United Kingdom

Sound Research Laboratories a trading name of SRL Technical Services

Holbrook House, Little Waldingfield, Sudbury, CO10 0TH, Suffolk, United Kingdom

UKAS 0444ISO/IEC 17025Register refreshed 2026-10-23

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Accredited standards: 15
UKAS certificate: 1
Site in our directory: 1

UKAS accredited scope

What this lab is accredited for

Our reading of the UKAS scope: each standard once, with its official name where we have checked it.

Search this lab’s scope for a standard or test

Only this lab. Searches the 15 standard numbers and the 10 official names we hold. When no standard matches, it searches the method text of every scope line.

EN3

EN 1793-1

EN 1793-2

EN 16272-1

ISO3

ISO 7235Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

ISO 16283-1Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 1: Airborne sound insulation

ISO 16283-2Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 2: Impact sound insulation

ISO 10140 series3

ISO 10140-1Acoustics - Laboratory measurement of sound insulation of building elements - Part 1: Application rules for specific products

ISO 10140-2Acoustics - Laboratory measurement of sound insulation of building elements - Part 2: Measurement of airborne sound insulation

ISO 10140-3Acoustics - Laboratory measurement of sound insulation of building elements - Part 3: Measurement of impact sound insulation

ISO 140 series3

ISO 140

ISO 140-4Acoustics - Measurement of sound insulation in buildings and of building elements - Part 4: Field measurements of airborne sound insulation between rooms

ISO 140-7Acoustics - Measurement of sound insulation in buildings and of building elements - Part 7: Field measurements of impact sound insulation of floors

ISO 717 series3

ISO 717

ISO 717-1Acoustics - Rating of sound insulation in buildings and of building elements - Part 1: Airborne sound insulation

ISO 717-2Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation

Read from the scope as published by UKAS. Register refreshed 2026-10-23.

Scope as published by UKAS

6 lines

UKAS

ISO/IEC 17025

Active

0444

View scope

Accredited scope, certificate 0444

Line	Method	Matrix	Range
1	ISO/IEC 17025:2017	-	-
2	BS EN ISO 140-4:1998; BS EN ISO 717-1:1997; BS EN ISO 140-7:1998; BS EN ISO 717-2:1997; BS EN ISO 16283-1:2014	-	-
3	BS EN ISO 140:Part 3:1995; BS EN ISO 717; BS EN ISO 10140-1:2021; BS EN ISO 10140-1:2021 Laboratory measurement of airborne sound insulation of building elements BS EN ISO 10140-2:2021 BS EN ISO 717:Part 1:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2	Hydraulic Excavators; Rope-Operated Excavators; Dozers, Loaders and Excavator-Loaders; Building Elements; Separating elements including partitions, doors, floors, windows, walls, facade constructions and other panels; Walls; Doors; Windows; Glazing; Small technical elements such as ventilators, grilles and cable raceways; Shutters; Building elements and facades not specifically described in the Annexes of BS EN ISO 10140-1:2021	100 to 3150 Hz
4	BS EN ISO 10140-1:2021; BS EN ISO 140:Part 6:1998; BS EN ISO 717-2:1997; BS EN ISO 10140-2:2021 BS EN ISO 717-1:2020 BS EN ISO 10140-3:2021 BS EN ISO 717-2:2020 A ACOUSTICAL LININGS Linings on walls and floors BS EN ISO 10140-1:2021; BS EN ISO 10140-2:2021 BS EN ISO 717-1:2020 A FLOOR COVERINGS Floor Coverings BS EN ISO 10140-1:2021	Floors; Acoustical Linings; Linings on walls and floors; Floor Coverings; Suspended Ceilings; Roofs, Roof/Ceiling Systems, Roof Windows and Skylights; Building Finishes including ceiling panels, wall panels, carpets, curtains, proprietary or purpose-made sound absorbent materials, and other room contents including seating, screens and space absorbers	100 to 5000 Hz
5	BS EN ISO 140-4:1998; BS EN ISO 717-1:1997; BS EN ISO 16283-1:2014; BS EN ISO 140-7:1998; BS EN ISO 717-2:1997	Building Elements such as partitions, walls, floors, facades; Floors	50 to 5000 Hz
6	BS EN ISO 16283-2:2020 Site Site Ducted silencers/attenuators Static Insertion Loss Total Pressure Loss Regenerated Noise of ducted silencers in the range 100 to 5000 Hz in 1/3 or 1/1 octave bands BS EN ISO 7235:2009; BS EN 1793-1:2012; BS EN 1793-1:2017 BS EN 1793-2:2012; BS EN 1793-2:2018; BS EN 16272-1:2012	Room volumes >=25 m3; Room volumes <25 m3; Ducted silencers/attenuators; Road Traffic Noise Barriers; Rail Traffic Noise Barriers	50 to 5000 Hz

Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.

Location

Holbrook House, Little Waldingfield, Sudbury, Suffolk, CO10 0TH, GB

52.24100, 1.04657

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Accreditation data refreshed from the UKAS register on 2026-10-23.

This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the UKAS entry linked above.