Backland Development
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Build a home for family in your garden in Thornaby-on-Tees

For grown-up children in Thornaby-on-Tees, the step to a first home can be a long one. If your garden is big enough, a small separate house on part of it could become theirs: with its own planning permission and title, it can be mortgaged in their name and sold when they move on.

That asks more of the plot than an annexe does, including its own garden, parking and an access Stockton-on-Tees Borough Council will accept. We look at all of that in a free plot appraisal, then design and build the home if the scheme stacks up and you want to go ahead.

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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
Stockton-on-Tees Borough Council
Postcodes
TS17
Noon sun, 21 March
About 35°
Shadow from a 5 m eaves line
About 7.0 m
Planning plan
Local Plan
County
North Yorkshire

Thornaby-on-Tees: 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 Thornaby-on-Tees is about 35° above the horizon, so a two-storey eaves line around 5 m high casts a shadow of roughly 7.0 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 12°, 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 Thornaby-on-Tees: about 35 degrees on 21 March and 12 degrees on 21 December21 m21 Mar, noon: sun 35°, shadow 7.0 m21 Dec, noon: sun 12°, shadow 23.5 mExistingNew home
This section is worked out for the latitude of Thornaby-on-Tees: around 35° of sun at midday in late March and about 12° 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

Here’s what happens next for a family home in Thornaby-on-Tees. 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 Stockton-on-Tees Borough 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

  • Planning is the council’s decision, and an annexe is not a way round the rules that apply to a new house.
  • 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.

Your questions, answered for Thornaby-on-Tees

Is CIL payable on a family home in Thornaby-on-Tees?

Only if Stockton-on-Tees 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.

Can I build a separate house in my Thornaby-on-Tees garden for my son or daughter?

Possibly, if the plot can work as a home in its own right. Stockton-on-Tees 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.

How much garden do I need for a family home in Thornaby-on-Tees?

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 Stockton-on-Tees 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 Thornaby-on-Tees?

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.

Other options in Thornaby-on-Tees

Family home in your garden near Thornaby-on-Tees

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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