About us

Crowthorne Group

Crowthorne Group is an independent clean air service and validation provider established in 1986. We are not associated with any manufacturer, construction company or supplier of equipment or facilities and can therefore provide entirely impartial reports on your facility or equipment, when required.

Our Head Office is in Farnborough, Hampshire but we operate throughout the UK with a regional office in East Kilbride. Our engineers are based in all regions of the country to provide rapid response to our clients’ requirements. Crowthorne Ireland has its Head Office in Dublin, again with regional engineers.

Crowthorne Group has a national and international reputation for quality, expertise and reliability. We work globally with many ‘blue-chip’ companies and Governmental organisations. We are also actively involved with the preparation of British, European and international Standards, both sitting on and providing technical advice to Standard committees. Additionally we are employed as technical advisers for major projects including hospitals, major containment facilities, Governmental agencies and construction companies.

We are active in promoting the development of training and certification of those involved with the validation of cleanrooms and clean air equipment. We sit on the CTCB-I Advisory Committee in both Scotland (S2C2), Ireland (ICS) and VCCN (Holland). This includes training on the preparatory courses and the provision of examiners.


Products

Air Quality Testing For Sterile Services

Air Quality Testing For Sterile Services

Air Quality Testing For Sterile ServicesHTM 03-01 offers guidance on the design and management of heating and specialised ventilation systems in healt...

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Air Quality Testing Services For Isolation Rooms

Air Quality Testing Services For Isolation Rooms

Air Quality Testing Services For Isolation RoomsAll specialised ventilation systems operating in critical areas should be inspected quarterly, with a ...

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Air Quality Testing Services For Mortuaries

Air Quality Testing Services For Mortuaries

Air Quality Testing Services For MortuariesAll specialised ventilation systems operating in critical areas should be inspected quarterly, with a verif...

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Air Quality Testing Services For Pharmacies

Air Quality Testing Services For Pharmacies

Air Quality Testing Services For PharmaciesPost-operative infection is heavily influenced by the suitability and quality of air within an operating th...

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Airborne Particle Concentrations (Particle Counting) Testing For Cleanrooms

Airborne Particle Concentrations (Particle Counting) Testing For Cleanrooms

Airborne Particle Concentrations (Particle Counting) Testing For CleanroomsAirborne Particle Concentrations (Particle Counting) Testing For Cleanrooms...

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Airborne Particle Concentrations (Particle Counting) Testing For Controlled Environments

Airborne Particle Concentrations (Particle Counting) Testing For Controlled Environments

Airborne Particle Concentrations (Particle Counting) Testing For Controlled EnvironmentsAirborne Particle Concentrations (Particle Counting) Testing F...

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Airflow Velocity Testing For Cleanrooms

Airflow Velocity Testing For Cleanrooms

Airflow Velocity Testing For CleanroomsAirflow Velocity Testing For Cleanrooms make sure there is adequate air velocity to maintain correct pressure w...

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Airflow Velocity Testing For Controlled Environments

Airflow Velocity Testing For Controlled Environments

Airflow Velocity Testing For Controlled EnvironmentsAirflow Velocity Testing For Controlled Environments make sure there is adequate air velocity to m...

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Airflow Visualisation Testing For Cleanrooms

Airflow Visualisation Testing For Cleanrooms

Airflow Visualisation Testing For CleanroomsAirflow Visualisation Testing For Cleanrooms make sure the movement of air is satisfactory using smoke to ...

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Airflow Visualisation Testing For Controlled Environments

Airflow Visualisation Testing For Controlled Environments

Airflow Visualisation Testing For Controlled EnvironmentsAirflow Visualisation Testing For Controlled Environments make sure the movement of air is sa...

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Airflow Volume Testing For Cleanrooms

Airflow Volume Testing For Cleanrooms

Airflow Volume Testing For CleanroomsAirflow Volume Testing For Cleanrooms ensure the right airflow volume as specified within relevant standard Pleas...

