NHS National Standards of Healthcare Cleanliness 2021 — Cleaning Specification and Equipment for NHS Environments

The NHS National Standards of Healthcare Cleanliness 2021 (NSHC 2021) is the primary document setting the cleaning specification for NHS provider organisations in England. Published by NHS England and NHS Improvement, it replaced the National Specifications for Cleanliness in the NHS (2007) and introduces a risk-based approach to cleaning frequency and audit that connects cleaning resource allocation to patient safety risk. NSHC 2021 is separate from the Health Technical Memoranda (HTMs) -- it is the cleaning standard itself, not the engineering guidance. All NHS provider organisations are expected to implement NSHC 2021 and demonstrate compliance in CQC inspections. Cleaning contractors working in NHS environments must understand what NSHC 2021 requires of their service delivery, documentation and equipment.

The risk-based framework

NSHC 2021 introduces a room risk categorisation system that determines the minimum cleaning frequency for each area of an NHS facility. Rooms and areas are categorised by the risk they present to patients:

Very High Risk -- areas such as operating theatres, intensive care units, isolation rooms and other clinical areas with the highest infection risk. Cleaning frequency is highest in these areas -- typically multiple times daily.
High Risk -- clinical areas including general wards, clinical treatment rooms, endoscopy and similar. Daily minimum cleaning frequency.
Significant Risk -- areas with moderate patient contact. Daily or frequent cleaning.
Low Risk -- administrative areas, offices and other non-clinical spaces with minimal patient contact. Less frequent cleaning schedule.

The risk categorisation drives the cleaning specification -- what must be cleaned, how often and to what standard. NSHC 2021 also introduces a National Cleaning Audit tool for assessing compliance with the standard.

Colour-coded equipment and zone management

NSHC 2021 specifies a mandatory colour-coded cleaning equipment system for NHS environments. Different colours are assigned to different risk zones and clinical areas to prevent cross-contamination. The colour coding applies to mop heads, cloths, buckets and -- critically -- to vacuum cleaner accessories, brush heads and hose fittings. Using the same vacuum hose and accessories across different risk zones without colour coding is a compliance failure under NSHC 2021 and a cross-contamination risk.

The standard NHS colour-coding system assigns specific colours to specific areas. Cleaning contractors working across multiple areas of an NHS facility must have adequate colour-coded accessory sets for each zone and must not transfer equipment between zones without decontamination.

Equipment specification under NSHC 2021

NSHC 2021 does not specify individual equipment models but sets performance requirements that determine equipment suitability:

HEPA filtration for vacuum equipment -- vacuum cleaners used in Very High and High Risk areas must be fitted with HEPA filtration to prevent fine particulate from being exhausted back into the clinical environment. H-Class vacuum extraction with H14 HEPA at 99.995% is the appropriate specification for Very High Risk environments. See: H-Class extraction
Stainless construction -- equipment in contact with clinical environments should be constructed of materials that can be decontaminated without damage -- stainless steel for tanks and fittings rather than plastic
Colour-coded accessories -- as above, accessory sets must be available in the correct colours for the zone system in use at the NHS site
Equipment records -- NSHC 2021 requires maintenance records for cleaning equipment as part of the governance framework. LEV examination records under COSHH Regulation 9 feed into this requirement for dust extraction equipment

Relationship with HTMs and ICRA

NSHC 2021 governs the ongoing cleaning of NHS facilities. The HTMs govern the engineering standards for the built environment. ICRA governs infection control during maintenance and construction work. All three frameworks are active simultaneously in an NHS facility -- a maintenance contractor working inside a hospital must comply with ICRA for their dust control, while the cleaning contractor maintaining the ward must comply with NSHC 2021 for their routine cleaning specification. See: HTM guidance | ICRA guidance

Related legislation and compliance

Related sector pages

Healthcare hub | Facilities management hub | Public sector procurement

Trade accounts for NHS cleaning contractors

V-TUF supplies H-Class extraction equipment, stainless industrial vacuums and colour-coded accessories to NHS cleaning contractors and NHS Trust in-house cleaning teams across the UK. Framework Support Packs available for NHS tender submissions. Public sector procurement

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