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Concrete Testing Solutions Limited (CTSL)

12 Boughton Road, SE28 0AG, London, United Kingdom

UKAS|9436ISO/IEC 17025Register refreshed 2026-09-25
Certificates
1
Scope items
5
Standards
19
Locations
1

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UKASRefreshed
9436Active

Accredited standards

19

Our reading of the UKAS scope: each standard once, with its official name where we have checked it. Click a standard to see the scope line it comes from, word for word.

EN

EN 12350-1Testing fresh concrete - Part 1: Sampling and common apparatus
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 12350-2Testing fresh concrete - Part 2: Slump-test
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 12504-1Testing concrete in structures - Part 1: Cored specimens - Taking, examining and testing in compression
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 13286-4Name not checked yet
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 1097 series

EN 1097-1Tests for mechanical and physical properties of aggregates - Part 1: Determination of the resistance to wear (micro-Deval)
As written on the certificate · Line 2 (UKAS 9436)

BS EN 1097-1:2023; BS EN 1097-1:2023 Annex A Laboratory Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2 :2020 Laboratory Resistance to fragmentation of aggregate for railway ballast - Los Angeles method BS EN 1097-2 :2020 Annex A Laboratory Water content BS EN 1097-5 :2008 Laboratory Particle density and water absorption - wire basket method for aggregate particles between 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6 :2022

EN 1097-2Tests for mechanical and physical properties of aggregates - Part 2: Methods for the determination of resistance to fragmentation
As written on the certificate · Line 2 (UKAS 9436)

BS EN 1097-1:2023; BS EN 1097-1:2023 Annex A Laboratory Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2 :2020 Laboratory Resistance to fragmentation of aggregate for railway ballast - Los Angeles method BS EN 1097-2 :2020 Annex A Laboratory Water content BS EN 1097-5 :2008 Laboratory Particle density and water absorption - wire basket method for aggregate particles between 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6 :2022

EN 1097-5Tests for mechanical and physical properties of aggregates - Part 5: Determination of the water content by drying in a ventilated oven
As written on the certificate · Line 2 (UKAS 9436)

BS EN 1097-1:2023; BS EN 1097-1:2023 Annex A Laboratory Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2 :2020 Laboratory Resistance to fragmentation of aggregate for railway ballast - Los Angeles method BS EN 1097-2 :2020 Annex A Laboratory Water content BS EN 1097-5 :2008 Laboratory Particle density and water absorption - wire basket method for aggregate particles between 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6 :2022

EN 1097-6Tests for mechanical and physical properties of aggregates - Part 6: Determination of particle density and water absorption
As written on the certificate · Line 2 (UKAS 9436)

BS EN 1097-1:2023; BS EN 1097-1:2023 Annex A Laboratory Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2 :2020 Laboratory Resistance to fragmentation of aggregate for railway ballast - Los Angeles method BS EN 1097-2 :2020 Annex A Laboratory Water content BS EN 1097-5 :2008 Laboratory Particle density and water absorption - wire basket method for aggregate particles between 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6 :2022

EN 12390 series

EN 12390-1Testing hardened concrete - Part 1: Shape, dimensions and other requirements for specimens and moulds
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 12390-2Testing hardened concrete - Part 2: Making and curing specimens for strength tests
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 12390-3Testing hardened concrete - Part 3: Compressive strength of test specimens
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 12390-7Testing hardened concrete - Part 7: Density of hardened concrete
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 933 series

EN 933-3Tests for geometrical properties of aggregates - Part 3: Determination of particle shape - Flakiness index
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 933-4Tests for geometrical properties of aggregates - Part 4: Determination of particle shape - Shape index
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

EN 933-11Name not checked yet
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

ISO 17982 series

ISO/IEC 17982-1Name not checked yet
As written on the certificate · Line 4 (UKAS 9436)

