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Mould & Damp Inspection in La Lucia
Mould in La Lucia is usually condensation from ambient humidity. A diagnostic inspection establishes which of the three damp mechanisms is at work before you spend anything, because the repairs are completely different and the wrong one is the most common expensive mistake. Expect R1,800 to R4,500 and a written report within 48 hours.
What causes mould in La Lucia
Condensation from ambient humidity. This is the defining local mechanism and the most misdiagnosed in the country. The air here holds so much moisture year-round that any surface below dew point collects water — inside wardrobes, behind headboards, in closed rooms, on the cold side of air-conditioned homes. The building is not leaking at all.
Direct marine exposure combined with year-round humidity, so corrosion and mould occur together.
How to tell which type you have
Black spotting inside cupboards on external walls, behind furniture, and in rooms that are kept closed. Worse in unoccupied or holiday properties. No relationship to when it last rained.
- Rising damp
- Reads high at the base of the wall and falls with height. Stops at a consistent level, usually with salt crystals at the tide line.
- Penetrating damp
- A patch unrelated to floor level that darkens during and after rain and dries between.
- Condensation
- High surface moisture with a comparatively dry wall behind it. Worst in the coldest corners, behind furniture and around windows — and it occurs in buildings that are not leaking at all.
The pattern is the diagnosis. An inspector takes moisture readings at three heights plus humidity and surface temperature, because each mechanism leaves a different signature — and a thermal camera on its own does not see moisture, only temperature difference.
What it costs to put right in La Lucia
Ventilation, extraction and air movement — often a few thousand rand of mechanical extraction rather than waterproofing. A great deal of money is spent on this coast waterproofing buildings that were never leaking.
| Item | Indicative range |
|---|---|
| Mould & damp diagnostic inspection | R1,800 – R4,500 |
| Laboratory sample (per sample) | R900 – R2,500 |
| Chemical DPC injection (per linear metre) | R900 – R1,800 |
| Replaster after damp treatment (per m²) | R350 – R700 |
| Roof or balcony waterproofing (per m²) | R250 – R650 |
| Mechanical extraction to a bathroom or kitchen | R2,500 – R8,000 |
Indicative market ranges for guidance, not quotes. Full mould & damp guide →
Also common in La Lucia
- Termite and borer pressure on roof timbers and joinery, constant here
- Storm-driven penetrating damp in summer, which is a separate mechanism again
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Frequently asked questions
Why does the damp keep coming back in La Lucia?
Almost always because the water source was never found. Painting over mould or sealing the inside of a wall removes the evidence and leaves the cause running. In La Lucia the usual cause is condensation from ambient humidity, and until that is dealt with the stain returns.
How much does a mould inspection cost in La Lucia?
Between about R1,800 and R4,500 for a diagnostic inspection with a written report, depending on the size of the property and access. Laboratory sampling, where it is genuinely warranted, adds R900 to R2,500 per sample — but for most homeowners who can already see the mould it adds cost without changing the remedy.
How do I know which type of damp I have?
By the pattern, not the appearance. Black spotting inside cupboards on external walls, behind furniture, and in rooms that are kept closed. Worse in unoccupied or holiday properties. No relationship to when it last rained. An inspector takes moisture readings at floor, mid-wall and ceiling height, plus humidity and surface temperature, because rising, penetrating and condensation damp each produce a different signature.
What will it cost to fix?
Ventilation, extraction and air movement — often a few thousand rand of mechanical extraction rather than waterproofing. A great deal of money is spent on this coast waterproofing buildings that were never leaking.
Is the mould in my home dangerous?
Indoor damp and mould are associated with respiratory symptoms, asthma exacerbation and allergic rhinitis, and the risk is higher for children, elderly occupants and anyone with asthma or a weakened immune system. It warrants prompt repair of the water source rather than alarm — and South Africa has no statutory indoor mould exposure limit, so be wary of anyone whose first recommendation is a laboratory test.
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Full home inspection in La Lucia → · The complete guide to mould & damp →