Sussex locations
Damp, Mould & Leak Detection in Sussex
Crawley, Horsham and Mid Sussex as standard, since those West Sussex districts share the RH postcode area with Surrey, and the rest of Sussex by arrangement.
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Fully insured · Non-invasive methods first · Written reports included · London, Surrey & RH postcodes
Damp, mould and leak detection in Sussex
Sussex is the area of South East England now covered by the ceremonial counties of West Sussex and East Sussex, bordering Surrey to the north and Kent to the north east, with the South Downs National Park and the High Weald inland and 137 miles of coast. We cover the northern part of West Sussex that shares the RH postcode area with Surrey (Crawley, Horsham and Mid Sussex) as standard, and the rest of Sussex by arrangement.
Each district below links to the towns and villages within it that have a page of their own. If your area is not listed, call us: coverage is confirmed on the phone and every job is quoted individually.
Housing across Crawley, Horsham and Mid Sussex (Census 2021): 171,221 households; 68% owner-occupied, 16% privately rented and 14% socially rented. 18% of homes are purpose-built flats, 3% are flats in converted houses or other buildings, 22% terraced houses, 27% semi-detached and 30% detached.Source: ONS Census 2021, tables TS054 (tenure) and TS044 (accommodation type), via Nomis.
Covered as standard (RH postcodes)
Crawley
Main postcode districts: RH6, RH10, RH11.
Towns and villages covered: Furnace Green, Ifield, Maidenbower, Three Bridges, Worth.
Horsham
Main postcode districts: BN5, BN18, BN44, RH11, RH12, RH13, RH14, RH20.
Towns and villages covered: Steyning, Rudgwick, Adversane, Amberley, Ashington, Ashurst, Barns Green, Billingshurst and 57 more.
Mid Sussex
Main postcode districts: BN5, BN6, BN45, RH10, RH11, RH15, RH16, RH17, RH19.
Towns and villages covered: Burgess Hill, Cuckfield, East Grinstead, Haywards Heath, Lindfield, Whitemans Green, Albourne, Ansty and 32 more.
Rest of Sussex: by arrangement
Adur, Arun, Brighton and Hove, Chichester, Eastbourne, Hastings, Lewes, Rother, Wealden, Worthing. Call 0800 054 1524 and we will confirm whether we can attend and when.
Sussex postcode areas
The postcode areas that reach into Sussex and have a directory page.
Real investigations by our team
Examples from DML investigations across our service area. Our own photographs, not stock imagery.
What we do across Sussex
Diagnosis first, then the right repair, each stage in writing. All services →
Leak detection
Non-invasive leak finding for ceilings that keep staining, pressure-losing boilers and unexplained wet patches.
Trace & access (insurance)
The trace, the minimal opening-up and the written evidence your buildings insurer expects.
Damp & mould surveys
A survey that tells you the cause, not just that the wall is wet, and gives you a plan to put it right.
Moisture mapping & thermal imaging
Infrared scanning and calibrated meters that map the wet area and point to its source.
Book a damp, mould or leak investigation in Sussex
One call or message is all it takes to get an engineer booked. If water is actively coming in, phone rather than wait for a call back.
Get a call back☎ 0800 054 1524WhatsApp us
Insured
Included
Prioritised
Evidence Reports
Terms
Tell us about your Sussex property
A few details about the problem and the property, and we will ring you to talk it through. Urgent? Call 0800 054 1524 now.
Questions we are asked in Sussex
Which areas does the Sussex page cover?
Every place listed above links to its own page with local detail; places in Sussex without a page yet are still covered. Call 0800 054 1524 and we will confirm availability.
Are your reports accepted by insurers and landlords?
Our reports are written to be insurance-ready and suitable as supporting evidence for housing and compliance matters. Acceptance always rests with the insurer or authority; we provide the evidence.
Do you do the repairs in Sussex too?
Yes. The investigation and report come first; remedial works are quoted separately and our team carries them out or manages them.
Last reviewed: 27 October 2026. Independent investigation and written reports. Repairs are quoted separately.