L1B SAP Calculations, Water Usage Calculations & Sound Insulation Testing

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THE BRIEF

We were instructed to complete a combination of L1B SAP Calculations, Sound Insulation Testing and Water Efficiency Calculations on this conversion of a property

THE PROCESS

After reviewing drawings, on site testing was ready to be completed. All calibrated equipment was setup in accordance to our strict procedures to ensure the most accurate result possible

THE RESULTs

SOUND TESTING RESULTS

Airborne Wall Target

≥ 43

Flat 408 Kitchen / Dining Room - Flat 409 Bedroom 1

≥ 43

Flat 408 Bedroom 1 - Flat 407 Bedroom 1

≥ 43

Flat 409 Kitchen / Living RoomBedroom 1 - Flat 410 Bedroom 1

≥ 43

Flat 503 Bedroom 1 - Flat 504 Bedroom 1

≥ 43

Flat 505 Bedroom 1 - Flat 506 Bedroom 1

≥ 43

Flat 502 Bedroom 1 - Flat 503 Bedroom 1

Airborne Floor Target

≥ 43

Flat 408 Kitchen / Dining Room - Flat 308 Kitchen / Dining Room

≥ 43

Flat 408 Bedroom 1 - Flat 308 Bedroom 1

≥ 43

Flat 409 Kitchen / Living Room - Flat 309 Kitchen / Living Room

≥ 43

Flat 503 Bedroom 1 - Flat 403 Bedroom 1

≥ 43

Flat 505 Bedroom 1 - Flat 405 Bedroom 1

≥ 43

Flat 502 Bedroom 1 - Flat 402 Bedroom 1

Impact Floor Target

≤ 64

Flat 408 Kitchen / Dining Room - Flat 308 Kitchen / Living Room

≤ 64

Flat 408 Bedroom 1 - Flat 308 Bedroom 1

≤ 64

Flat 409 Kitchen / Living Room - Flat 309 Kitchen / Living Room

≤ 64

Flat 503 Bedroom 1 - Flat 403 Bedroom 1

≤ 64

Flat 505 Bedroom 1 - Flat 405 Bedroom 1

≤ 64

Flat 502 Bedroom 1 - Flat 402 Bedroom 1

Airborne Wall Result

Flat 408 Kitchen / Dining Room - Flat 409 Bedroom 1

Flat 408 Bedroom 1 - Flat 407 Bedroom 1

Flat 409 Kitchen / Living RoomBedroom 1 - Flat 410 Bedroom 1

Flat 503 Bedroom 1 - Flat 504 Bedroom 1

Flat 505 Bedroom 1 - Flat 506 Bedroom 1

Flat 502 Bedroom 1 - Flat 503 Bedroom 1

Airborne Floor Result

Flat 408 Kitchen / Dining Room - Flat 308 Kitchen / Dining Room

Flat 408 Bedroom 1 - Flat 308 Bedroom 1

Flat 409 Kitchen / Living Room - Flat 309 Kitchen / Living Room

Flat 503 Bedroom 1 - Flat 403 Bedroom 1

Flat 505 Bedroom 1 - Flat 405 Bedroom 1

Flat 502 Bedroom 1 - Flat 402 Bedroom 1

Impact Floor Result

Flat 408 Kitchen / Dining Room - Flat 308 Kitchen / Living Room

Flat 408 Bedroom 1 - Flat 308 Bedroom 1

Flat 409 Kitchen / Living Room - Flat 309 Kitchen / Living Room

Flat 503 Bedroom 1 - Flat 403 Bedroom 1

Flat 505 Bedroom 1 - Flat 405 Bedroom 1

Flat 502 Bedroom 1 - Flat 402 Bedroom 1

PASS

AVERAGE SAP RATING

≤ 43.74

Average Target Emission Rate (TER)

≤ 76.02

Average Target Fabric Energy Efficiency (TFEE)

50.67

Average Dwelling Emission Rate (DER)

92.49

Average Dwelling Fabric Energy Efficiency (DFEE)

Compliant

The building's Sound Tests passed.
The SAP Calculations failed to meet Part L, however due to the mill being a listed building, they do not have to pass Building Regulation standards. It was deemed that the required upgrades would drastically alter the character of the building. The results are therefore for indicative purposes only.
A Water Efficiency Rate of 108.24 Litres per person per day was achieved, the Target being ≤ 110L.
Our Combined Compliance Package offers excellent value.

Please refer to our Myth Busters for SAP Calculations here for common misconceptions and our How To Guides in our Advice Centre here