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Mould removal London

Mould removal that deals with the cause, not just the stain

Wiping mould off a wall buys you a few weeks. We find out why it grew, kill it at the root, seal the surface and give you a written plan so it stays gone.

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  • 6 month guarantee
  • Fixed written quotes
  • No VAT added
  • All of London

Mould services

Mould removalProfessional mould removal across London. We find the moisture cause, treat the mould properly and back it with a 6 month written guarantee.Black mould removalBlack mould removal for walls, ceilings, bathrooms and window reveals in London. Cause found, mould killed, surface sealed, 6 month guarantee.Bathroom mould removalBathroom mould removal across London: ceilings, corners, grout and silicone. We treat the mould and fix the ventilation behind it. 6 month guarantee.Condensation controlStop condensation and the mould it causes. We measure humidity, find cold spots and fix ventilation in homes across London.End of tenancy mould cleaningEnd of tenancy mould cleaning between lets in London. Mould treated, surfaces sealed and a photo report ready for the next tenant.Extractor fans and PIVHumidity controlled extractor fans and positive input ventilation (PIV) units fitted across London to stop condensation and mould coming back.

Damp services

Damp treatmentDamp treatment across London. Honest diagnosis first, then the right fix for rising damp, penetrating damp, leaks or condensation. No VAT added.Damp surveyIndependent minded damp and mould surveys across London. Moisture readings, cause, photos and a written report with clear repair options.Rising damp treatmentRising damp treatment across London. We check it really is rising damp first, then fix bridging, install a damp proof course and replaster properly.Penetrating damp repairPenetrating damp repair across London. We trace where rain gets in through gutters, pointing, render or roofs, fix it and repair the wall inside.

Why mould keeps coming back after you clean it

Mould is a symptom. It grows wherever a surface stays damp for long enough, usually because warm moist air hits a cold wall, or because water is getting in from outside or below. Bleach and supermarket sprays bleach the colour out of the surface, but the roots (hyphae) stay inside the plaster, paint and sealant. The moment the surface gets damp again, it grows back in the same spot.

That is why the first thing we do on every job is work out where the moisture is coming from. If you skip that step, any treatment is just a cosmetic clean.

What our mould removal includes

  1. Inspection and moisture readings. We check the affected rooms with a moisture meter and a hygrometer, look at ventilation, heating, extractor fans, window trickle vents, gutters and any signs of leaks.
  2. Protection. Floors and furniture are covered and the work area is kept contained so spores are not spread around the home.
  3. Removal. Mould is cleaned off with a professional fungicidal wash, not bleach. Badly affected sealant, silicone and blown paint are removed.
  4. Treatment. The surface gets a fungicidal treatment that soaks into the substrate to kill what you cannot see.
  5. Sealing and finishing. We apply a stain block and, where it suits the room, a fungicidal anti mould coating. Bathroom silicone is replaced with mould resistant sealant.
  6. Written report. You get photos, the readings we took, the cause we found and what to fix so it does not return.

Where we find mould most

  • Bathroom ceilings and corners above the shower
  • Bedroom external walls, behind wardrobes and beds
  • Window reveals, sills and frames
  • Kitchen walls near the cooker and kettle
  • Cold corners in ground floor and top floor flats
  • Silicone around baths, showers and sinks

Each of these has its own usual cause, which is why we look before we quote. See our pages on bathroom mould, black mould and condensation.

How much mould removal costs

A single room mould treatment usually lands between £350 and £600, depending on the area affected, whether sealant needs replacing and whether the room needs an anti mould coating. Whole flats are priced per room with a discount. We are not VAT registered, so the price on the quote is the price you pay. Full figures are on our damp and mould prices page.

Our 6 month guarantee

Every mould treatment comes with a 6 month written guarantee on the treated surfaces. If mould comes back on those surfaces within 6 months and you have followed the recommendations in your report, we come back and treat it again free of charge. The details are on our guarantee page.

We cover all of London. See areas we cover for your local page, from Hackney and Croydon to Richmond and Barnet.

Questions people ask

How long does mould removal take?
Most single rooms take two to four hours. A whole flat is usually done in one day. Rooms can be used again the same day once surfaces are dry.
Do I need to move out while you treat the mould?
No. We work room by room and contain the area. If anyone in the home has asthma or a weak immune system, we suggest they stay out of the room being treated until we finish.
Will the mould come back?
It can if the moisture cause is not fixed. That is why we find the cause first and put it in writing. Where the fix is in our scope, like a new extractor fan, we quote for it. Our treatment is covered by a 6 month guarantee.
Can you remove mould for my tenant?
Yes. We work for landlords and letting agents every week. We arrange access with the tenant and send you a report with photos, readings and the cause, which helps you show you acted quickly.

Related

Black mould removalBlack mould removal for walls, ceilings, bathrooms and window reveals in London. Cause found, mould killed, surface sealed, 6 month guarantee.Condensation controlStop condensation and the mould it causes. We measure humidity, find cold spots and fix ventilation in homes across London.Damp surveyIndependent minded damp and mould surveys across London. Moisture readings, cause, photos and a written report with clear repair options.

Get a written quote

Send a few photos and your postcode. We reply with a price range the same day, then confirm a fixed written quote after a look at the property. No VAT added, and every mould treatment carries our 6 month guarantee.

  • Free photo assessment
  • Fixed written quote before any work
  • 6 month written guarantee

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