Energy performance certificate (EPC) recommendation report

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15 April 2031

Energy rating and EPC

This property’s current energy rating is D.

For more information on the property’s energy performance, see the EPC for this property.


Make these changes to improve the property’s energy efficiency.

Recommended improvements are grouped by the estimated time it would take for the change to pay for itself. The assessor may also make additional recommendations.

Each recommendation is marked as low, medium or high. This shows the potential impact of the change on reducing the property’s carbon emissions.

Changes that pay for themselves within 3 years
Recommendation Potential impact
Consider replacing T8 lamps with retrofit T5 conversion kit. High
In some spaces, the solar gain limit defined in the NCM is exceeded, which might cause overheating. Consider solar control measures such as the application of reflective coating or shading devices to windows. Medium
Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required. Low
Changes that pay for themselves within 3 to 7 years
Recommendation Potential impact
Add time control to heating system. Low
Add optimum start/stop to the heating system. Medium
The default heat generator efficiency is chosen. It is recommended that the heat generator system be investigated to gain an understanding of its efficiency and possible improvements. Low
Changes that pay for themselves in more than 7 years
Recommendation Potential impact
Some walls have uninsulated cavities - introduce cavity wall insulation. Medium
Some windows have high U-values - consider installing secondary glazing. Medium
Add local temperature control to the heating system. Medium
Add weather compensation controls to heating system. Medium
Add local time control to heating system. Low

Property and report details

Report issued on
16 April 2021
Total useful floor area
54 square metres
Building environment
Heating and Natural Ventilation
Calculation tool
CLG, iSBEM, v5.6.b, SBEM, v5.6.b.0

Assessor’s details

Assessor’s name
Octavius Broadbent
Employer’s name
EPC Assessor
Employer’s address
3 Snake Lane, Duffield, DE56 4ff
Assessor ID
Assessor’s declaration
The assessor is not related to the owner of the property.
Accreditation scheme
Elmhurst Energy Systems Ltd

Other reports for this property

If you are aware of previous reports for this property and they are not listed here, please contact us at or call our helpdesk on 020 3829 0748.

There are no related reports for this property.