What to look for
Damp specialists diagnose and treat rising damp, penetrating damp, condensation, and timber decay (wet rot, dry rot, woodworm). The category overlaps with retrofit assessors, ventilation specialists, and structural surveyors. Misdiagnosis is common — many 'rising damp' cases are condensation or external defects, so independent diagnosis matters.
- Property Care Association membership (PCA)
- Certified Surveyor in Remedial Treatment (CSRT) qualification
- Genuine moisture-meter survey before treatment proposed
- Differential diagnosis (rising vs penetrating vs condensation)
- Long-term-insured guarantee (GPI-backed) on damp-proof works
- Ventilation considered as a remedy not just a chemical injection
Typical pricing: £250-£450 survey, £1,800-£4,500 typical damp-proof course, £180-£600 condensation treatment (UK 2026)
Regulator / certification to look for: Property Care Association (PCA), CSRT qualification, Trustmark