What is a planning or building regulations application?

Planning permission decides whether a project can be built; building regulations decide how it must be built. Most extensions, lofts and conversions need building regulations approval even when planning permission is not required.
How much does a planning or building regulations application cost in Gorseinon?
In Gorseinon, a planning or building regulations application typically costs £750–£2,250 for application management (council fees extra), including VAT at 20% (standard rate; planning application fees carry no VAT, council building control fees include VAT). That range is adjusted for Wales, where domestic building work typically costs around 8% below the national average. Council application fees are extra.
| Size or type | Guide range |
|---|---|
| Application management (council fees extra) | £750–£2,250 |
| Larger or more complex projects | £2,250–£2,750 |
The biggest cost drivers are:
- Type of application
- Revisions requested by the council
- Planning conditions
- Building control route
For a figure based on your own measurements, try the guide price tool, then book a free home visit for a fixed quote.
Planning and building regulations in Gorseinon
The approval route for Gorseinon is set by planning law in Wales. In Wales applications go to the local planning authority, and building control can be the council or a registered building control approver.
Building regulations in Wales are set by the Welsh Government. Approval comes from the council’s building control service or a registered building control approver, with inspections during the work and a completion certificate at the end.
Our first visit includes a check of your planning history, so you know the route before paying for drawings.
What we handle
From survey to sign-off, the job normally involves:
- Lawful development certificate applications
- Party wall notices
- Build-over agreements with the water company
- Discharge of planning conditions
- Building control application and inspections
- Planning or householder applications
How long does it take?
Allow about 8 weeks for a householder planning decision (two months in Scotland). If the drawings are for a planning application, add the council’s decision period once they are submitted.
Building in Gorseinon
Terraced houses in Welsh towns often have narrow plots, which suits rear and side return extensions and rear dormers.
We work across Gorseinon and neighbouring areas such as Llanelli, Swansea and Clydach. Postcodes we cover in Gorseinon include SA4.
How it works
- 01
Measured survey
We visit and measure the house so the drawings start from accurate information.
- 02
Design options
Sketch layouts to agree the approach before detailed drawing starts.
- 03
Application drawings
Plans, elevations and supporting documents prepared for the council.
- 04
Submission and follow-up
We submit the application and deal with questions from the council or building control.
Questions about planning and building regulations applications in Gorseinon
What is the difference between planning permission and building regulations?
Planning permission controls what you build and how it looks and affects neighbours. Building regulations control how it is built: structure, fire safety, insulation and drainage.
How much does a planning or building regulations application cost in Gorseinon?
In Gorseinon, a planning or building regulations application typically costs £750–£2,250 for application management (council fees extra), including VAT at 20% (standard rate; planning application fees carry no VAT, council building control fees include VAT). Your fixed price depends on the survey and drawings.
What happens if I build without approval?
The council can take enforcement action, and missing approvals cause problems when selling. It is always better to get approvals first.
Do you handle planning and building regulations applications in Gorseinon?
Yes. We handle planning and building regulations applications across Gorseinon, including postcodes SA4. Every project starts with a free home visit.
What is a lawful development certificate?
A certificate from the council confirming that a project is permitted development. It is optional but useful when selling the house.
