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London - SAP Extension Calculations - 020 3390 0301
SAP Extension Calculations / SAP Extension Assessment - London
These are a Government defined process in accordance with Part L1B Building Control Regulation Compliance of Domestic Property SAP Extension Calculations are the Government's Standard Assessment Procedure for Energy Rating of Dwellings.
Since 6th April 2006, Part L1B has required SAP Extension Calculations to be carried out on every new conversion.
All SAP Extension Calculations are calculated in accordance with Part L1B of the building regulations.
Many extension designs do not comply with the minimum Part L1b regulations. These require that areas of new glazing account for no more than 25% of new floor area.
We can help you overcome this hurdle easily and quickly.
You will automatically achieve Compliance with Part L1B if the extension envelope is sufficiently insulated, the area of all openings is within the 25% allowance and building service are sufficient. If your dwelling does not achieve this standard our consultants in London will be able to give you advise on how to offset this by potentially upgrading other parts of the dwelling.
The Calculation is produced by creating a Notional and proposed version of the entire dwelling. The notional dwelling is the current building with the extension, this has the known current U Values of the building and the proposed extension defaulted to the L1B 'Upgraded Thermal Elements' standards. This 'Notional' SAP calculation provides a calculated level of annual carbon dioxide emissions which in turn provides a target threshold for the proposed works. The proposed building will be same but with the actual proposed U Values that are going to be used for the new thermal elements and openings. The associated annual carbon dioxide emissions are then compared to the previously calculated target rate.
Conversely, if the proposed extension carbon dioxide emissions are greater than the calculated target threshold, then trade-off improvements will be required to either the extension specification or the existing house as a means offsetting the additional heat loss associated with the extra levels of glazing within the proposed extension above the standard threshold detailed within the Building Regulations
E2 Consultants in London can undertake SAP Calcs to demonstrate compliance with Part L1B (England and Wales) Building Regulations for new build dwellings, extensions and conversions.
E2 Consultants in London makes Part L compliance simple and straightforward - keeping customers happy.
At E2 Consultants London we pride ourselves on being able to provide all of the Part L services. Aswell as SAP Extension Calculations we also provide "On Construction" EPCs, Air Tightness/pressureTesting, sound / acoustic testing, A SAP Extension Calculations assessments / BREEAM assessments with consultancy. As part of our service we advise our clients as to how they can best achieve compliance in the most cost effective manner, for this reason all of our SAP Extension Calculations are site specific. Alterations are free of charge and our SAP assessors will also liaise with Building Control Officers on your behalf.
E2 Consultants in London can also provide you with a "On Construction" Energy Performance Certificates (EPCs), they are produced using the SAP methodology and are undertaken by one of our OCDEA (On Construction DEA). The certificates are needed if a property is to be sold or let, they can also be requested by Building Control. Whether E2 Consultants have completed your initial SAP Extension Calculations, your initial SAP assessor is not qualified to produce "On Construction" EPCs or SAP Extension Calculations have not already been carried out on the development, E2 Consultants are able to produce your On Construction Energy Performance Certificates (EPCs).
E2 Consultants in London will try to beat any other price that you might receive. Call one of our regional offices and speak to one of our sap Extension calculation experts on 020 3390 0301 or email email@example.com for a formal quotation.
Our other services include:
On Construction EPC, Air Leakage Testing, Part G - Water Calculations, Sustainability Statements, SAP Conversion Calculations, Part E, Thermography, Energy Statements, SAP Calculations (TER/DER), Part F Ventilation Testing, Environmental Noise, Code 4 Sustainable Homes, Acoustic Testing,
SAP Extension Calculations can also be known as:
SAP Extension Assessment,
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