What is a set of architectural drawings?

Architectural design turns your ideas into drawings that a council and a builder can work from. It starts with a measured survey of the house, then design options, planning drawings and, once approved, detailed building regulations drawings and specifications.
How much does a set of architectural drawings cost in County Antrim?
In County Antrim, a set of architectural drawings typically costs £1,250–£3,750 for planning and building regulations drawings for a typical extension, including VAT at 20% (standard rate). Building costs in Northern Ireland run about 14% below the UK average, and the figures for County Antrim are adjusted to reflect that. Council application fees are extra.
| Size or type | Guide range |
|---|---|
| Planning and building regulations drawings for a typical extension | £1,250–£3,750 |
| Larger or more complex projects | £3,750–£4,750 |
The biggest cost drivers are:
- Number of design options
- Structural engineer’s fees
- 3D visuals
- Measured survey complexity
Your exact price depends on the survey and drawings. The guide price tool gives a quick range in the meantime.
Planning and building regulations in County Antrim
Approvals for a set of architectural drawings in County Antrim follow the rules for Northern Ireland. In Northern Ireland drawings are prepared for the council’s planning service and 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.
We check this for your address before design work starts, so there are no surprises later.
What we handle
From survey to sign-off, the job normally involves:
- Written agreement with neighbours on shared walls
- Building regulations drawings and specification
- Design options and sketch layouts
- Structural calculations coordinated
- Measured survey of the existing house
- 3D views on request
How long does it take?
Allow 2 to 6 weeks for drawings, depending on complexity. If the drawings are for a planning application, add the council’s decision period once they are submitted.
Building in County Antrim
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 Antrim include Belfast, Lisburn, Newtownabbey, Carrickfergus, Ballymena and Antrim.
How it works
- 01
Measured survey
We visit and measure the house so the drawings start from accurate information.
- 02
Concept design
Options for layout and appearance, revised until you are happy.
- 03
Drawings and documents
The drawings and forms the council and building control need.
- 04
Submission and follow-up
We submit the application and deal with questions from the council or building control.
Questions about architectural drawings in County Antrim
How much does a set of architectural drawings cost in County Antrim?
In County Antrim, a set of architectural drawings typically costs £1,250–£3,750 for planning and building regulations drawings for a typical extension, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.
Do you prepare architectural drawings in County Antrim?
Yes. We prepare architectural drawings across County Antrim, including postcodes BT1, BT10, BT11, BT12 and BT13. Every project starts with a free home visit.
Can I use the drawings with another builder?
Yes. Drawings you pay for are yours to use for the project.
What are building regulations drawings?
More detailed drawings and specifications showing structure, insulation, fire safety, drainage and ventilation, used for building control approval and pricing.
Do I need an architect?
Not necessarily. For extensions and lofts, an architectural technician’s drawings are common. For complex or sensitive sites, an architect may be better.
