Blocked Drains in July? Summer Drainage Problems in Hampshire, Dorset & Wiltshire

JD Drainage Blocked Drain Solution

Blocked drains are increasingly common in Dorset, Hampshire, and Wiltshire during July—especially after storms or BBQs.

Red: BBQ grease, garden waste and jet-washing runoff often lead to blocked drains in Hampshire and Dorset, with fatbergs and silt choking older pipework.

Amber: Tree roots thrive in warm weather, causing cracked pipes and slow drainage—especially in older systems across Salisbury and Winchester.

Green: A CCTV drain inspection in Hampshire from JD Drainage pinpoints problems fast—offering trenchless drain repairs and same-day clearance across the region.

Result: Whether it’s blocked drains in Gillingham or CCTV drain inspections in Dorset, JD Drainage clears summer backups quickly and cost-effectively.

Summer: Prime Time for Blocked Drains in Dorset, Hampshire and Wiltshire

When we think of drainage problems, winter floods come to mind. But in reality, July sees the highest volume of blocked drains in Dorset and blocked drains in Hampshire. The combination of heat, grease, and outdoor activity overwhelms already ageing drainage infrastructure.

Common causes in summer include:

  • BBQ grease washed down external sinks—solidifying in traps and pipes
  • Hosepipe overuse stirring up debris and compacted silt
  • Hair, suncream and wet wipes clogging shower and bathroom waste
  • DIY drain clearing with rods or chemicals worsening blockages

If you’re noticing early warning signs, explore our top signs you need your drains unblocking to take early action.

Tree Roots and Cracked Pipes – Wiltshire’s Summer Drain Saboteurs

Warm soil and long days encourage tree roots to explore and expand. Root ingress is one of the leading causes of Blocked Drains Wiltshire and Blocked Drain Hampshire, particularly in older systems with clay pipework.

We frequently use CCTV drain surveys in Salisbury and Andover to detect hidden root ingress and recommend non-invasive drain relining.

What’s Lurking in Your Drains? Let CCTV Tell You

A CCTV drain survey is the most efficient way to find hidden problems like root ingress, grease build-up or collapsed joints—especially before selling or letting property.

Recent summer call-outs include:

Why Summer DIY Often Makes It Worse

DIY drain clearing is a summer tradition—but it’s often a false economy. Excessive jetting, chemical damage, and pipe misalignment are common outcomes.

Explore our guide on why DIY drain clearing often makes it worse, and consider professional drain unblocking services before risking long-term damage.

We regularly carry out CCTV surveys in Basingstoke after amateur jetting causes more harm than good.

Real Cases: Blocked Drains and CCTV Inspections This July

JD Drainage has resolved a wide range of issues this month through our 24/7 emergency drainage service:

Don’t Wait for a Flood – Book a Local Expert Today

FAQs – Summer Drainage in Hampshire, Dorset & Wiltshire

Why do blocked drains increase in summer in Hampshire and Dorset?Why do blocked drains increase in summer in Hampshire and Dorset?

 Grease from BBQs, root growth, and high water use from hoses and showers all contribute. Learn more in our summer drain problems blog.

Yes, our CCTV drain survey service covers all major towns, including holiday let inspections.

With our 24/7 emergency team, we aim for same-day callouts across the region.

Absolutely. Our drain relining specialists handle everything from patching to full pipe replacement without excavation.

Yes, we offer pitch fibre drain repairs using advanced methods to reinforce ageing systems.

We provide 24/7 unblocking, trenchless relining and CCTV inspections across both regions.

Blocked Drains in Summer? Act Before a Flood