Are construction drawings the same as building regulation drawings?

They overlap heavily. A building regulation package contains construction detail; a full construction package usually goes further, particularly on complex, exposed or heavily glazed projects.

Can you produce these for a scheme somebody else designed?

Yes, and we regularly do. We start by checking the approved drawings against a measured survey, because a technical package built on inaccurate existing information inherits the error.

What formats do I receive?

Scaled PDFs for issue and printing, with CAD files where the builder, engineer or a supplier needs them.

Do I need them for a small extension?

For a simple job a building regulation package with good details is usually enough. The larger and more exposed the project, the more the extra detailing pays for itself.

Drawings · Cornwall

Construction drawings, the set the building actually gets built from

Between an approved scheme and a finished building sits a set of drawings that most homeowners never hear about until a builder asks for them. Construction drawings describe how the parts meet, and their absence is the single most reliable predictor of variations, delays and arguments on site.

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What is in the package

The content scales with the project, but the principle is constant: anything that a builder would otherwise have to decide alone is decided on paper first.

General arrangement plans, sections and elevations at 1:50
Junction details at 1:10 or 1:5, particularly at eaves, thresholds, openings and abutments
The insulation, damp proofing and airtightness lines shown running continuously
Structural layout with the engineer's sizes coordinated onto the drawings
Schedules for windows, doors and finishes
An outline specification a builder can price line by line

Why this makes quotes comparable

When three builders price the same drawn details and the same specification, the difference between their numbers reflects their overheads and programme, not their assumptions. Without that, you are comparing three different buildings and calling it a tender.

Cornish detailing that earns its keep

Solid stone walls with no cavity, exposed coastal elevations, and roofs that catch driven rain from one direction all need decisions made deliberately. Insulating a solid wall internally without resolving the cold bridge and the vapour path is the classic example of a detail that looks fine on a note and fails in practice.

Revision control

Things change during a build. A package with clear revisions keeps the builder, building control and the client all looking at the same version, which sounds administrative until the week somebody builds from a superseded sheet.

Frequently asked

Straight answers.

Are construction drawings the same as building regulation drawings?: They overlap heavily. A building regulation package contains construction detail; a full construction package usually goes further, particularly on complex, exposed or heavily glazed projects.
Can you produce these for a scheme somebody else designed?: Yes, and we regularly do. We start by checking the approved drawings against a measured survey, because a technical package built on inaccurate existing information inherits the error.
What formats do I receive?: Scaled PDFs for issue and printing, with CAD files where the builder, engineer or a supplier needs them.
Do I need them for a small extension?: For a simple job a building regulation package with good details is usually enough. The larger and more exposed the project, the more the extra detailing pays for itself.

Need a technical package prepared?

Send us the approved drawings and we will tell you what detailing the project genuinely needs.

Free · No obligation

Book your free consultation

Tell us about your project — we usually reply within 2 hours (working day).