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 County Londonderry?
In County Londonderry, 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). The guide for County Londonderry reflects typical costs in Northern Ireland, roughly 14% below the UK-wide figure. 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 |
Your quote will depend mainly on:
- Revisions requested by the council
- Building control route
- Agreements with neighbours on shared walls
- Planning conditions
Use the guide price tool to see how size and specification change the figure, then ask for a written, itemised quote.
Planning and building regulations in County Londonderry
Here is how the rules work for a planning or building regulations application in Northern Ireland. In Northern Ireland planning applications go to one of the 11 councils, which also provide building control.
Northern Ireland has no Party Wall Act. Work on shared walls relies on agreement with the neighbour and common law, so we agree the arrangements in writing before work starts.
Our first visit includes a check of your planning history, so you know the route before paying for drawings.
What we handle
Handled as part of most planning and building regulations applications:
- Permitted development assessment
- Building control application and inspections
- Written agreement with neighbours on shared walls
- Build-over agreements with the water company
- Certificate of lawfulness applications
- Discharge of planning conditions
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 County Londonderry
Northern Ireland has many detached and semi-detached homes on generous plots, which suits single-storey rear extensions and garage conversions.
Towns we cover in County Londonderry include Derry, Coleraine, Limavady and Magherafelt.
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 County Londonderry
How long does a planning decision take?
Councils aim to decide most householder applications within 8 weeks.
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 County Londonderry?
Yes. We handle planning and building regulations applications across County Londonderry, including postcodes BT28, BT45, BT46, BT47 and BT48. Every project starts with a free home visit.
How much does a planning or building regulations application cost in County Londonderry?
In County Londonderry, 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 is a certificate of lawfulness?
A certificate from the council confirming that a project is permitted development. It is optional but useful when selling the house.
What about shared walls in County Londonderry?
Northern Ireland has no Party Wall Act. Work on shared walls relies on agreement with the neighbour and common law, so we agree the arrangements in writing before work starts.