basins.

Sink Unblocking
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Kitchen waste pipes can accumulate grease and food debris; bathroom basin waste routes can collect hair and soap residue. Explain whether the sink is draining slowly, completely blocked or filling when another outlet empties. Water returning through several fixtures may indicate a restriction beyond the sink itself.

Investigate blockages, roots and pipe damage.

CCTV Drain Surveys
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SouthFlow provides domestic and commercial CCTV drain inspections across Hampshire to identify blockages, root ingress, damaged pipes and other drainage problems. An inspection can help investigate recurring restrictions or support repair planning around an observed defect. Camera access and visibility depend on the pipe route, available entry points and any obstructions.

Inspect accessible drains before a property purchase.

Homebuyer CCTV Inspections
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SouthFlow offers CCTV inspections for customers buying properties in Hampshire. The inspection can help identify drainage problems in accessible pipework before you make a purchase decision. Customers receive footage, images, recommendations and a written summary where required, with footage and findings aimed within 24–48 hours.

Remove suitable deposits and stubborn blockages.

Drain Jetting
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High-pressure water jetting can remove suitable deposits and obstructions from drainage pipework. Explain whether you need clearance for an active blockage or planned cleaning to address accumulated material. Access, known pipe damage and the nature of the obstruction affect the approach; jetting should not be treated as suitable for every drain.

Assess and repair damaged drainage pipework.

Drain Repairs
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Recurring blockage, persistent odours or visible leakage can justify investigation without proving that a pipe is broken. Once damage is identified, the repair proposal should explain the location, extent and suitable method. Internal repairs may address some defects; severe collapse or displacement may require excavation and replacement.

Explore internal repair for suitable damaged drains.

Drain Relining
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Relining forms a new lining inside suitable existing drainage to address identified defects. Camera inspection helps establish the repair length, condition and connections. Preparation can include cleaning or removal of obstructions, and the pipe must be suitable for the chosen method. A severe collapse or inaccessible section may need another repair approach.

Clearance, investigation or structural repair?

A restriction that stops wastewater flowing may need clearance. When the same symptoms return, CCTV inspection can help investigate accessible pipework for blockages, roots and damage. Repair or relining should follow the observed defect and suitability of the method, rather than being assumed necessary for every blockage.

If more than one property is affected or the reporting route is unclear, establish who is responsible before commissioning private work. Highway drainage, public sewer issues and private-property drainage can involve different organisations. Give the full location when asking the relevant authority or sewerage company to confirm its remit.

CCTV inspection outputs and property purchases

SouthFlow provides video footage, photographs or screenshots of identified problems, a written summary where required and recommendations for cleaning, repairs or relining. We aim to provide footage and findings within 24–48 hours.

We offer inspections for property buyers but do not currently provide formal coded homebuyer or build-over survey reports. Check any third-party reporting requirements before booking and arrange a specialist reporting provider where needed.

Hampshire drainage questions

Do you offer 24/7 drainage help?

Yes. SouthFlow provides 24/7 drainage help. Tell us where the problem is, whether wastewater is overflowing and how essential facilities are affected. Attendance arrangements are confirmed for the individual enquiry.

Where is SouthFlow based?

SouthFlow is based in Petersfield and covers Hampshire, Surrey and West Sussex. A town page describes our coverage; it does not mean we have a separate branch in that town.

Should I book clearance or a CCTV survey?

Clearance addresses a restriction, while CCTV inspection investigates visible condition inside accessible pipework. Describe the symptoms and any previous problems first so the appropriate next step can be discussed.

What should I do if wastewater is overflowing?

Avoid adding more water through affected outlets where that worsens the overflow. Do not repeatedly flush a blocked toilet, and keep people and pets away from wastewater.

Does a blocked drain always need a repair?

No. A blockage can occur without structural damage. If a defect is suspected or the restriction keeps returning, inspection may help establish whether repair is needed.

What information helps when requesting help?

Provide the full address and postcode, the affected outlets and when the problem started. Include previous findings, access restrictions and the contact who can authorise work at a rented or managed property.

How much does the work cost?

We quote for the work your property needs. The price depends on the problem, access, preparation and attendance arrangements. When requesting a quote, ask what is included and whether VAT or additional investigation charges apply.

Domestic & commercial drainage

SouthFlow provides drain clearance, investigation and repair services, with £5 million public liability insurance.

Whole-county coverage

Hampshire

Cities

Towns

Villages & local communities

Alresford
Barton on Sea
Beaulieu
Bishopstoke
Botley
Brockenhurst
Bursledon
Chandler’s Ford
Chawton
Church Crookham
Denmead
East Wellow
Four Marks
Grayshott
Hayling Island
Headley
Hook
Horndean
Hythe
Kings Worthy
Liphook
Liss
Locks Heath
Lyndhurst
Milford on Sea
Netley
North Baddesley
Overton
Portchester
Selborne
South Hayling
Stubbington
Titchfield
Warsash
Whitehill
Wickham

We also cover the surrounding villages, hamlets and rural properties throughout Hampshire.

View all three counties →