BS EN ISO 17982-1 :2014; BS EN ISO 17982-4:2016 Laboratory Particle size distribution - Hydrometer method BS EN ISO 17982-4:2016 Laboratory Determination of liquid limit by the fall cone method BS EN ISO 17982-12:2018; BS EN ISO 17982-12:2018; BS 1377-2; BS 1377-9

ISO/IEC 17982-4Name not checked yet
As written on the certificate · Line 4 (UKAS 9436)

BS EN ISO 17982-1 :2014; BS EN ISO 17982-4:2016 Laboratory Particle size distribution - Hydrometer method BS EN ISO 17982-4:2016 Laboratory Determination of liquid limit by the fall cone method BS EN ISO 17982-12:2018; BS EN ISO 17982-12:2018; BS 1377-2; BS 1377-9

ISO/IEC 17982-12Name not checked yet
As written on the certificate · Line 4 (UKAS 9436)

BS EN ISO 17982-1 :2014; BS EN ISO 17982-4:2016 Laboratory Particle size distribution - Hydrometer method BS EN ISO 17982-4:2016 Laboratory Determination of liquid limit by the fall cone method BS EN ISO 17982-12:2018; BS EN ISO 17982-12:2018; BS 1377-2; BS 1377-9

As written on the certificate · Line 5 (UKAS 9436)

BS EN ISO 17982-12:2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17982-12:2018; IEC 17025

Other standards

BS 1377-2Name not checked yet
As written on the certificate · Line 3 (UKAS 9436)

BS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2

As written on the certificate · Line 4 (UKAS 9436)

BS EN ISO 17982-1 :2014; BS EN ISO 17982-4:2016 Laboratory Particle size distribution - Hydrometer method BS EN ISO 17982-4:2016 Laboratory Determination of liquid limit by the fall cone method BS EN ISO 17982-12:2018; BS EN ISO 17982-12:2018; BS 1377-2; BS 1377-9

Scope as published by UKAS

5 lines
UKAS

ISO/IEC 17025

Active

9436

View scope

Accredited scope, certificate 9436

LineDisciplineMethodMatrixRange
1materialsISO/IEC 17025:2017Concrete-
2Electrical TestingBS EN 1097-1:2023; BS EN 1097-1:2023 Annex A Laboratory Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2 :2020 Laboratory Resistance to fragmentation of aggregate for railway ballast - Los Angeles method BS EN 1097-2 :2020 Annex A Laboratory Water content BS EN 1097-5 :2008 Laboratory Particle density and water absorption - wire basket method for aggregate particles between 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6 :2022 Laboratory Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6 :2022Drinking water-
3Materials TestingBS EN 933-3 :2012 Laboratory Shape index BS EN 933-4 :2008 Laboratory Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates BS EN 933-11 :2009 Laboratory UNBOUND and HYDRAULICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4 :2021 Laboratory CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample BS EN 12350-1:2019; BS EN 12350-2:2019 Site Curing cubic specimens for strength tests BS EN 12390-2:2019 Laboratory Site Slump test BS EN 12350-2:2019; BS EN 12390-3:2019 BS EN 12390-1:2021 BS EN 12390-2:2019 Laboratory Density BS EN 12390-7:2019; BS EN 12504-1 :2019; BS 1377-2Drinking water-
4Materials TestingBS EN ISO 17982-1 :2014; BS EN ISO 17982-4:2016 Laboratory Particle size distribution - Hydrometer method BS EN ISO 17982-4:2016 Laboratory Determination of liquid limit by the fall cone method BS EN ISO 17982-12:2018; BS EN ISO 17982-12:2018; BS 1377-2; BS 1377-9Drinking water-
5Materials TestingBS EN ISO 17982-12:2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17982-12:2018; IEC 17025Soil-

Ranges are reproduced from the accredited scope document as published. 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

12 Boughton Road, London, SE28 0AG, GB

51.49369, 0.09351

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Accreditation data refreshed from the UKAS register on .

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