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Works Commencement & Completion Notices: Specifications & Guidance
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Specs & Detail Drawings for Building Regs Applications
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Building Regs Specifications and Detail Drawings
Specifications
Wales
November 2022
changes
House Extension
House Extension Specifications for Construction Plans
Loft Conversion
Loft Conversion Specifications for Construction Plans
Garage Conversion
Garage Conversion Specifications for Construction Plans
New Build
New Build Specifications for Construction Plans
Flat Conversion
Flat Conversion Specifications for Construction Plans
Basement Convers'n
Basement Conversion Specifications for Construction Plans
Specifications
England
June 2022
changes
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Loft Conversion Detail Drawings

Loft Conversion Detail Drawings

A selection of detail drawings for Loft Conversions

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Loft Conversion Structure
£3.00 + vat
Add To Basket
DWG/DXF/JPG
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Rooflights
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Rooflights Section
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Eaves Detail (loft 1)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Loft Ridge Dormer Detail
£3.00 + vat
Add To Basket
DWG/DXF/JPG
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Loft Ridge Dormer Detail 2
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Loft Dormer Ridge Cold
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Upgrade Vented Pitched Roof, Rafter Level Insulation (U-value 0.16)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
A Selection of Detail Drawings by Categories.
This is just a Small Sample from our Drawing Library.
Click Image to Preview
Eaves Detail (loft 2)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Loft Conversion Structure
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Loft Floor
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Timber Frame Wall Detail, Tile Cladding (U-value 0.18)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
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Timber Frame Wall Detail, Tile Cladding (U-value 0.26)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Ashlar/Dwarf Wall, Celotex Insulation
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Upgrade Cavity Wall (dry lining-battens), Celotex Insulation (U-value 0.30)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Click Image to Preview
Upgrade of Party Cavity Wall (warm adjoining space)
£3.00 + vat
Add To Basket
DWG/DXF/JPG
Loft Conversion Detail Drawings
A Selection of Detail Drawings by Categories. This is just a Small Sample from our Drawing Library.

A selection of detail drawings for Loft Conversions

Click the Image for Low-Res Preview
Loft Conversion Structure
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Rooflights
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Rooflights Section
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Eaves Detail (loft 1)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Loft Ridge Dormer Detail
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Loft Ridge Dormer Detail 2
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Loft Dormer Ridge Cold
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg

Drawings are downloadable in JPG (1600px x 1200px), PDF, DXF and DWG (CAD) formats.
Note: Detail Drawings are applicable to work in England & Wales only.

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Take a look at our Foundation/Floor/Wall Guidance
Foundations Floors Walls Guidance
Click the Image for Low-Res Preview
Upgrade Vented Pitched Roof, Rafter Level Insulation (U-value 0.16)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Eaves Detail (loft 2)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Loft Conversion Structure
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Loft Floor
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Timber Frame Wall Detail, Tile Cladding (U-value 0.18)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Timber Frame Wall Detail, Tile Cladding (U-value 0.26)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Ashlar/Dwarf Wall, Celotex Insulation
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Upgrade Cavity Wall (dry lining-battens), Celotex Insulation (U-value 0.30)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Click the Image for Low-Res Preview
Upgrade of Party Cavity Wall (warm adjoining space)
£3.00 + vat
Add To Basket
Includes DWG,
DXF and Jpeg
Can't find what you need? Use the Search...
(Use keywords, for example: 'Timber Frame Foundation', 'Eaves', 'Box Gutter', 'Block Beam Floor', 'Cavity Tray' etc)

Additional Construction Details Drawings

As well as the small selection of Strip Foundation, Trench Foundation and Raft Foundation Detail Drawings shown here, many of the Building Notes have a related Construction Detail Drawing, with specific dimensions eg rafter sizes, spans, insulation types, for purchase with the Building Specifications.

The main body of drawings can be found in the relevant sections: choose either House Extension, Loft Conversion, Garage Conversion, basement Conversion, Flat Conversion, Garage Build, New Builds or New Build Flats. Drawings can be added to your basket as you view the related Specification.

Incorporating Building Specifications on your plans for submission to Building Control or your Approved Inspector with relevant, specific detail drawings should enhance your plans with an extra degree of clarity and professionalism. Checkout our Premium & Standard Registration Schemes.

To get started compiling your Building Regulations Specification, Click here.

Drawing Formats

Drawings are available in JPG, DXF and in 2 DWG formats.

The DWG CAD format is compatible with

  • AutoCAD versions from 2007/2009 onwards.
  • They are also compatible with recent versions of Turbocad.

The DWG 2000 CAD format

  • is compatible with AutoCAD versions from 2000 onwards.
  • may provide compatibility with alternative/older CAD software. Please try the DWG 2000 version if the standard DWG version fails to open in your CAD software.

To ensure compatibility with your CAD application, please download and test the free drawings below.

DXF Format
CAD Beam and Block Floor Construction Detail Drawing
CAD Format (DWG)
CAD Beam and Block Floor Construction Detail Drawing
Earlier CAD Format (DWG 2000)
CAD Beam and Block Floor Construction Detail Drawing
JPG Format
Beam and Block Floor Construction Detail Drawing

Accessing Construction Detail Drawings (Includes cad DWG, DXF, PDF & JPEG via download)

To purchase construction detail drawings, go to the relevant notes section, House Extension, Garage Conversion, Loft Conversion, Flat Conversion, Basement Conversion, New Build or New Build Flats. Drawings are available for purchase at a moderate fee, when you view the related Building Note Specification.

Alternatively, our Premium Registration gives access to 930+ detail drawings and 1500 Building Regs Specifications.

Premium Registration Info (Video)

Many of our detail drawings, building regs notes and specifications include vital information on U-Values, British Standards, Eurocodes, Building Standards, Insulation requirements etc. See samples of our Building Regulations Specifications

To begin compiling your Building Regulations Specification for submission to Building Control or your Approved Inspector with our Web Apps, choose either:
House Extension, New Build, Flat Conversion, Loft Conversion, Garage Conversion, New Build Flats, Basement Conversion or Garage Build.

Bricklayer. Building Regulations for Extension Plans

Construction Detail Drawings & Building Regs Specifications, U-Values for Home Extension, Loft Conversion, Garage Conversion, Basement Conversion, Flat Conversion, New Build, New Build Flats & Garage Build Plans
Advice & Guidance