Backland Development
0800 088 6248Free to call Free plot appraisal

Build a home for family in your garden in Blackburn

Bringing an elderly parent to live beside you in Blackburn often feels like the obvious answer, until you look at what the house can offer. A spare room up a flight of stairs rarely suits someone whose mobility is failing. A purpose-built single-storey home in the garden can.

We offer design and build of garden homes for family across Lancashire, with no steps to climb, a bedroom at ground level and a walk-in shower built in from day one. Planning goes through Blackburn with Darwen Borough Council, and we prepare and manage the application for you. Start with a free plot appraisal and we’ll tell you honestly whether your garden looks suitable.

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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
Blackburn with Darwen Borough Council
Postcodes
BB1, BB2
Noon sun, 21 March
About 36°
Shadow from a 5 m eaves line
About 6.8 m
Planning plan
Local Plan
County
Lancashire

Blackburn: light, access and policy

Daylight matters twice over when the new home is for a relative who spends much of the day indoors. At noon on 21 March the sun in Blackburn is about 36° above the horizon, so a two-storey eaves line around 5 m high casts a shadow of roughly 6.8 m. A single-storey annexe with eaves at half that height casts one about half as long, which is one reason low buildings often sit more easily in a garden. By late December the midday sun climbs only about 13°, so we test winter light on both homes, and on next-door gardens, before the layout is fixed.

Section showing noon sun and shadows in Blackburn: 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 22.0 mExistingNew home
Noon sun in Blackburn on 21 March sits about 36° above the horizon, so a typical two-storey eaves line (about 5 m) throws a shadow of roughly 6.8 m. In December the sun is only about 13° up and shadows stretch much further. Drawn for a garden facing north, where it matters most.

The next steps, locally

From first call to keys, a family home in Blackburn follows a clear order. Free appraisal and site visit; measured survey and design around the person moving in; a planning application to Blackburn with Darwen Borough Council; approval under the Building Regulations and any CIL exemption claimed before work starts; then the build, with you living next door throughout. You receive a written quote after design and survey, and we keep the household updated at each stage.

  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. Planning and approvals

    We prepare and submit the planning application and manage it with the council, which makes the decision. Before work starts, approval under the Building Regulations is in place and any CIL exemption has been claimed.

Worth checking early

  • Family plans change: agree ownership, costs and what happens if circumstances change in writing, with a solicitor.
  • Planning is the council’s decision, and an annexe is not a way round the rules that apply to a new house.
  • CIL exemptions are lost if work starts before the claim is made, and can be withdrawn if the home is sold or let within three years.

Blackburn: questions to ask

Is CIL payable on a family home in Blackburn?

Only if Blackburn with Darwen Borough 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.

How much garden do I need for a family home in Blackburn?

There’s no fixed figure. A single-storey annexe close to the house can work on a smaller plot than a separate dwelling, which needs its own garden, parking and access. What matters is whether Blackburn with Darwen Borough Council can be satisfied on privacy, daylight and the space left for both homes. The free appraisal gives you a first view based on your plot’s actual shape and access.

Can I reclaim VAT on a family annexe in Blackburn?

Often not. HMRC’s guidance gives an annexe that can’t be used or sold separately from the main house as an example of work that can’t be zero-rated, and the DIY housebuilders refund scheme asks the same question. A separate dwelling is usually treated differently. Take advice from a tax adviser before you settle the planning route, because the wording of the permission matters.

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

Possibly, if the plot can work as a home in its own right. Blackburn with Darwen Borough 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.

Other options in Blackburn

Family home in your garden near Blackburn

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