- Planning authority
- London Borough of Hounslow
- Postcodes
- TW3, TW4, TW5, TW7, TW13
- Noon sun, 21 March
- About 39°
- Shadow from a 5 m eaves line
- About 6.3 m
- Planning plan
- Local Plan
- County
- Greater London
The local picture in Hounslow
Once the London Borough of Hounslow registers a valid application, it publicises it with neighbour letters, a site notice or both, and usually lists it online. Specialist consultees — the highway authority, for instance, or the council’s arboricultural officer — are invited to comment too.
Neighbours across TW3, TW4, TW5 and TW7 will normally get a minimum of 21 days to respond. We monitor comments as they arrive and, where an objection raises a genuine point, look at whether a modest change to windows, screening or the access would answer it. We keep you informed throughout, so nothing in the officer’s report comes as a surprise.
The next steps, locally
When a decision on your Hounslow application arrives, we go through it with you line by line. If permission is granted, we explain each condition, which ones must be approved before work starts, and the time limit. If it’s refused, we review the reasons and set out the options, with a straight view on the prospects of each.
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.
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.
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.
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
- Conditions can add cost and work before building starts, such as approved drainage details, tree protection or a construction management plan.
- 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.
Your questions, answered for Hounslow
What if my Hounslow garden application is refused?
You can submit a revised application that addresses the reasons for refusal, appeal within 6 months of the decision date, or decide not to go further. Appeals go to the Planning Inspectorate in England or Planning and Environment Decisions Wales. We review the refusal and the officer’s report with you before recommending a route.
Can I sell my Hounslow 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.
Can my neighbours stop a garden house in Hounslow?
Neighbours can object, and the council must take relevant planning objections into account, but they can’t veto an application. Comments about privacy, light, noise from the access, parking and character carry weight; issues like property values or private disputes generally don’t. Talking to neighbours before submitting often helps.
How close to neighbours can a new home in Hounslow 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 the London Borough of Hounslow decides. Screening, levels, roof form and window positions can all change what is acceptable.
Other options in Hounslow
- Build a new home in your garden
- Bungalows on large plots
- Build a home for family in your garden
- Sell subject to planning
- Corner and side plots
- Planning promotion for your garden plot

