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 Letchworth Garden City?
In Letchworth Garden City, a set of architectural drawings typically costs £1,500–£4,750 for planning and building regulations drawings for a typical extension, including VAT at 20% (standard rate). Building costs in the East of England run about 6% above the UK average, and the figures for Letchworth Garden City are adjusted to reflect that. Council application fees are extra.
| Size or type | Guide range |
|---|---|
| Planning and building regulations drawings for a typical extension | £1,500–£4,750 |
| Larger or more complex projects | £4,750–£6,000 |
The biggest cost drivers are:
- Planning or building regulations stage
- Number of design options
- Measured survey complexity
- Project size and complexity
A guide range is only a starting point: the guide price tool gives an instant figure for your size, and a free survey turns it into a fixed quote.
Planning and building regulations in Letchworth Garden City
The approval route for Letchworth Garden City is set by planning law in England. In England drawings are prepared to suit the local planning authority’s validation list and, later, building control.
Where work involves a shared wall, building on the boundary, or digging foundations within 3 metres of a neighbour’s building and deeper than its foundations (or within 6 metres for deeper work), the Party Wall etc. Act 1996 applies and notices must be served 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
From survey to sign-off, the job normally involves:
- Tender-ready drawing pack
- Design options and sketch layouts
- 3D views on request
- Planning drawings: plans, elevations, site and location plans
- Party wall drawings where needed
- Structural calculations coordinated
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 Letchworth Garden City
Many towns in the East of England have estates built since the 1970s, where garage conversions and rear extensions are popular.
Our Letchworth Garden City coverage includes postcode districts SG6 and SG7, and we also work in nearby places such as Hitchin, Stevenage and Luton.
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
Approval
We follow the application through to a decision and pass on the approved drawings.
Questions about architectural drawings in Letchworth Garden City
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.
How long do drawings take?
Typically 2 to 6 weeks from survey, depending on revisions.
Do you prepare architectural drawings in Letchworth Garden City?
Yes. We prepare architectural drawings across Letchworth Garden City, including postcodes SG6 and SG7. Every project starts with a free home visit.
How much does a set of architectural drawings cost in Letchworth Garden City?
In Letchworth Garden City, a set of architectural drawings typically costs £1,500–£4,750 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.
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.