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

If you have a long or wide garden in Aylesbury, there may be room for a home where a parent or grown-up child can live close by with their own front door. That might mean an annexe used with your house, or a home that stands alone with permission and paperwork of its own.

Buckinghamshire Council decides either way, so the first step is to find out what your plot can realistically carry. Our free plot appraisal covers access, space, privacy and the main planning constraints, and talks through who the home is for, before you spend any money on drawings.

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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
Buckinghamshire Council
Postcodes
HP19, HP20, HP21, HP22
Noon sun, 21 March
About 38°
Shadow from a 5 m eaves line
About 6.4 m
Planning plan
Local Plan
County
Buckinghamshire

Before you decide in Aylesbury

Access usually decides what a Aylesbury garden can take. An annexe can often share your drive because it is used with the house, but a separate home needs an access Buckinghamshire Council will accept for a dwelling in its own right, with room for cars, bin collection and emergency vehicles. We cover homes in Aylesbury and around Leighton Buzzard, Chesham and Bletchley, 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 Aylesbury: about 38 degrees on 21 March and 15 degrees on 21 December21 m21 Mar, noon: sun 38°, shadow 6.4 m21 Dec, noon: sun 15°, shadow 19.0 mExistingNew home
Noon sun in Aylesbury on 21 March sits about 38° above the horizon, so a typical two-storey eaves line (about 5 m) throws a shadow of roughly 6.4 m. In December the sun is only about 15° up and shadows stretch much further. Drawn for a garden facing north, where it matters most.

From first call to decision

Here’s what happens next for a family home in Aylesbury. 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 Buckinghamshire 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. 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.

  3. 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.

  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.

Aylesbury: questions to ask

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

Possibly, if the plot can work as a home in its own right. Buckinghamshire 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.

Can I reclaim VAT on a family annexe in Aylesbury?

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.

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

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 Buckinghamshire 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.

Will an annexe in Aylesbury 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. Buckinghamshire Council’s council tax team can tell you how the rules apply to your household.

Other options in Aylesbury

Family home in your garden near Aylesbury

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