Plot 10 Union Road, Clapham

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BUILDING LEAKAGE TEST HPD Building Compliance Ltd Cherry Tree House High Street Thorndon, Suffolk IP23 7LX Phone: 01379 678092

Date of Test: 24th February 2015 Test File: Plot 10 Union Road, Clapham Customer:

Technician: David Taylor (BINDT Reg. 0276)

Durkan Limited Building Address: 4 Elstree Gate Elstree Way Borehamwood, Hertfordshire WD6 1JD Phone: Fax:

Test Results at 50 Pascals: V50: Airflow (m³/h) n50: Air Changes per Hour (1/h) w50: q50: m³/(h*m² Surface Area)

Block B, Type B2 Plot 10 Union Road Clapham, London SW4 6JP

381 ( +/- 0.6 %)

2.37

Leakage Areas:

129.0 cm² ( +/- 3.8 %) Canadian EqLA @ 10 Pa or 0.80 cm²/m² Surface Area 63.0 cm² ( +/- 6.0 %) LBL ELA @ 4 Pa or 0.39 cm²/m² Surface Area

Building Leakage Curve:

Air Flow Coefficient (Cenv) = 20.7 ( +/- 9.3 %) Air Leakage Coefficient (CL) = 20.9 ( +/- 9.3 %) Exponent (n) = 0.742 ( +/- 0.024 ) Correlation Coefficient = 0.99638

Test Standard: Type of Test Method: Equipment:

EN 13829 Test Mode: Depressurization B Regulation complied with: ADL1A 2010 Model 3 Minneapolis Blower Door, S/N 11812

Inside Temperature: Outside Temperature: Barometric Pressure: Wind Class: Building Wind Exposure: Type of Heating: Type of Air Conditioning: Type of Ventilation:

11 °C 9 °C 101325 Pa 3 Gentle Breeze Partly Exposed Building gas boiler to wet Rads

Volume: Surface Area: Floor Area: Uncertainty of Building Dimensions: Year of Construction:

161 m²

2% 2015

Central Extract

600 500 400 300 Building Leakage (m³/h)

200

100 90 80 70 60 50 4

5

6

7 8 9 10

20 30 Building Pressure (Pa)

40

50 60 70 80

BUILDING LEAKAGE TEST Page 2 Date of Test: 24th February 2015 Test File: Plot 10 Union Road, Clapham Comments Second floor flat Wet Rads Temp. seals to extractor registers Water in all traps DAP 3.0 Data Points: Depressurization Nominal Building Fan Pressure Pressure (Pa) (Pa) -0.3 n/a -63.0 162.3 -61.2 154.3 -55.4 138.0 -50.3 123.9 -45.0 101.4 -40.0 89.8 -35.6 67.0 -30.3 56.1 -25.1 44.6 -0.2 n/a Test 1 Baseline (Pa):

Nominal Flow (m³/h)

Temperature Adjusted Flow (m³/h)

% Error

455 443 418 395 356 334 287 261 232

449 437 412 390 351 330 283 258 229

-0.6 -1.1 0.5 2.1 0.0 2.6 -4.0 -1.2 0.9

p01- = -0.3

p01+ = 0.0

p02- = -0.2

p02+ = 0.0

Fan Configuration Ring C Ring C Ring C Ring C Ring C Ring C Ring C Ring C Ring C