BidSkim
Free report
Service market

Window cleaning contracts

UK public sector · 61 contracts awarded in the 12 months to 6 October 2026

Covering 600+ buyer portals · 5 years of records · Updated 6 October 2026 · How we count

Contracts awarded
61
Last 12 months
Median contract
£140k
Recorded value
Recorded value
£12.8m
51 of 52 main-service contracts have a published value
Buyers
49
Suppliers
51

BidSkim assigns contracts to services from the notice text. How services are assigned

What stands out

  • The five suppliers that won the most window cleaning contracts took 20% of them (12 of 61).
  • The median contract, £140k, is 29% below the median across cleaning & facilities contracts (£198k).
  • North West had the most contracts: 11, or 18% of the total.

Who buys window cleaning

By contracts awarded, the 12 months to 6 October 2026.

  1. 1Southern Housing6 contracts
  2. 2NHS Property Services Limited3 contracts
  3. 3City of London Corporation2 contracts
  4. 4Somerset NHS Foundation Trust2 contracts
  5. 5Welwyn Hatfield Borough Council2 contracts
  6. 6Progress Housing Group2 contracts
  7. 7Ipswich Borough Council2 contracts
  8. 8Anchor Hanover Group1 contract
  9. 9Karbon Homes1 contract
  10. 10New Forest District Council1 contract

Top window cleaning contractors by contracts won

The 12 months to 6 October 2026.

  1. 1City Clean (Northern) Ltd4 contracts
  2. 2Enterprise Cleaning & Support Services Ltd2 contracts
  3. 3Cleanscapes Ltd2 contracts
  4. 4Four Corners Cleaners Ltd2 contracts
  5. 5SJ Cleaning (Midlands) Limited2 contracts
  6. 6Mark Durant Cleaning LLP2 contracts
  7. 7CLEARVIEW SERVICES GROUP2 contracts
  8. 8Clearground Limited2 contracts
  9. 9Atlas Facilities Management Limited2 contracts
  10. 10OCS2 contracts

Latest and largest awards

Each links to the official notice.

Latest

Largest

Contracts awarded by quarter

8Q4 2025*15Q1 202619Q2 202619Q3 20260Q4 2026*
* part quarter

Where the contracts were awarded

England 57 · Wales 2 · Northern Ireland 1 · Scotland 1

North West11East of England9North East7South East7East Midlands5West Midlands5Yorkshire and The Humber4South West3London2Wales2Scotland1Northern Ireland1UK-wide or not stated4

What is included

Routine internal and external cleaning of windows, glazed doors and internal glazed partitions across a building estate at agreed frequencies.

  • External and internal window cleaning
  • Close and communal window cleaning in housing
  • Glass door and glazed partition cleaning
  • Window cleaning lots inside wider cleaning contracts
  • Window cleaning combined with occasional gutter cleaning

What is not included

  • High-rise glazing needing rope access or cradles (see Rope access and high-rise cleaning)
  • Gutter-led contracts (see Gutter cleaning and clearance)
  • Facade and cladding cleaning (see External building, facade and roof cleaning)
  • High-level internal glazing and atria cleaned with access equipment (see High-level internal cleaning)
  • Solar panels (see Solar panel cleaning)
  • Internal windows cleaned within a routine building cleaning contract (see Commercial cleaning)
  • Train windows (see Train and rolling stock cleaning)

Often bought by the same buyers