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Squirrels in Harrow Lofts: Signs, Damage and Control

Harrow-on-the-Hill's mature trees and Stanmore's larger gardens both give grey squirrels an easy route from branch to roof, and each ends up in a slightly different kind of loft.

Updated 17 September 2026 · Pest Control London 24

Squirrel Control Harrow: £280 trapping service

From the trees to the roof line

A grey squirrel is equally at home crossing tree canopies or running along a fence top as it is moving across the ground - the same pattern holds near Harrow, where the older hilltop core at Harrow-on-the-Hill and the busier streets around Harrow town centre. Where a mature tree stands close to the house, an overhanging branch often forms a natural bridge to the roof, and from there all a squirrel needs is one weak point at the eaves, much as it does near Harrow, where the older hilltop core at Harrow-on-the-Hill and the busier streets around Harrow town centre.

Harrow-on-the-Hill's older trees

Grey squirrel on a garden fence

The hilltop streets around Harrow-on-the-Hill sit among some of the borough's oldest trees, and the older, larger lofts of the houses here give a squirrel plenty of room once it's found a way in.

Stanmore's mature gardens

Grey squirrel on a roof beside a gutter

Stanmore's larger 1930s houses towards the Green Belt edge come with correspondingly bigger, more established gardens, and the trees in them offer squirrels plenty of cover close to the roof line.

Confirming it is a squirrel

The timing of the activity is usually the clearest tell, just as near Stanmore, where larger 1930s houses and gardens towards the edge of the borough near the Green. Timing gives it away: squirrels are only active during daylight hours, so early-morning and late-afternoon thumping fits a squirrel, while any noise overnight means rats or mice - the same pattern holds near Stanmore, where larger 1930s houses and gardens towards the edge of the borough near the Green.

What not to do

  • Block the entry hole while squirrels may still be inside; they chew a new way out, sometimes into the house
  • Put down poison in the loft
  • Catch a squirrel and release it elsewhere - grey squirrels are an invasive non-native species and it is illegal to release one once caught

Booking squirrel control in Harrow

Our squirrel trapping service in Harrow is £280, and since around Harrow, where the older hilltop core at Harrow-on-the-Hill and the busier streets around Harrow town centre, it helps to say when you book squirrel control whether the sounds are by day or night and whether trees overhang the roof, with more on the Harrow squirrel control page.

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