Solutions for condensation, mould & indoor air quality.
EnviroVent helps homeowners and landlords tackle condensation, damp and mould by installing compliant, energy-efficient ventilation systems that improve indoor air quality.
For more than 35 years, we’ve designed and manufactured systems here in the UK and supported thousands of homes nationwide. Many properties in London experience high humidity, condensation on windows, or black mould growth caused by poor ventilation. We offer free home surveys to identify the best solution for your home and help reduce moisture build-up through proven ventilation technology.
Every home is different, which is why we offer free surveys to assess indoor air quality and recommend the most suitable solution. Whether you're dealing with ongoing condensation or looking to improve ventilation throughout your property, our specialists can help specify, install and support the right system for long-term performance.
Vrush Gajjar EnviroVent Local Specialist
I’m Vrush Gajjar, your local Domestic Ventilation Specialist for Greater London.
I support homeowners and landlords in selecting compliant, low-maintenance ventilation systems that effectively address issues such as mould, condensation and poor indoor air quality.
With a background in property renovation, insulation and surveying, I have a strong understanding of how homes across our region are constructed and how different building styles influence airflow. From traditional Victorian terraces, semi-detached and detached houses to modern city apartments, I’ve seen first-hand the challenges that damp and condensation pose for these properties.
My team and I are fully trained and accredited and we are proud to provide reliable, long-lasting solutions backed by EnviroVent’s national expertise and industry-leading technology.
We offer local surveys, installation, servicing and aftercare across HA, SL, TW, UB, W, WC, NW, AL, EN & WD, ensuring you have a trusted specialist on hand whenever you need support.
We provide a full range of UK-manufactured ventilation systems that help reduce condensation and improve indoor air quality in every type of property:
• Positive Input Ventilation (PIV): Whole-home systems that introduce filtered air and help prevent mould and damp
• Extractor Fans: Silent, efficient and fully compliant with Building Regulations
• Mechanical Ventilation with Heat Recovery (MVHR): Energy-saving solutions for new builds and refurbishments
• Free Home Surveys: To assess your property and recommend the best ventilation option
• Installation and Servicing: Delivered by our trained local specialists for ongoing support
See how our expert team and solutions help customers tackle mould and improve indoor air quality
If you have an issue with condensation, mould build up or ventilation issues then EnviroVent are the company to go to. I have been using their services for 10 years and have had a number of my rental properties surveyed by EnviroVent where they come up with a solution to eradicate mould issues by creating extra ventilation methods or better ventilation.
Landlord in Croydon
We have suffered condensation mould and running water on our windows for over 40 years. We have tried numerous products to remedy this and never really succeeded. In a matter of days of having this system fitted our problems have been solved. Really pleased. Great service, a brilliant system couldn’t ask for anymore.
Homeowner
We are a returning customer to EnviroVent. We know their systems work to reduce/remove problems with condensation & mould. We would highly recommend their products & all aspects of their service from initial enquiry, through to installation.
Homeowner
Once you request a free survey*, one of our local ventilation specialists will get in touch to speak to you and discuss your concerns. If ventilation can provide a long term solution, we’ll arrange a convenient time to visit your home.
During the free survey* one of our local ventilation specialists will:
Assess any condensation or mould problems in your property
Take readings of the relative humidity levels
Identify any underlying problems and make recommendations for a long term solution
Free, no-obligation advice for property and homeowners to help improve your home’s ventilation and indoor air quality.
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*Please see additional limitations and fees for the below postcodes and areas
Subject to geographical locations in DG, KA, ML, DD, FK, PH, PA, AB, IV, KW, ZE.
In BT postcodes a £60 fee is applied, which is deductible from the final bill.
In postcodes SS, RM, N, IG, EC, E1 – E9 & E20, CM, SE, SW, NN, NG31-34, PE, IP, NR, CB, CO, LE & SG we are unable to provide an in person survey, please contact us at domestic@envirovent.com or 01423 810 810 to discuss options available.
Explore our range of PIV, extractor fans, MVHR, MEV and dMEV's. Or get expert advice and guidance for the right product for your home or property.
The ATMOS® range are loft mounted Positive Input Ventilation (PIV) systems that are designed to reduce mould and condensation and improve indoor air quality within a property.
The CYCLONE 8 is a continuous running extractor fan suitable for WCs, bathrooms, utility rooms and kitchens. It is a major advancement in extractor fan technology; it utilises a centrifugal impeller and our Intellitrac technology which ensures extremely high airflow performance and humidity levels are controlled all year round.
The ATMOS® WALL range are wall mounted Positive Input Ventilation (PIV) systems that are designed to reduce mould and condensation and improve indoor air quality within flats or apartments.
Understanding what’s causing them in your home is essential to protecting both your property and your health. If you’re dealing with condensation, damp or mould, you’re not alone — thousands of households across the UK experience the same issues every year.
Problems like condensation and mould can affect any property, old or new. What matters is understanding the cause and knowing the steps that can help reduce it.
Condensation is excess moisture in the air settling on cold surfaces, often leading to damp and mould—discover how to prevent it.
Unwanted moisture inside a property caused by leaks, rising water, or poor ventilation.
A fungal growth that thrives in damp, poorly ventilated areas and can affect health and air quality.
Our Knowledge Hub is your go-to resource for expert guidance on ventilation and solving condensation, mould, and indoor air quality issues.
UK homes are built to hold heat in — not let moisture out. Learn how ventilation can protect your home from condensation, mould and mould
Protect your rental property and reduce costly damage caused by mould and condensation
Support your tenants and landlords with effective, compliant home ventilation solutions
EnviroVent London is owned and operated by Vrush Gajjar, an independently owned EnviroVent franchisee. The EnviroVent franchise network is operated by EnviroVent Franchising Limited. EnviroVent Ltd registered in England and Wales No. 6297061. Registered office: Harrogate West Business Park, Unit 1 Bardner Bank, Killinghall, Harrogate, HG3 2SP . VAT No. 698548361.
