https://www.designingbuildings.co.uk/w/index.php?action=history&feed=atom&title=Economically_feasible 2026-05-30T06:55:18Z Revision history for this page on the wiki MediaWiki 1.17.4 https://www.designingbuildings.co.uk/w/index.php?title=Economically_feasible&diff=311509&oldid=prev 2025-10-28T07:45:21Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 07:45, 28 October 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* 7 years, for the installation of thermostatic room controls.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* 7 years, for the installation of thermostatic room controls.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* 15 years, for any other measure.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Volume 2 defines it as when:</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The capital cost of a measure will be recouped in energy savings within a reasonable time. For the purposes of this&lt;br /&gt;</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">document, economically feasible means that the measure would achieve a simple payback after one of the following.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* 7 years, for the installation of thermostatic controls.</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* 7 years, for the extension of on-site low and zero carbon energy-generating systems which are required as consequential improvements (see Appendix D, Table D1).</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* 15 years, for any other measure.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* 15 years, for any other measure.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=Economically_feasible&diff=269822&oldid=prev 2024-02-05T06:51:02Z

<p>Created page with &quot;[https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1141098/The_Merged_Approved_Documents_Mar23.pdf Approved Document L, Conservation...&quot;</p> <p><b>New page</b></p><div>[https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1141098/The_Merged_Approved_Documents_Mar23.pdf Approved Document L, Conservation of fuel and power, Volume 1: Dwellings, 2021 edition incorporating 2023 amendments], states in relation to the term ‘economically feasible’:<br /> <br /> The capital cost of a measure will be recouped in energy savings within a reasonable time. For the purposes of this document, economically feasible means that the measure would achieve a simple payback after one of the following.<br /> <br /> * 7 years, for the installation of thermostatic room controls.<br /> * 15 years, for any other measure.<br /> <br /> = Related articles on Designing Buildings =<br /> <br /> * Air permeability.<br /> * Airtightness.<br /> * Approved document L.<br /> * Approved documents.<br /> * Building Regulations.<br /> * Consequential improvements.<br /> * Cooling.<br /> * Heating.<br /> * Payback period.<br /> <br /> [[Category:DCN_Definition]] [[Category:Definitions]]</div>

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