Backland Development
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Planning permission for a garden plot in Westminster

A planning application for a new home in a Westminster garden goes to Westminster City Council, and its officers will judge it on access, privacy, daylight, character, parking, bins, trees and drainage. We prepare the application so each of those questions has a clear, evidenced answer before it is asked.

The service covers the measured survey, specialist reports, drawings, design statement, forms, ownership certificate and fee, followed by management of the application through consultation to a decision. You keep the land throughout, and once permission is granted, the choice to build, sell or simply hold the plot is yours.

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Architect’s desk with a site plan, floor plan, sections and elevations for a small new house
Planning authority
Westminster City Council
Postcodes
NW8, SW1X, W1H, W1M, W2
Noon sun, 21 March
About 38°
Shadow from a 5 m eaves line
About 6.3 m
Planning plan
Local Plan
County
Greater London

What shapes a plot in Westminster

Every application Westminster City Council receives for a Westminster address is tested against the council’s Local Plan. Policies on housing, design, residential amenity, parking and trees will all be relevant to a garden plot, and some councils have specific policies or guidance on garden and backland development.

We read the policies that apply to your address before designing anything, and write the planning statement around them. Where the plan is silent or out of date, national policy carries more weight, and the statement explains how the scheme meets it.

Section showing noon sun and shadows in Westminster: about 38 degrees on 21 March and 15 degrees on 21 December21 m21 Mar, noon: sun 38°, shadow 6.3 m21 Dec, noon: sun 15°, shadow 18.6 mExistingNew home
This section is worked out for the latitude of Westminster: around 38° of sun at midday in late March and about 15° at midwinter. It shows why the gap between your house and a new home behind it is about light as well as privacy. Garden assumed to face north.

How we’d take it forward in Westminster

If you already have outline permission or a full permission with conditions for a plot in Westminster, we can take it from there. We check what still needs approval, prepare reserved matters or condition details, and submit them. Then you can move on to the build with us, sell the plot, or hold it while you decide.

  1. Free plot appraisal

    We review the title plan, access, constraints, policy and planning history around your address, then talk it through with you. If the plot looks viable we visit, and tell you plainly whether an application is worth making.

  2. Surveys and design

    A measured survey comes first, followed by the specialist surveys the plot needs, such as trees or ecology. The layout is designed around access, privacy, daylight, parking, bins and garden space for both homes.

  3. Pre-application advice

    Where policy is tight or the plot unusual, we put a draft scheme to the council’s planners first. Their written response shows which issues to fix before you pay the full application fee.

  4. Decision and next steps

    If permission is granted, we explain every condition and what must happen before work starts. If it’s refused, we review the reasons with you and set out the options: amend and resubmit, appeal, or stop.

Worth checking early

  • Neighbours have a formal say during consultation, and the council must weigh any planning objections they raise.
  • Planning is the council’s decision; even a well-prepared application can be refused, and the costs of preparing it aren’t recovered.
  • Conditions can add cost and work before building starts, such as approved drainage details, tree protection or a construction management plan.

Questions about garden plots in Westminster

Can I sell my Westminster garden plot once it has planning permission?

Yes. Planning permission stays with the land, so the plot can be sold with it and the buyer can build the approved scheme, subject to any conditions. The plot will need its own title through a transfer of part at HM Land Registry, and any mortgage lender will need to release it. Take advice from a tax adviser before selling.

How close to neighbours can a new home in Westminster be?

It depends on the council’s guidance and the window layout. Many councils use around 21 metres between facing back windows and around 12 to 15 metres between a back window and a blank side wall, but the guide used by Westminster City Council decides. Screening, levels, roof form and window positions can all change what is acceptable.

Does a garden plot application in Westminster need a tree survey?

Often, yes. If trees on or near the plot could be affected, councils usually expect a tree survey showing root protection areas and how they’ll be protected during building. Trees with a Tree Preservation Order, or in a conservation area, need consent or notice before any work, and can shape where the house and drive go.

Who decides planning applications for garden plots in Westminster?

Westminster City Council decides applications for addresses in Westminster. Small applications are usually decided by planning officers under delegated powers, and national and council rules set out when one can go to the planning committee instead. The decision is based on the council’s Local Plan, national policy and other material considerations, including neighbours’ and consultees’ comments.

Other options in Westminster

Garden plot planning near Westminster

Find out what your garden could become

Free garden plot appraisal. No cost, no obligation, and a straight answer if it won’t work.

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