
Single-storey extensions · Poole & Dorset
Single-Storey Extension Builder in Poole
Plan and build a single-storey extension in Poole without losing control of scope, approvals or budget. PlanBuild handles the route from site check and drawings through to structural shell and build work.
Short answer
You want more kitchen, dining or living space, but the real risk is starting with a loose idea and only finding the cost, structure or approval problem later.
What's included
Clear route, no guesswork
- Check the likely planning or permitted development route
- Prepare the floor-plan and buildability route
- Coordinate structural calculations where needed
- Set the Building Control path
- Define shell, openings, roof, windows and handover scope
- Price and plan the build from measured information
How it works
The PlanBuild route
Check the extension idea
Send the address, photos, rough size and what room you want to create. We check whether the idea is likely to be a clean single-storey project.
Map approvals and structure
We separate what needs planning, what needs Building Control, what needs engineering, and what must be decided before the project is priced.
Build from a controlled scope
The extension is priced from a known route so the project does not become a list of surprises after work starts.
Why PlanBuild
Advice that leads to the next safe step
- Design, approval and build route in one place
- Clear scope before builders price
- Built around single-storey extension work, not vague home improvement

Who is behind the advice
Josh Carrivick links drawings, technical checks and build reality for PlanBuildCo.
WhoJosh is PlanBuildCo's local project lead and Local subject-matter authority for homeowners around Poole, Bournemouth and Dorset.
HowThe advice starts from your address, photos, existing plans and the change you want to make.
WhyThe goal is to avoid the wrong drawings, skipped structural checks and builder pricing based on guesswork.
Related routes
Follow the next step in the same renovation route
These pages sit together because the same home project can move from floor plans into planning, structural checks, kitchen changes or extension pricing.
What the work looks like
Project stages that affect the decision

Extension walling and site setup

Roof structure and weathering route

Finished rear living space
Common questions
Questions before you move forward
Areas covered
Local support across Poole, Bournemouth, Christchurch, Wareham and East Dorset
PlanBuild is based in Poole and helps homeowners across the surrounding Dorset and BCP area choose the right drawing, structural or build-readiness route.
Need to know the right next step?
Send us what you have and we'll tell you the route that avoids wasted drawings, unsafe assumptions and vague builder pricing.
Every plan drawn by qualified drafters in Poole, Dorset
Serving homeowners across Poole, Bournemouth, Christchurch, Wimborne, Wareham, and the wider Dorset area.