- Planning authority
- Southampton City Council
- Postcodes
- SO14, SO15, SO17, SO18, SO19
- Noon sun, 21 March
- About 39°
- Shadow from a 5 m eaves line
- About 6.2 m
- Planning plan
- Local Plan
- County
- Hampshire
Southampton: light, access and policy
Construction on a Southampton garden plot runs to a programme agreed once Southampton City Council has issued permission and any pre-commencement conditions have been dealt with. Groundworks and foundations come first; the shell and roof follow, then glazing, internal trades and, last of all, the drive and planting.
Weather matters. Around 21 December the sun in Southampton climbs to only about 16° at midday, so winter days are short and wet ground slows the work. Where we can, we order the job so the house is weathertight before the worst months arrive.
The next steps, locally
From appraisal to a decision from Southampton City Council, each step in Southampton is agreed before it starts. After the site visit we quote for survey and design; after design we prepare the application; after permission we deal with conditions and technical approvals and give you a written build quote. Each stage is a separate decision for you, with its cost set out first.
Free plot appraisal
We check the title plan, access, constraints and planning policy from our desk, talk the plot through with you, and visit if it looks viable. There’s no cost and no obligation.
Survey and design
A measured survey records levels, boundaries, trees and neighbouring windows. We then design a layout and house that suit the plot, the street and your budget, and decide whether pre-application advice is worth seeking.
Planning and approvals
We submit the planning application and manage it to a decision, then deal with conditions, Building Regulations approval, the structural warranty, any build-over agreement and the new utility connections.
Written quote and build
Once design and survey are complete you get a written quote. The build runs in stages — access and groundworks, foundations, frame and roof, fit-out and external works — with inspections at each key point.
Worth checking early
- A build next door means months of noise, deliveries and contractors near your home; good planning reduces the disruption but doesn’t remove it.
- Building and selling a new home can change your tax position compared with selling only your house; take advice from a tax adviser first.
- Planning can be refused, and money spent on surveys, design and the application isn’t recovered if it is — which is why we start with an appraisal.
Questions about garden plots in Southampton
Who decides planning for a garden house in Southampton?
Southampton City Council decides applications for addresses in Southampton, using the council’s Local Plan, national policy and its own design guidance. Neighbours and consultees such as highways officers can comment, and the decision is made by the council’s planning officers or, where the rules allow, its planning committee. Pre-application advice from the council can help test a scheme before the formal application is submitted.
How close can a new house be to my own in Southampton?
There’s no single national distance. Many councils use separation guides of around 21 metres between facing back windows and around 12 to 15 metres between a back window and a blank side wall, but the guidance used by Southampton City Council decides. Window positions, ground levels, roof shape and screening all affect what is acceptable, which is why we survey before we design.
Can I build a house in my garden in Southampton and keep the land?
Yes. On our design and build route you remain the owner while we design the home, apply to Southampton City Council for planning, deal with Building Regulations and build it. The finished house can be sold, let or kept for family. Whether your plot can take a house depends on access, space, neighbours and local policy, and the decision rests with the council.
Can the new home in my Southampton garden connect to the main sewer?
Usually, yes, but the route and depth decide how easily. The new home needs its own foul connection, agreed with the water company, and gravity drainage is simplest where the sewer sits lower than the new floor. If it doesn’t, a pumped connection may be needed. Where a public sewer runs under your garden, a build-over agreement or diversion may also be required.
Other options in Southampton
- Build a home for family in your garden
- Bungalows on large plots
- Corner and side plots
- Joint venture on your garden plot
- Combine gardens with your neighbours
- Garden plot option agreement