
Blocked Drains Thornbury
Providing over a decade of dependable drain solutions in Thornbury and the surrounding areas. We offer a complete range of residential and commercial drain services using industry-proven methods and highly trained professionals. Our commitment to fast, clean, and affordable service ensures your drains emergencies are handled with care and urgency.
Need Help Right Now? Call 0117 427 4565
Blocked Drains in Thornbury - Trusted Local Drain Specialists
24/7 Drain Unblocking in Thorbury – Fast, Local, No Call-Out Fees
Got a blocked drain, toilet, or gully in Thornbury? Flow Sure Drains delivers rapid, professional drain clearance in Thornbury and surrounding areas – with no call-out charges and same-day availability.
Our local engineers use high-pressure water jetting, CCTV inspections, and no-dig repair options to fix problems fast and prevent them coming back. Whether you’re a homeowner, business, or landlord – we’ve got you covered.
✅ Emergency drain clearance 24/7
✅ Jetting, CCTV surveys & relining
✅ Domestic & commercial
✅ Fixed pricing, no surprises
✅ Checkatrade Approved & Trusted in Thornbury
BS35 1 – Central Thornbury (High Street, Castle, Morton Way area)
BS35 2 – Thornbury South, Rock Street, Crossways area
BS35 3 – Alveston, Rudgeway, Tockington
BS35 4 – Aust, Elberton, Littleton-upon-Severn, Olveston, Oldbury-on-Severn
BS35 5 – Pilning, Severn Beach
BS35 6 – Easter Compton, Hallen (borderline 5–6 miles)
BS32 4 – Almondsbury
BS32 9 – Hortham, close to Cribbs Causeway
BS32 8 – Bradley Stoke North fringe
BS32 0 – Patchway North
GL12 8 – Charfield, Wickwar zone)
GL13 9 – Berkeley
📞 Call 0117 427 4565– Fast response


Drainage Problems We Fix in Thornbury
Blocked toilets, sinks, baths and showers
Overflowing or smelly outdoor drains
Tree root ingress and collapsed pipework
Drainage issues in rental or commercial properties
Surface water flooding or slow-draining manholes
Flow Sure Drains is widely recognised as Thornbury’s most reliable drainage company.

How We Unblock Drains in Thornbury and the surrounding areas
Assessment – Fast diagnosis using visual or CCTV inspection
Jetting – High-pressure water blasts away blockages
Follow-up – Optional repairs or no-dig relining if needed
Aftercare – Clean site, clear advice, and full system test
We unblock drains without disruption, and we always explain your options.


Serving Thornbury & Surrounding
We regularly serve:
Sedbury
Bulwark
Tutshill
Pwllmeyric
Need help across the Severn? We also cover South Gloucestershire and North Bristol.
Call Flow Sure Drains – Local. Responsive. Trusted Across Thornbury

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.

Thorough Inspections
During our initial inspections, we will check crawl spaces, attics, wooden decks, door frames, and window sills, among many other spots.
Your Go-To Experienced Emergency Drain Repairing Professionals With Customized Solutions for Urgent Needs
❓Do you cover Thornbury even though you’re based in Bristol?
Absolutely. We regularly serve homes and businesses across Thornbury, Alveston, and the whole BS35 postcode. Our engineers are often in the area — we treat Thornbury like a local zone, with no extra call-out charges.
❓How fast can you get to a blocked drain in Thornbury?
Usually within 60–90 minutes, depending on traffic. We’re based just down the M5, so we’re closer than most local firms. For emergency drain unblocking in BS35, we’re one of the fastest responders.
❓Are there any call-out fees for Thornbury?
Nope. We don’t charge a call-out fee for Thornbury or surrounding villages like Tockington or Oldbury-on-Severn. You’ll only ever pay for the work we actually do.
❓Do you offer CCTV drain surveys in Thornbury?
Yes — we carry out professional-grade CCTV drain inspections across the whole BS35 area. Whether you’re buying a house in Thornbury or dealing with recurring blockages, our survey kit gives you a full digital report, including video.
❓What kinds of drainage problems do you fix in Thornbury?
We handle:
Blocked sinks, toilets & drains
Overflowing manholes
Tree root intrusion
Broken or collapsed pipes
Drain odours and gurgling
Pre-purchase CCTV surveys
If water’s not flowing, we’ll get it sorted.
❓Can you unblock outside drains after heavy rain or flooding?
Yes — we’re experienced in flooded gullies and surface water issues, especially around rural parts of BS35 like Oldbury or Aust. We’ve got the gear to clear everything from silt to roots.
❓Do you work with landlords and letting agents in the Thornbury area?
Yes — we’re trusted by local property managers and letting agents across South Gloucestershire. We offer same-day emergency cover and digital reporting, ideal for portfolio landlords and agent compliance.
❓Are your drainage engineers qualified and insured?
Every Flow Sure Drains engineer is:
Fully trained
CSCS certified
Covered by £5M public liability insurance
Equipped with the latest jetting and CCTV equipment
You’re in safe hands.
❓Do you offer weekend or out-of-hours service in Thornbury?
Absolutely. We run a true 24/7 service, including weekends and bank holidays. Blocked drains don’t wait — and neither do we.
❓Can you help with bad smells from drains in Thornbury homes?
Yes — we’re specialists in diagnosing and resolving drain odour issues. Whether it’s a dry trap, collapsed pipe, or hidden gunk, we’ll sniff it out and fix it fast.

What Our Clients Say About Our Service
