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 Harrow?
In Harrow, a set of architectural drawings typically costs £2,000–£5,750 for planning and building regulations drawings for a typical extension, including VAT at 20% (standard rate). That range is adjusted for London, where domestic building work typically costs around 30% above the national average. Council application fees are extra.
| Size or type | Guide range |
|---|---|
| Planning and building regulations drawings for a typical extension | £2,000–£5,750 |
| Larger or more complex projects | £5,750–£7,250 |
Your quote will depend mainly on:
- 3D visuals
- Measured survey complexity
- Structural engineer’s fees
- Planning or building regulations stage
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 Harrow
Whether you need planning permission depends on your house and its location in England. In England drawings are prepared to suit the local planning authority’s validation list and, later, building control.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued 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
What we take care of:
- Structural calculations coordinated
- Measured survey of the existing house
- Tender-ready drawing pack
- 3D views on request
- Party wall drawings where needed
- Design options and sketch layouts
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 Harrow
Many London boroughs have conservation areas and detailed design guides, so early design advice saves time at the planning stage.
Projects in Harrow (HA2) are surveyed in person before we quote, so the price reflects your actual property.
How it works
- 01
Survey and brief
We visit, talk through what you want and record the existing building.
- 02
Concept design
Options for layout and appearance, revised until you are happy.
- 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 architectural drawings in Harrow
What drawings are needed for planning?
Usually existing and proposed floor plans and elevations, a block plan and a location plan. Some councils need more.
Do you prepare architectural drawings in Harrow?
Yes. We prepare architectural drawings across Harrow, including postcodes HA2. 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.
How long do drawings take?
Typically 2 to 6 weeks from survey, depending on revisions.
How much does a set of architectural drawings cost in Harrow?
In Harrow, a set of architectural drawings typically costs £2,000–£5,750 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.