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WHAT IS A SAP CALCULATION What is a SAP calculation?
SAP stand for Standard Assessment Procedure and is a calculation recommended by the Government to measure the overall energy officiency of a property. It produces a rating between 1 and 100 based on the amount of energy required for space heating, water heating and lighting. Do I need to have a SAP rating?Yes if you are building a new dwelling or converting an existing building into a dwelling.
This will form part of the Building Control application and Building Regulation completion certificates will generally not be issued if a SAP rating has not been provided. Carbon Emissions
The SAP calculation will include the Target (TER) and Actual (DER) Carbon Emissions from the dwelling which will be needed to demonstrate compliance with Part L to the Building Regulations Who can provide a calculation?
They can be provided by Government Accredited Assessor or on Government Approved software. When do I require a calculation?
It is recommended that a calculation be carried out at early design stage to check that the building will comply with the carbon emission requirements contained within the calculation. If the requirement is not met then changes will need to be made to achieve compliance. An ‘as built' calculation will then be required at the end of the project. Do I need a SAP calculation for an extension?
No but as a general rule you will need to keep the glazed area to less than 25% of the floor area of the extension. However if an energy analysis of the extension is undertaken the glazing can often be increased. MSBC are experienced at preparing these calculations. What information is required?
Hard copies of scaled plans, elevation and section are required. We will also require details on the insulation, heating and hot water systems and to assist you have a questionnaire that can be completed and returned to us to enable the calculation to be undertaken. The drawings can be returned if requested. How long will it take?
When providing a quote we will always provide you with a timescale for providing the calculation. This is generally two weeks. We can provide a quicker turn - around service if necessary. PDF copies of the calculation will be e-mailed to you as soon as the calculation is done. How much does it cost?The fee for a SAP calculation for a standard house is £100 which includes the design calculation, as built calculation and Energy Certificate. Should the design calculation show that the building fails to meet the Carbon Emissions Target we will advise you of the changes you should make and recalculate at no extra charge. Minor changes can also be made during construction without further charge.
For multiple dwellings of similar house types, conversions or extensions, please contact us for a bespoke quotation. Payment is required within 7 days of completion of the calculation. What is included in our fee?We will provide you with a SAP calculation based on the information you have provided which will give you the SAP rating together with the DER and TER Carbon Emission calculations. We will also provide you with check lists for Building Control and the Builder. We will give you practical advice on any changes that may need to be made to achieve compliance.
On completion of the work we will provide you with an "as built" SAP calculation and certificate for display in the property. This is on the assumption that there have been no substantial changes in the design of the property during the construction work. All our information is e-mailed to you as PDF copies, hard copies can be provided at a nominal fee. Loyalty Vouchers?To reward customer loyalty for each completed SAP project you will receive a voucher. 3 vouchers can then be exchanged for one of the following:-
Air Testing
We do not undertake air testing ourselves but work closely with Air Testing South West who will be pleased to provide you with a quote to undertake the testing. Examples
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Example SAP calculation
SAP Questionnaire