Building regulations for extensions across Carrickfergus
We prepare building regulations for extensions for homes in Carrickfergus, as a stand-alone service or as the first stage of a design and build project.
- Guide price in CarrickfergusFrom £750 inc VAT
- Approval routeFull plans or building notice to council
- Timescale2–5 weeks for drawings
- Postcode districtsBT38
When it helps
- Every extension, whatever the planning route
- Homeowners using their own builder who need the drawings
- Glass-heavy designs that need energy calculations
Building regulations approval and planning permission are separate. A design can have planning consent and still need changes to meet the regulations, which is why we draw for both together.
What it costs in Carrickfergus
Guide fees for Carrickfergus including VAT, using our Northern Ireland factor of ×0.86. Council and building control charges are not included.
| Option | What it covers | Guide price |
|---|---|---|
| Essential | Building regulations drawings for a simple single-storey extension | £750 – £1,550 |
| Standard | Drawings plus structural calculations | £1,100 – £2,250 |
| Premium | Complex or two-storey pack with energy calculations | £1,850 – £3,300 |
Our design fee only. Building control charges are set by your council (or, in England and Wales, a registered building control approver) and quoted separately.Council fees are extra and are set by the Northern Ireland Executive.
Try the guide-price tool to see a range for your own size and finish.
Planning rules that apply in Carrickfergus
In Northern Ireland building control is run by the councils under the Building Regulations (Northern Ireland). We submit full plans or a building notice and book the inspections through to completion.
Homes in conservation areas, areas of townscape character and listed buildings have tighter rules, so we always check the property's status and planning history before design starts.
Building close to a public sewer needs the agreement of NI Water, which we check during design.
Northern Ireland has no Party Wall Act. Where work is on or close to a shared boundary, we agree access and protection with your neighbour in writing before work starts.
Applications are decided by your council, which handles local planning in Northern Ireland.
Covering Carrickfergus
Postcode districts we cover around Carrickfergus include BT38. We also work in nearby Newtownabbey (6 miles), Larne (9 miles), Belfast (10 miles), Castlereagh (10 miles).
For homes towards County Down, Bangor, County Down is around 7 miles away. Northern Ireland's housing ranges from city terraces to large numbers of detached houses and bungalows on rural plots, many in render, where single-storey extensions fit easily.
How the project works
Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.
Free site visit
We visit your Carrickfergus home, measure up, talk through what you want and check the planning position.
Design and approvals
We produce the drawings and structural design, and manage the approvals so they are in place before work starts.
Fixed written price
We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.
Build and sign-off
We build it with one project manager, book the building control inspections and hand over the completion certificate.
Common questions in Carrickfergus
Who do I contract with in Carrickfergus?
Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.
Can I see a price before committing to anything?
Yes. The guide prices on this page are adjusted for Carrickfergus, and the guide-price tool gives a range for your own size. After the survey you get a written price before anything is agreed.
How long does this take for a Carrickfergus home?
2–5 weeks for drawings, depending on the council and the complexity of the project.
Full plans or building notice?
A full plans application gets the drawings checked before work starts, which we usually recommend for extensions. A building notice is quicker to submit but carries more risk if something needs changing on site.
Book a free site visit in Carrickfergus
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.