Mould & condensation
Mould remediation
Safe removal of mould growth combined with addressing the moisture source so that it does not return.
What the issue is
Mould grows where surfaces remain damp for long enough. Remediation involves removing the growth safely, treating affected surfaces and, critically, correcting the moisture conditions that allowed it to develop.
Common symptoms
- Black, green or grey speckled growth
- Mould around window reveals and in corners
- Growth behind furniture or in wardrobes
- Musty odour
- Repeated return after cleaning
Likely contributing factors
- Persistent surface condensation
- Cold surfaces and cold bridging
- Restricted air movement
- An unresolved leak or penetrating damp
- Poor extract ventilation
Conditions that may be mistaken for it
- Surface soiling or staining
- Efflorescent salts
- Historic mould that is no longer active
How the issue should be investigated
- Identify the extent and locations of growth
- Establish the moisture source
- Record humidity and surface temperatures
- Assess ventilation performance
- Consider occupant vulnerability
Potential treatment or repair options
- Controlled cleaning and removal of affected finishes where necessary
- Anti-microbial treatment of surfaces
- Ventilation improvements
- Insulation or heating improvements
- Redecoration with suitable finishes
When treatment may not be appropriate
- Where a small area can be cleaned and the cause simply corrected
- Where extensive treatment is proposed without addressing moisture
Factors affecting the cost
- Area affected and number of rooms
- Whether finishes must be removed
- Containment and protection required
- Ventilation works carried out alongside
What to expect during an inspection
The surveyor will assess the growth, take readings and discuss the likely moisture source before recommending a proportionate scope.
Final recommendations always depend on the property, the inspection findings and the confirmed cause. Elevated readings alone do not confirm rising damp, not every mould problem requires extensive treatment, and damp-affected plaster does not always need replacing.
Frequently asked questions
Next step
Not sure which inspection you need? Start with a few questions.
Tell us what you are seeing and we will set out what is likely, what is uncertain and which inspection would answer the question. Speak to us on 0333 335 6152 if you would rather talk it through.