12 Best Duct Cleaning Companies in Welwyn Garden City
66 BESA Vent Hygiene Register contractors are registered within reach of Welwyn Garden City, 6 of them accredited for both TR19 Grease and TR19 Air.
- 66accredited within 100 miles
- 6hold both TR19 accreditations
- 8mito the nearest
- 770food premises in Welwyn Hatfield
Accredited contractors nearest Welwyn Garden City
Ordered by accreditation first and distance second. Dual accreditation covers both kitchen extract and general ventilation, which most contractors on the register do not hold.
- 0119 mi
Canopy Cleaning Services
London, Camden
- 0238 mi
Ventilation & Water Compliance Ltd
Canvey Island, Castle Point
- 0341 mi
Swiftclean (UK) Ltd
Southend-on-Sea, Rochford
- 0446 mi
Rentokil Specialist Hygiene
Crawley
- 0591 mi
Ductbusters Limited
Halesowen, Dudley
- 0692 mi
A&M Industrial Cleaning Ltd
Buxton, Broadland
- 078 mi
KDC Food Hygiene Ltd
Ware, East Hertfordshire
- 0810 mi
- 0913 mi
Mlk Cleaning Services Ltd
London, Enfield
- 1018 mi
J&I Cleaning Services Ltd
Ruislip, Hillingdon
- 1119 mi
Ventilation Hygiene Cleaning Ltd
Royston, South Cambridgeshire
- 1220 mi
Hy5 Commercial Cleaning Ltd
London, Islington
61 further accredited contractors could also take on work in Welwyn Garden City, either from further out or by working nationwide. The register lists every one at thebesa.com.
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Checking a Welwyn Garden City contractor before you book
Every contractor on this page was on the BESA Vent Hygiene Register when it was read on 20 September 2026. Membership lapses, and the register also records firms that have been suspended for non-compliance or removed altogether, so it is worth checking the register itself before you sign anything. Our national ranking of the sixteen dual-accredited contractors explains what the accreditations mean and what a verification report should contain.
Questions about duct cleaning in Welwyn Garden City
How many accredited duct cleaning companies serve Welwyn Garden City?
66 contractors on the BESA Vent Hygiene Register are registered within 100 miles of Welwyn Garden City, and 6 of those hold accreditation in both TR19 categories. A further 7 accredited contractors say on their own websites that they work nationwide. The register was read on 20 September 2026.
Does a contractor have to be local to clean ventilation in Welwyn Garden City?
No. Ventilation hygiene is planned compliance work on a schedule, not an emergency call-out, so contractors routinely travel for it and many of the larger firms work across the country. Distance matters for the cost of getting a team to site and for how quickly remedial work can be scheduled, which is why every distance on this page is shown.
What should a Welwyn Garden City contractor give me when the work is finished?
A post-clean verification report with before and after evidence for each section of the system, the method used, and a certificate confirming the system was cleaned to the relevant TR19 specification. That document is what an insurer or a fire risk assessor asks to see. Photographs on their own are not evidence.
Work in Welwyn Garden City and think you belong on this page?
This page is built from the Vent Hygiene Register. If your accreditation is current and you are missing, tell us.