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Westminster pest advice

Rats in Westminster: Basements, Drains and Period Terraces

Rats in Westminster are most often a drain or basement issue under the borough's grand period terraces, rather than the garden problem they might be elsewhere in London.

Updated 17 September 2026 · Pest Control London 24

Rat Control Westminster: £190 flat / £240 house

Basements under the period terraces

Rat at the mouth of a drain pipe

The tall stucco terraces of Pimlico and the streets around Victoria typically have a basement or lower-ground floor, often below the level of the drains that serve them, and a fault in that old pipework can put rats directly into a basement kitchen or utility room with no visible hole outside.

Restaurant rows in Soho

The dense cluster of restaurants and bars along Soho's streets means food waste, bin stores and shared basement kitchens are never far apart, and rats here tend to move between neighbouring premises along shared service routes rather than surfacing in any one building alone.

Mews courtyards in Mayfair

Rat in a gap at the base of a wall

Mayfair's mews houses sit around shared courtyards that were built for stabling rather than for modern drainage, and a rat working its way along an old mews run can reach several properties before anyone traces where it started.

What to do first

  • Confirm it's a rat and note where and when you've seen or heard it
  • Remove easy food: bin stores left open, food waste not properly sealed
  • Book treatment rather than laying poison where staff, residents or pets could find it
  • Leave any hole you've found open for now, so nothing is sealed inside a wall
  • Once activity has stopped, get the actual route closed rather than assuming it's over

Closing the route for good

Treatment clears the rats present; the gap they used stays until it's dealt with. Above ground that means sealing pipework gaps, damaged airbricks and worn basement thresholds with materials a rat cannot chew - our rodent proofing service covers those points. Where a drain or basement void is the route, a camera survey and repair is usually the only lasting fix.

Booking rat control in Westminster

Rat control anywhere in Westminster is £190 for a flat and £240 for a house, and because around Westminster, where government and institutional buildings sit alongside residential streets and mansion blocks, mentioning that when you book rat control points us towards the likely route in, with the rest of the detail on the Westminster rat control page.

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