- Planning authority
- Sefton Metropolitan Borough Council
- Postcodes
- PR8, PR9
- Noon sun, 21 March
- About 36°
- Shadow from a 5 m eaves line
- About 6.8 m
- Planning plan
- Local Plan
- County
- Merseyside
The local picture in Southport
How the two households will live together shapes the planning case as much as the drawings do. If your parent will eat with you, share the garden and rely on you day to day, an annexe is the natural fit, and that is what Sefton Metropolitan Borough Council will expect the application to describe. If your son or daughter will run their own home, pay their own bills and perhaps sell up one day, it is a separate dwelling and will be assessed against the council’s Local Plan as a new house. For a family in PR8 and PR9, we help set that out clearly from the start.
How we’d take it forward in Southport
From first call to keys, a family home in Southport follows a clear order. Free appraisal and site visit; measured survey and design around the person moving in; a planning application to Sefton Metropolitan Borough Council; approval under the Building Regulations and any CIL exemption claimed before work starts; then the build, with you living next door throughout. You receive a written quote after design and survey, and we keep the household updated at each stage.
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.
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.
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.
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.
- Family plans change: agree ownership, costs and what happens if circumstances change in writing, with a solicitor.
- CIL exemptions are lost if work starts before the claim is made, and can be withdrawn if the home is sold or let within three years.
Southport: questions to ask
Will an annexe in Southport 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. Sefton Metropolitan Borough Council’s council tax team can tell you how the rules apply to your household.
How long will building work disrupt my home in Southport?
A single garden home usually takes several months on site, with the noisiest work, such as groundworks, drainage and heavy deliveries, concentrated near the start. We agree working hours, access and parking with you up front, and with the people next door where it affects them, so your household knows what each week will look like.
Is CIL payable on a family home in Southport?
Only if Sefton Metropolitan 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 reclaim VAT on a family annexe in Southport?
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 Southport
- Tandem and landlocked plots
- Planning promotion for your garden plot
- Combine gardens with your neighbours
- Joint venture on your garden plot
- Bungalows on large plots
- Garden plot option agreement

