Backland Development
0800 088 6248Free to call Free plot appraisal

Building in a large rear garden in St Helens

If you have a long rear garden in St Helens, the first question is usually the obvious one: is there really room for a house down there? The honest answer comes from measuring, not guessing. Separation from existing back windows, garden space for both homes and a drive that works for cars, bins and emergency access all have to fit.

Once we know what could realistically go there, you pick the route that suits you. Some owners prefer a clean sale of the plot, with or without planning. Others want the new home itself, for a parent, a grown-up child or to let. We handle the design and the planning application either way.

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Overhead view of three long, narrow back gardens with lawns, a greenhouse, vegetable beds and sheds
Planning authority
St Helens Borough Council
Postcodes
L35, WA9, WA10, WA11, WN5
Noon sun, 21 March
About 37°
Shadow from a 5 m eaves line
About 6.7 m
Planning plan
Local Plan
County
Merseyside

What shapes a plot in St Helens

Every application for a new home in a St Helens back garden is decided by St Helens Borough Council, which weighs it against the council’s Local Plan, national policy and any local design guidance it has adopted. Those documents often set out separation distances, minimum garden sizes and how homes behind the street should relate to it.

We read the relevant policies for your address before suggesting a layout, and where it helps we ask the council for pre-application advice. That way the scheme you see reflects what is likely to be acceptable locally, not a generic drawing.

Section showing noon sun and shadows in St Helens: about 37 degrees on 21 March and 13 degrees on 21 December21 m21 Mar, noon: sun 37°, shadow 6.7 m21 Dec, noon: sun 13°, shadow 21.5 mExistingNew home
This section is worked out for the latitude of St Helens: around 37° of sun at midday in late March and about 13° 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.

The next steps, locally

Once you’ve had the free appraisal, nothing moves without your say-so. For a sale, terms are agreed in writing before you sign anything. For a build, design and survey come first and the quote follows. In both cases the planning application goes to St Helens Borough Council, which consults your neighbours before deciding. Small schemes often take a few months from submission, and surveys or design changes can add more.

  1. Free plot appraisal

    We look at your garden using maps, the title plan and the planning history around you, then talk it through with you. If it looks workable we arrange a site visit. There’s no cost and no obligation.

  2. Measure and test the layout

    We check depth, the width of the way in, levels, trees, drains and what lies behind, then sketch what could realistically fit: one home, two, or nothing worth pursuing, before anyone pays for an application.

  3. Choose your route

    You decide whether to sell the plot outright, sell subject to planning, grant an option, team up with neighbours, or keep the land and have us design, get planning for and build a home on it.

  4. Sale or build

    If you sell, your solicitor handles the transfer of part and your lender’s release of the plot. If you build, we give a written quote after design and survey, then build and hand over the new home.

Worth checking early

  • Neighbours are consulted and may object. The council decides, and a carefully designed scheme can still be refused.
  • A covenant, a mortgage, a public sewer or a protected tree can slow a scheme down or stop it altogether.
  • Cars passing beside your house to reach the new home bring noise and headlights; screening helps but doesn’t remove it.

Questions about garden plots in St Helens

Will my neighbours in St Helens get a say?

Yes. The council consults neighbours on planning applications, and they can comment or object. Their comments are weighed alongside policy, but objections alone don’t decide the outcome. A layout that respects privacy, light and access usually gives neighbours less to worry about, so we design with them in mind.

Can I sell the end of my garden in St Helens and keep my house?

Yes. The plot is sold as a transfer of part and gets its own title at HM Land Registry. If your house is mortgaged, your lender must agree to release the plot. We can buy suitable plots with or without planning, always subject to survey, title and contract.

How long does planning take for a garden home in St Helens?

It varies. Small schemes often take a few months from submission to decision, and longer if surveys, amendments or extra consultation are needed. Pre-application advice and early surveys add time at the start but can save time later. We won’t promise a date, because the council sets the pace.

Who decides planning for a home in a St Helens back garden?

St Helens Borough Council decides, using the council’s Local Plan, national policy and any local design guidance. It consults neighbours and other bodies before reaching a decision. We prepare the application and deal with the planning officer, but the outcome is always the council’s call.

Other options in St Helens

Large rear gardens near St Helens

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