Offices Nationwide

Air Testing & Leakage
Air Pressure Testing is not just for new-builds, it can be used to find leakage areas in existing buildings, improve the air tightness and improve/stop drafts..more

How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more
Isle of Man - Standard Assessment Procedure - 0161 403 0129
The office that covers this area is: Manchester
The towns & cities that are covered within this county are:
Douglas, Peel,
Phone Number: 0161 403 0129 Email: isle-of-man@e2consultants.co.uk
SAP Calculations is sometimes referred to as SAP Conversion Calc, SAP Conversion rating, Part L1B Compliance, SAP Conversion Calcs, SAP Conversion Assessment, SAP Conversion Calculations.
How Is A SAP Assessment Undertaken?
The SAP software will determine if a building complies with Building Regulations in Isle of Man using the information provided by the SAP assessment. This crucial information relates to the type of dwelling, floors, walls, the roof, windows, doors, lighting, renewable technologies, 'U' values, hot water and ventilation.
A SAP is done off-site but requires plans and drawings of the site in order to be calculated. Amongst other things, the SAP assessor will determine how good the thermal elements are in the floors and walls and how well heat passes through these elements - this is known as a 'U' value. A high 'U' value represents a high amount of heat lost - this is used in the SAP calculation.
Why Do I Need A SAP Calculation?
It is the responsibility of the builder to provide any On Construction EPCs when a home is constructed. This will also apply if a building is converted into fewer or more units (material change of use) and changes are made to the heating, hot water provision or air conditioning/ventilation services.
If you are selling a home before it has been built, you will need to provide information about energy efficiency in a Predicted Energy Assessment (PEA).
Under Part L of Building Regulations in Isle of Man, since 2006, any new dwellings or conversions need to have a SAP Calculation and Predicted EPC before any work can begin.
What Is A SAP Calculation?
A SAP rating represents the cost of energy required by a property over the course of a year with a score of 100 meaning there's no energy cost. This is calculated from lighting, heating, hot water systems, renewable technolgies used and the elements of structure. The higher the score, the lower the cost of running it.
A SAP calculation, the Government's Standard Assessment Procedure for Energy Ratings, is required to produce an On Construction EPC (Energy Performance Certificate) or a Predicted Energy Assessment (PEA).
Our other services include:
Standard Assessment Procedure can also be known as:
SAP Calculations, SAP Calc, Domestic Carbon Emission Calculation, Domestic Carbon Emission Calc, TER DER Calculation, TER DER Calc, SAP Rating, SAP Assessment,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970