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Airflow Volume Testing For Controlled Environments

Airflow Volume Testing For Controlled Environments

Airflow Volume Testing For Controlled EnvironmentsAirflow Volume Testing For Controlled Environments ensure the right airflow volume as specified with...

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Cleanroom Containment Testing Services

Cleanroom Containment Testing Services

Cleanroom Containment Testing ServicesIt is the recommendation of the Advisory Committee on Dangerous Pathogens that containment measures are in place...

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Cleanroom Validation Tests

Cleanroom Validation Tests

Cleanroom Validation TestsMeasuring the performance of your cleanroom or controlled environment is important when you have to regulate the level of ai...

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Compressed Air Testing For Cleanrooms

Compressed Air Testing For Cleanrooms

Compressed Air Testing For CleanroomsCleanrooms and other controlled environments are designed and constructed to control the concentration of airborn...

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Compressed Air Testing For Controlled Environments

Compressed Air Testing For Controlled Environments

Compressed Air Testing For Controlled EnvironmentsControlled Environments and other controlled environments are designed and constructed to control th...

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Containment Laboratory Testing Services

Containment Laboratory Testing Services

Containment Laboratory Testing ServicesIt is the recommendation of the Advisory Committee on Dangerous Pathogens that containment measures are in plac...

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Containment Leak Testing For Cleanrooms

Containment Leak Testing For Cleanrooms

Containment Leak Testing For CleanroomsContainment Leak Testing For Cleanrooms check the construction of the facility during high pressure works Pleas...

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Containment Leak Testing For Controlled Environments

Containment Leak Testing For Controlled Environments

Containment Leak Testing For Controlled EnvironmentsContainment Leak Testing For Controlled Environments check the construction of the facility during...

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Containment Level 3 Laboratory Fumigation

Containment Level 3 Laboratory Fumigation

Containment Level 3 Laboratory FumigationContainment Level (CL) 3 laboratories provide two physical levels of containment from harmful pathogens. Alth...

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Containment Testing Services For Cleanrooms

Containment Testing Services For Cleanrooms

Containment Testing Services For CleanroomsContainment laboratories are classified depending upon the types of biological agents being used. For a det...

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Containment Testing Services For Laboratories

Containment Testing Services For Laboratories

Containment Testing Services For LaboratoriesContainment laboratories are classified depending upon the types of biological agents being used. For a d...

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Conventional Operating Theatre Preventative Maintenance Services

Conventional Operating Theatre Preventative Maintenance Services

Conventional Operating Theatre Preventative Maintenance ServicesPost-operative infection is heavily influenced by the suitability and quality of air w...

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Conventional Theatre AHU Inspections

Conventional Theatre AHU Inspections

Conventional Theatre AHU InspectionsHTM 03-01 offers guidance on the design and management of heating and specialised ventilation systems in health se...

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Conventional Theatre Visual Inspections

Conventional Theatre Visual Inspections

Conventional Theatre Visual InspectionsPost-operative infection is heavily influenced by the suitability and quality of air within an operating theatr...

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Filter Leak Testing For Cleanrooms

Filter Leak Testing For Cleanrooms

Filter Leak Testing For CleanroomsFilter Leak Testing For Cleanrooms will review how quickly the facility recovers following a contamination release P...

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Filter Leak Testing For Controlled Environments

Filter Leak Testing For Controlled Environments

Filter Leak Testing For Controlled EnvironmentsFilter Leak Testing For Controlled Environments will review how quickly the facility recovers following...

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Fume Cupboard Fan System Testing

Fume Cupboard Fan System Testing

Fume Cupboard Fan System TestingA fume cupboard, also known as a fume hood, fume cabinet or chemical hood, is a ventilated enclosure which is designed...

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Fumigation of Containment Level 3 Laboratories

Fumigation of Containment Level 3 Laboratories

Fumigation of Containment Level 3 LaboratoriesContainment Level (CL) 3 laboratories provide two physical levels of containment from harmful pathogens....

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Laminar Flow Clean Bench Testing Services

Laminar Flow Clean Bench Testing Services

Laminar Flow Clean Bench Testing ServicesWe can carry out numerous performance tests and safety checks as part of a routine service contract, all of w...

