Backland Development
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Build a home for family in your garden in Atherton

The first question for any family in Atherton thinking about building in the garden is usually this: annexe or proper house? The answer turns on the person moving in, how long they’re likely to stay, and whether you might ever want to sell or let the building on its own.

An annexe is used with your home and usually tied to it by condition. A separate dwelling stands alone, with its own permission and potentially its own title. Wigan Council assesses them on different terms, and council tax, CIL and VAT rules split along the same line. Our free plot appraisal sets out both, so you can decide with your family and your advisers.

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Single-storey garden home with wide glazed doors and a covered porch at the back of a family garden
Planning authority
Wigan Council
Postcodes
M46
Noon sun, 21 March
About 36°
Shadow from a 5 m eaves line
About 6.8 m
Planning plan
Local Plan
County
Greater Manchester

How it plays out in Atherton

Access usually decides what a Atherton garden can take. An annexe can often share your drive because it is used with the house, but a separate home needs an access Wigan Council will accept for a dwelling in its own right, with room for cars, bin collection and emergency vehicles. We cover homes in Atherton and around Tyldesley, Westhoughton and Leigh, and on every plot we measure the drive width, the view along the road where the access joins it, and how far bins would need to travel, before anyone draws a plan.

Section showing noon sun and shadows in Atherton: about 36 degrees on 21 March and 13 degrees on 21 December21 m21 Mar, noon: sun 36°, shadow 6.8 m21 Dec, noon: sun 13°, shadow 21.6 mExistingNew home
This section is worked out for the latitude of Atherton: around 36° 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.

From first call to decision

Here’s what happens next for a family home in Atherton. You tell us about your plot and who the home is for, and we carry out a free desktop appraisal of access, space and the planning context. If it looks viable we visit, then set out the annexe and separate-home options. With your go-ahead we survey, design and give you a written quote, then prepare the application for Wigan Council.

  1. Free plot appraisal

    We look at your plot, access and the planning picture from the desk, talk through who will live in the new home, and visit if it looks viable. There’s no cost and no obligation.

  2. Annexe or separate home

    We set out both routes for your plot, covering what each means for planning, ownership, council tax, CIL and VAT, so you can decide with your family and advisers before design starts.

  3. Survey and design

    A measured survey, then a design built around the person moving in: step-free routes, a ground-floor bedroom if needed and privacy for both households. You get a written quote after design and survey.

  4. Build and handover

    We build while you carry on living next door, with access, deliveries and working hours agreed up front. At handover you get the completion certificate and the paperwork you’ll need for council tax, lenders and any VAT claim.

Worth checking early

  • VAT savings available on a separate dwelling often don’t apply to an annexe; take advice from a tax adviser before choosing.
  • An annexe tied by planning condition usually can’t be sold or let separately, which limits flexibility later.
  • Planning is the council’s decision, and an annexe is not a way round the rules that apply to a new house.

Your questions, answered for Atherton

Will an annexe in Atherton put up my council tax?

It might. Annexes can be banded separately, but exemptions exist for annexes lived in by certain dependent relatives, and in some cases a discount applies where family live there or the annexe is used as part of the main home. Who qualifies depends on the relative’s circumstances and how the annexe is used. Wigan Council’s council tax team can tell you how the rules apply to your household.

Is CIL payable on a family home in Atherton?

Only if Wigan Council has adopted the Community Infrastructure Levy, which its website will confirm, and we check it for you during the appraisal. Where it applies, self-build and residential annexe exemptions exist, but both must be claimed before work starts and can be withdrawn if the home is sold or let within three years of completion.

Can I build a separate house in my Atherton garden for my son or daughter?

Possibly, if the plot can work as a home in its own right. Wigan Council will look at access, parking, garden space for both houses, privacy and the character of the street, as it would for any new house. If permission is granted, the plot can be transferred to your child with its own title, with your lender’s consent if the house is mortgaged.

Who owns an annexe built in my Atherton garden?

You do. An annexe stays on the title of your house and usually carries a planning condition tying it to the main home, so it can’t be transferred to the relative living in it. If a family member is paying towards it, record what they’ve put in and what happens on a sale in a written agreement drawn up by a solicitor.

Other options in Atherton

Family home in your garden near Atherton

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