Garden annexes · Rottingdean

Garden annexes in Rottingdean

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

Covering Rottingdean

We work in Rottingdean (BN2, BN51) and the places around it, including Brighton, Hove and Seaford.

Homes in the South East

Housing across the South East mixes inter-war semis, post-war estates and older cottages in villages and market towns, so rear and side extensions, hip-to-gable lofts and garage conversions all come up regularly.

What is included in a garden annexe in Rottingdean?

We design annexes as permanent buildings with proper foundations, insulation and services, and we prepare the planning case showing how the annexe will be used as part of the main home. Connections for water, drainage and power are planned from the start.

  • Design and planning application
  • Heating, hot water and electrics
  • Accessible design options for older relatives

How much should I budget for a garden annexe?

What garden annexes typically cost. These are guide ranges; the written quote for your house replaces them.

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

What approvals does a garden annexe need in England?

Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.

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

What can change the price or programme?

  • Drainage may need a pump if the garden falls away from the sewer.
  • A level threshold and wider doors make the annexe suitable for later life.

What happens after I enquire?

  1. Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
  2. Free site visit. We measure up, look at access, drains and the structure, and talk through options and budget.
  3. Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
  4. Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

Questions about a garden annexe in Rottingdean

Do I need planning permission for a garden annexe?

Usually yes, because people will sleep in it. Outbuilding permitted development does not cover living accommodation.

How long does an annexe take to build?

About 14 to 24 weeks on site after approvals.

Who deals with the council for a project in Rottingdean?

We do. We prepare the drawings, submit planning or permitted development paperwork if needed, and arrange building control inspections.

Garden annexes near Rottingdean

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

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