Knowledge Centre

Park Home Drainage Problems Explained.

Drainage problems on park home sites are one of the most common causes of base damage, damp issues and disputes with operators. They're also one of the most diagnosable — if you know what to look for.

Park Home Drainage Problems Explained.

The two layers of drainage

Site drainage — the operator's responsibility. The communal drains, surface water management, and how rainfall moves across the site. If site drainage fails, water arrives at your pitch.

Pitch drainage — partly the operator's (the pitch itself), partly the resident's (immediate edges of the home, gutters, downpipes, surface treatments). If pitch drainage fails, water sits next to or under the home.

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Symptoms and what they mean

Pooling water around the home in rain — pitch drainage issue or surface gradient. Damp patches on internal walls near floor level — water ingress at base level. Soft ground around the home — long-running drainage problem starting to affect the substrate. Uneven base over time — drainage causing differential ground movement. Damp under the home (when checked) — a sign that water is reaching the underside. Flooded driveways or paths to the pitch — site drainage problem.

What proper diagnosis covers

A drainage assessment should look at: the gradient of the pitch, the condition of any french drains or surface drainage installed, the gutter and downpipe path, the connection of the home's drainage to the site main, the run-off pattern in heavy rain, and the wider site context above your pitch.

Without this, a contractor's solution often misses the cause. We've seen owners pay several thousand for relevelling when the underlying problem was a blocked communal drain feeding water onto the pitch — the relevelling will fail again within months.

Operator vs resident

If runoff onto your pitch is coming from the site infrastructure or neighbouring pitches, that's the operator's issue and should be put to them in writing. If it's purely about gutters, downpipes or surface treatments within your pitch, that's typically yours.

Before You Commit to Repairs

Once work starts, it becomes much harder to challenge cost or scope. A specialist quote review costs nothing to start — and can save thousands.

Frequently Asked

Common questions

Who pays to fix drainage problems on a park home site?
Depends on whether the cause is on the operator's side (site infrastructure) or the resident's side (pitch-specific). Proper diagnosis is the difference between paying yourself and being able to put the cost back to the operator.
Can drainage problems cause base failure?
Yes — long-running water ingress around or under a park home is one of the leading causes of base movement. Catching it early is dramatically cheaper than fixing the consequences.
How much does park home drainage work cost?
Localised drainage corrections can be a few hundred pounds; comprehensive solutions involving french drains or significant ground works can run into thousands. Diagnosis first, scope second, price third.
Independent guidance Quote review included Reduced inspection rates

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