Backland Development
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Build a new home in your garden in Blackburn

Building a second home behind your own in Blackburn is a construction project with one unusual feature: you live beside the site from the first spade to the last coat of paint. That shapes how we plan it, from the fence that separates your garden on day one to where deliveries park.

The route covers everything between an idea and a finished house. We survey and design, prepare and submit the planning application, arrange Building Regulations approval and the structural warranty, organise new water, drainage and electricity connections, and then build. You keep ownership of the land throughout.

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Timber-frame house under construction with scaffolding at the bottom of a back garden, seen from the patio
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

What the council will look at in Blackburn

Wherever your house sits across BB1 and BB2, a new home behind it needs water, power and two kinds of drainage — one for waste, one for rain. We contact the utility providers early, because a long cable run, a sewer at the wrong depth or a public pipe under the lawn can change both the layout and the cost.

Rain from the new roof and drive has to be dealt with on site, and Blackburn with Darwen Borough Council will want to see how. Where a public sewer crosses your garden, the water company may also need a build-over agreement before work starts, so we check sewer records at appraisal stage.

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.

What happens next in Blackburn

Getting started in Blackburn takes one step from you: send your address and a few photos of the garden, or call us. We check the title plan, access and planning constraints from our desk, then talk the plot through. If it looks viable we arrange a visit, discuss whether you want to sell, let or keep the new home, and set out the survey and design stage in writing before you commit.

  1. Free plot appraisal

    We check the title plan, access, constraints and planning policy from our desk, talk the plot through with you, and visit if it looks viable. There’s no cost and no obligation.

  2. Survey and design

    A measured survey records levels, boundaries, trees and neighbouring windows. We then design a layout and house that suit the plot, the street and your budget, and decide whether pre-application advice is worth seeking.

  3. Written quote and build

    Once design and survey are complete you get a written quote. The build runs in stages — access and groundworks, foundations, frame and roof, fit-out and external works — with inspections at each key point.

  4. Handover

    You receive the completion certificate, warranty documents, Energy Performance Certificate, manuals and utility details, so the new home is ready to move into, let or put on the market.

Worth checking early

  • Planning can be refused, and money spent on surveys, design and the application isn’t recovered if it is — which is why we start with an appraisal.
  • Building and selling a new home can change your tax position compared with selling only your house; take advice from a tax adviser first.
  • You fund the build and carry the cost risk; ground conditions, sewer diversions or supply upgrades found later can move the price.

Blackburn: questions to ask

Do you visit gardens in Blackburn before giving advice?

We start with a desk review of the title plan, access, constraints and planning policy, then talk the plot through with you. If it looks viable, we arrange a site visit to see the access, levels, trees and neighbouring windows for ourselves. The appraisal is free and carries no obligation.

Will I pay Community Infrastructure Levy on a new home in Blackburn?

Only if Blackburn with Darwen Borough Council has adopted a Community Infrastructure Levy charging schedule; not every council has. Where it applies, it can be charged on a new home of any size. A self-build exemption exists for people building a home to live in, but it must be claimed before work starts, so we check the position at design stage.

Who decides planning for a garden house in Blackburn?

Blackburn with Darwen Borough Council decides applications for addresses in Blackburn, using the council’s Local Plan, national policy and its own design guidance. Neighbours and consultees such as highways officers can comment, and the decision is made by the council’s planning officers or, where the rules allow, its planning committee. Pre-application advice from the council can help test a scheme before the formal application is submitted.

How long does planning take for a new home in a Blackburn garden?

The statutory period for deciding a minor application, such as a single new home, is 8 weeks from the date the council receives a valid application, in both England and Wales. In practice many applications take longer, and the council may ask you to agree an extension in writing. Surveys and design before submission add time, and conditions may need approving afterwards.

Other options in Blackburn

Build 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.

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