Deep clean and odour treatment in Welling
If an indoor unit in Welling drips from the front, a blocked drain tray is often the cause, which a deep clean clears. In London, heat soaks into brick and concrete during the day and comes back out at night, which is when it is hardest to sleep.
A musty smell on start-up is the most common sign that an indoor unit in Welling needs a deep clean. We cover Welling as part of London, roughly 10 miles from central London. Homes in DA16 are all within our coverage.
Prices in Welling
In London, our guide range for a deep clean and odour treatment is £190–£325 per indoor unit, including VAT. Prices here sit above the national middle, reflecting London labour rates and parking and access costs. The price depends mainly on how many indoor units need cleaning and whether the fan and coil need a full strip-down. Typical Two units work (deep clean of two indoor units on one visit) lands around £350–£595 in this area.
One unit
Deep clean of a single indoor unit.
Two units
Deep clean of two indoor units on one visit.
Clean and service
Deep clean plus a full service of the system.
Permissions
A deep clean does not touch the refrigerant circuit and needs no permissions. If the engineer finds a refrigerant problem, it is explained and priced separately before anything is done.
The visit
Visits in Welling are booked at a price agreed with you in advance. If the engineer finds anything beyond the agreed work, they explain it and price it before carrying it out. We agree the visit price before we come. On the day the engineer checks the system, carries out the agreed work and talks you through anything they find.
What is included
Included as standard in Welling:
- Coil cleaner and thorough rinse
- Drain tray and line flush and sanitise
- Filter wash
- Dust sheets and waterproof cleaning bag
- Test run and readings
Nearby
Neighbouring places we cover include Bexley (2 miles), Eltham (3 miles) and Thamesmead (3 miles). See all services in Welling or deep clean and odour treatment across London.

