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Landscaping in Hillingdon

Large gardens,
properly planned.

Hillingdon has some of the biggest domestic gardens in London. Space is an opportunity and a trap — without a plan, a large garden just becomes a large lawn.

Building in Hillingdon

What we work with here

01

Ruislip, Ickenham and the outer suburbs

The north of the borough — Ruislip, Ickenham, Northwood, Eastcote — is inter-war and post-war suburbia built at low density, with detached and semi-detached houses on plots that often run to well over a hundred square metres of rear garden, sometimes far more. Northwood in particular has substantial detached houses on grounds that read as small landscapes rather than gardens. Towards Hayes, Yiewsley and West Drayton the grain tightens into more compact terraced and post-war stock. What the larger plots need is structure: without it, all that space defaults to mown grass and a shed.

02

Mixed ground, and drainage you can actually solve

Ground conditions vary more across Hillingdon than in most boroughs — London Clay in places, river terrace gravels along the Colne valley to the west, and made ground in the areas developed later. That means the sub-base design should follow what we find when we dig rather than a standard detail. The compensation is space: on a large plot there is almost always somewhere within your own boundary to put a soakaway sized for the paving it serves, which makes both permeable driveways and substantial terraces far more straightforward than on a constrained inner-London site.

03

Room for machinery, room for outbuildings

Access in Hillingdon is generally good, so groundwork can be done with machinery and to a proper depth — the thing that most determines whether a large paved area stays flat. The scale also brings garden buildings into play: a garden room, studio or substantial outbuilding is usually permitted development if it is single storey, sits at least a certain distance from boundaries where eaves height matters, is not forward of the principal elevation, and does not cover more than half the land around the original house. Those tests are easy to meet on a Ruislip plot and easy to fall foul of if nobody checks.

Questions we get asked

Hillingdon, specifically

How do you stop a very large garden feeling empty?
Give it more than one destination. A big rectangle with a terrace at one end and grass beyond will always feel unresolved. Splitting it into linked spaces — a hard terrace by the house, a lawn, a planted or productive area, somewhere sheltered at the far end worth walking to — makes the whole plot feel used. Level changes, hedging, a change of surface, or a garden building all create those divisions without walling anything off.
Do I need planning permission for a garden room in Hillingdon?
Often not. A single-storey outbuilding for domestic use is generally permitted development provided it is not forward of the principal elevation, meets the height limits — lower where it sits within two metres of a boundary — and, with everything else, does not cover more than half the land around the original house. Living accommodation, or a plot already extended, can change that. On the large plots typical here the tests are usually comfortable, but we check rather than assume.
Does the ground vary across Hillingdon?
Yes, more than in most of London. There is clay in parts of the borough, river terrace gravel along the Colne valley to the west, and made ground where development came later. Gravel drains freely and behaves quite differently from clay under load. That is why we set sub-base depth from what the trial dig actually shows rather than applying one standard detail everywhere.
Coverage

Areas we cover in Hillingdon

  • Ruislip
  • Ickenham
  • Uxbridge
  • Northwood
  • Hayes
  • West Drayton

Postcode districts: UB3 · UB4 · UB7 · UB8 · UB9 · UB10 · HA4 · HA6

All 32 London boroughs

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