We've surveyed architects in the conservation market to find out their thoughts about historic building preservation. Download the results here.

Helping to maintain the heritage of period buildings (whether being renovated or developed), the original Conservation Rooflight® range faithfully replicates the original Victorian cast iron roof window whilst benefiting from the latest technological advances in thermal performance.


Why Specify the Conservation Rooflight®?

Sizes, Prices & Options

The Conservation Rooflight® is suitable for roof pitches between 17.5° and 65°. If your roof pitch is outside of this range please contact our Customer Services team.

Please note: the following information is only relevant to the latest revision of the Conservation Rooflight®. We recommend that you read carefully through the below information before selecting a roof window size to ensure it will provide the correct installation for your project.

  1. Sizes & Prices - On the Rafter Installation
  2. Sizes & Prices - Between the Rafter Installation 
  3. Installation Overview - On the Rafter & Between the Rafter 
  4. NBS Spec
  5. Opening Options
  6. Flashing Kit Options
  7. Roller Blind Options 
  8. Pleated Blind Options 


Lead time:
The lead time for a standard Conservation Rooflight® is 7 working days. 

Linings: All Conservation Rooflights® have linings which are sealed and finished with a white coating. 

If you have previously ordered a roof window from us and would like to order accessories, we recommend that you consult with our Customer Services Department to check which revision you have, as accessory options may vary.

Coastal: Please note, for properties that reside within 5km of the coastline, we recommend calling our Customer Services Team on 01993 833155 to discuss an appropriate alternative specification. 

Technical Details

The following links will take you to the relevant technical details for the latest revision of the Conservation Rooflight®. For technical information relating to previous revisions, contact our Customer Services team.

  1. Installation Drawings
  2. Installation Manual
  3. The Conservation Egress Rooflight Installation Manual
  4. Operations and Maintenance Manual
  5. BIM Objects
  6. Building Regulations
  7. Technical FAQ's
  8. Terms and Conditions 

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The Conservation Report

An in-depth enquiry into architects’ attitudes to authenticity. Click here to download the Conservation Report 2015.