Garden annexes · Andover

Garden annexes in Andover

Our garden annexes service covers Andover and the rest of Hampshire. You get a fixed price in writing for the agreed specification, and one person co-ordinating the trades.

Covering Andover

Alongside Andover, we also cover Winchester, Newbury (15 miles to the north-east) and Salisbury.

Homes in the South East

The South East has a lot of 1930s and post-war semi-detached housing, well suited to rear extensions and hip-to-gable loft conversions, alongside period properties in conservation areas that need a more careful design.

What is a garden annexe?

A garden annexe is a separate single-storey building in the grounds of a house with its own bedroom, bathroom and kitchenette, used by family members as part of the main household. Unlike a garden office, an annexe that people sleep in normally needs planning permission and full building regulations approval.

  • Design and planning application
  • Brick, block or timber-frame structure
  • Heating, hot water and electrics

How much should I budget for a garden annexe?

Indicative costs for garden annexes. London and the South East usually sit towards the top of each range.

Garden annexesGuide price incl. VAT
Standard specification£2,400 to £2,900 per m²
Good specification£2,900 to £3,400 per m²
High specification£3,400 to £3,900 per m²

How is a garden annexe approved in Andover?

In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.

A self-contained annexe used for sleeping and living normally needs planning permission in England.

What can affect a garden annexe?

  • The annexe normally has to remain part of the main household, not let as a separate home.
  • Drainage may need a pump if the garden falls away from the sewer.

From first call to completion

  1. Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
  2. Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
  3. Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
  4. Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.

Garden annexes: common questions

Can I rent the annexe out?

Usually not without a separate planning permission, because councils normally require it to stay part of the main house.

How long does an annexe take to build?

About 14 to 24 weeks on site after approvals.

Can you visit a house in Andover to quote?

Yes. After a short call we arrange a site visit to measure up and agree what the design needs to do, then send a written price.

Garden annexes near Andover

Learn more about garden annexes, or see every project we cover in Andover.

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