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News

Local Exhaust Ventilation (LEV) Legislation Explained

Local Exhaust Ventilation (LEV) Legislation Explained

In the UK alone, thousands of people each year develop lung diseases as a result of their occupation, through breathing in dust, fumes, or dangerous a...

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Customer Satisfaction Survey – A Big Thank You

Customer Satisfaction Survey – A Big Thank You

Action speaks louder than words and when our customers speak, we take action! ‘Reliable’, ‘high quality’, ‘useful’ and ‘good value for money’ are the ...

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Cancer threat impacts welders protection requirements

Cancer threat impacts welders protection requirements

New scientific evidence from the International Agency for Research on Cancer indicates that welding fumes can cause lung cancer and possibly kidney ca...

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Why should I use the VHP method?

Why should I use the VHP method?

H₂O₂ (hydrogen peroxide) is an oxidising agent which, when it comes into contact with micro-organisms, oxidises their cells or spores, thus deactivati...

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We’ve moved! (…but not too far)

We’ve moved! (…but not too far)

Our new head office address is: Beech House Ancells Business Park Ancells Road Fleet Hampshire GU51 2UN. Our main contact number and email address r...

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How to reduce the risk of post-operative surgical site infection (SSI) rates through regular inspections

How to reduce the risk of post-operative surgical site infection (SSI) rates through regular inspections

Research has indicated that the level of post-operative infection and the rate of surgical wound infections is strongly influenced by operating theatr...

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CHTS & Biopharma Group Join Forces in Ireland

CHTS & Biopharma Group Join Forces in Ireland

The Irish division of Crowthorne Hi-Tec Services (CHTS) are pleased to announce that we have joined forces with Biopharma Group to offer our combined ...

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Welcoming our new UK Head of Sales to CHTS

Welcoming our new UK Head of Sales to CHTS

We are pleased to introduce our new UK Head of Sales for Crowthorne Hi-Tec Services, Frank Hackett, a role in which he will continue to build and main...

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The Importance of Portable Appliance Testing

The Importance of Portable Appliance Testing

Contrary to belief, the concept of Portable Appliance Testing (PAT) is not new. As a result of regulations being passed, reasons as to why portable ap...

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What does the future hold for lab fumigation?

What does the future hold for lab fumigation?

Safety cabinets, laboratory equipment and containment laboratories have historically been fumigated using formaldehyde. Methods have changed over the ...

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14644 Parts 1 & 2: What does this really mean for users?

14644 Parts 1 & 2: What does this really mean for users?

Following January 2016, the revised ISO 14644 Parts 1 and 2 replaced all previous standards. Part 1 deals with revised particle counting standards and...

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CL3 Laboratories and NHS Safety Alert on Use of Inserts for Electrical Sockets

CL3 Laboratories and NHS Safety Alert on Use of Inserts for Electrical Sockets

Aware that guidelines have recently been issued within the NHS to remove ‘child-proof’ inserts from electrical sockets in NHS properties, we at Crowth...

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We’re Celebrating 30 Years in Business

We’re Celebrating 30 Years in Business

30 Years Providing Independent Service & Advice How we got from 1986 – 2016: Crowthorne Hi-Tec Services (CHTS) was established in 1986 by Owen Ford an...

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Clean Room Integrity: Are Your Compressed Airlines Safe?

Clean Room Integrity: Are Your Compressed Airlines Safe?

Is your compressed air supplied to the same quality as your clean room? Regular testing and validation of production environments is an accepted pract...

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CL3 Laboratories – A Hot Topic For Inspections

CL3 Laboratories – A Hot Topic For Inspections

As the industry falls under ever closer scrutiny by inspectors, the demands on Lab Managers to provide evidentiary proof of containment is increasing,...

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15 News

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Introducing Crowthorne Group, Europe's largest servicing and validation provider for cleanroom and clean air containment facilities.

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Crowthorne Group

  • Beech House
  • Ancells Business Park
  • Fleet
  • Hampshire
  • GU51 2UN

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