Backland Development
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Planning permission for a garden plot in St Austell

If you’re weighing up planning for a garden in St Austell, 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
Cornwall Council
Postcodes
PL25, PL26
Noon sun, 21 March
About 40°
Shadow from a 5 m eaves line
About 6.0 m
Planning plan
Local Plan
County
Cornwall

Before you decide in St Austell

Overshadowing is a common objection to garden homes, so we answer it with numbers. At noon on 21 March the sun over St Austell is about 40° above the horizon, and the shadow from a 5 m eaves line reaches about 6.0 m; on 21 December the sun rises to only about 16°.

Using those angles, we model shadows across neighbouring gardens and windows and adjust the height, position or roof shape of the new home until the effect is acceptable. Cornwall Council can then judge the scheme on evidence rather than impressions.

Section showing noon sun and shadows in St Austell: about 40 degrees on 21 March and 16 degrees on 21 December21 m21 Mar, noon: sun 40°, shadow 6.0 m21 Dec, noon: sun 16°, shadow 17.2 mExistingNew home
This section is worked out for the latitude of St Austell: around 40° 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.

How we’d take it forward in St Austell

After the free appraisal of your St Austell 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

  • Specialist surveys can be needed at short notice when a consultee raises an issue, adding cost and time.
  • Permission doesn’t override private rights: covenants, ransom strips, sewer easements and party wall matters still need dealing with separately.
  • Neighbours have a formal say during consultation, and the council must weigh any planning objections they raise.

St Austell: questions to ask

Is pre-application advice available in St Austell?

Most planning authorities, including Cornwall 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.

What if my St Austell 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.

How long will my St Austell 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.

Can my neighbours stop a garden house in St Austell?

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.

Other options in St Austell

Garden plot planning near St Austell

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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