Backland Development
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Planning permission for a garden plot in Portsmouth

If you’re weighing up planning for a garden in Portsmouth, two questions come first: is it likely, and what will it cost to find out? The free appraisal answers the first as honestly as a desk review and site visit allow. The second depends on the plot, so our fee and the likely survey costs are set out in writing before any work begins.

We don’t promise outcomes, because planning decisions belong to the council. What we can promise is that you’ll know the main risks, and how we’d tackle each one, before you spend money on an application.

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Architect’s desk with a site plan, floor plan, sections and elevations for a small new house
Planning authority
Portsmouth City Council
Postcodes
PO1, PO2, PO3, PO4, PO5
Noon sun, 21 March
About 39°
Shadow from a 5 m eaves line
About 6.1 m
Planning plan
Local Plan
County
Hampshire

Portsmouth: light, access and policy

Owners in Portsmouth and places nearby such as Gosport, Fareham and Hayling Island may find their address falls under a different planning authority from the one they expect. Each has its own validation list, design guidance, pre-application service and fees.

We confirm the correct authority at appraisal stage and prepare the application to its requirements. If your address is with Portsmouth City Council, we work to its validation list and guidance; if not, we work to whichever council covers your plot, so nothing is rejected on a technicality.

Section showing noon sun and shadows in Portsmouth: about 39 degrees on 21 March and 16 degrees on 21 December21 m21 Mar, noon: sun 39°, shadow 6.1 m21 Dec, noon: sun 16°, shadow 17.7 mExistingNew home
This section is worked out for the latitude of Portsmouth: around 39° of sun at midday in late March and about 16° 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.

What happens next in Portsmouth

After the free appraisal of your Portsmouth plot, work begins with a measured survey and any specialist reports. We then design the layout, test it against local guidance, prepare the drawings and statements, and, if worthwhile, seek pre-application advice. Once you’ve approved the scheme, we submit the application and manage it through to a decision.

  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. 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.

  3. Submit and manage

    We complete the forms, ownership certificate, drawings and statements, pay the fee on your behalf and submit. During consultation we answer officers’ questions, respond to consultees and agree amendments where they help.

  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.
  • Specialist surveys can be needed at short notice when a consultee raises an issue, adding cost and time.
  • 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 Portsmouth

How close to neighbours can a new home in Portsmouth 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 Portsmouth City Council decides. Screening, levels, roof form and window positions can all change what is acceptable.

Can I sell my Portsmouth 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 long will my Portsmouth garden plot application take?

The statutory period for a minor application, such as one or a few new homes, is 8 weeks from validation, in both England and Wales. Many take longer, and the council may ask you to agree an extension in writing. If no decision is made in time and no extension is agreed, you can appeal for non-determination.

Is pre-application advice available in Portsmouth?

Most planning authorities, including Portsmouth City Council, offer pre-application advice, usually for a fee, with their own response times. It isn’t compulsory and doesn’t bind the final decision, but for a garden plot with a tight access, strict policy or an earlier refusal, it can show which issues to resolve before you apply formally.

Other options in Portsmouth

Garden plot planning near Portsmouth

Find out what your garden could become

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

Get my free appraisal 0800 088 6248