Backland Development
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Planning permission for a garden plot in Llanelli

We offer planning applications for new homes on garden land in and around Llanelli: long back gardens, wide side plots, garage courts and yards behind houses. The aim is a complete, well-evidenced submission, not a hopeful one, and an honest view beforehand of whether it is worth making at all.

That means a measured survey and the right specialist reports, drawings that show access, turning, parking and bins, a design and character analysis, and clear evidence on privacy and daylight. We handle the submission, consultation responses and amendments, then explain the decision and any conditions in plain English.

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Architect’s desk with a site plan, floor plan, sections and elevations for a small new house
Planning authority
Carmarthenshire County Council
Postcodes
SA15
Noon sun, 21 March
About 38°
Shadow from a 5 m eaves line
About 6.3 m
Planning plan
LDP
County
Dyfed

The local picture in Llanelli

Planning histories across SA15 are public, and they are one of the most useful things we check. Earlier decisions on nearby plots show how Carmarthenshire County Council has applied its policies in practice: what was approved, what was refused and why.

We use that history to shape the design and to support the application where similar schemes have succeeded. Where nearby refusals exist, we read the reasons carefully, because they show exactly which issues the council is likely to raise on your plot.

Section showing noon sun and shadows in Llanelli: 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 18.8 mExistingNew home
This section is worked out for the latitude of Llanelli: 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.

What happens next in Llanelli

After the free appraisal of your Llanelli 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. 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. 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

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

Your questions, answered for Llanelli

How long will my Llanelli 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.

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

Does a garden plot application in Llanelli 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 Llanelli?

Carmarthenshire County Council decides applications for addresses in Llanelli. 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 Development Plan (LDP), national policy and other material considerations, including neighbours’ and consultees’ comments.

Other options in Llanelli

Garden plot planning near Llanelli

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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