Condensation and mould ventilation fixes
We find why the house is wet and fix the ventilation, rather than painting over mould.
From £525 inc VAT per fan
Greater London · England
Ventilation in St Helier
Homes, rentals and business premises in St Helier and SM1, SM4 and SM5.
- London rates
- Free survey for new installs
- Airflow tested and recorded
We cover St Helier (SM1, SM4 and SM5) as part of our work across Greater London. We can help homeowners, landlords and businesses with new systems, testing, cleaning and repairs.
Landlords in St Helier can book a whole-property check: fans tested, trickle vents looked at and a written list of what to fix, which is useful evidence if a tenant reports damp or mould.
For businesses in St Helier we cover office and shop ventilation, commercial kitchen extraction, duct cleaning to TR19 and planned servicing of air handling units.
St Helier at a glance
- Town
- St Helier, Greater London
- Postcode districts
- SM1, SM4 and SM5
- Nearby
- Carshalton (1 mile), Morden (1 mile), Mitcham (2 miles) and Wallington (2 miles)
- Price region
- London
- Rules
- England
- Distance from our base
- about 109 miles
Services in St Helier
Ventilation for landlords and letting agents
Tested fans and PIV for rental homes and HMOs, with records for your property file.
From £1,800 inc VAT per property
Commercial ventilation design and installation
Supply and extract with heat recovery for offices, shops, clinics and fit-outs.
From £9,550 + VAT per system
Commercial kitchen extraction
Canopies, extract fans, make-up air and gas interlocks for cafés and restaurants.
From £7,150 + VAT per kitchen
- Duct cleaning (TR19 Grease and Air)
- Ventilation repairs and fault finding
- MVHR installation
- MVHR servicing and filter changes
- Positive input ventilation (PIV)
- Extractor fan installation
- Air handling units
- Commercial heat recovery
- Ductwork
- Car park ventilation
- LEV
- Servicing contracts
- dMEV fans
- Single-room heat recovery
- Social housing
- Air quality surveys
- New builds & extensions
- Airflow testing
Guide prices in St Helier
| Work | Guide price |
|---|---|
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £7,750–£11,350 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £150–£270 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £415–£725 inc VAT |
| Rental upgrade: PIV unit plus two humidity-controlled extract fans (typical 2 to 3 bed) (per property) | £1,800–£3,225 inc VAT |
Guide prices using London rates. Home prices include VAT at 20%; business prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first.
Rules in England
In England, ventilation in new and altered homes is covered by Approved Document F of the Building Regulations. Landlords also have duties under the Housing Health and Safety Rating System, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
Questions from St Helier
Is the survey free in St Helier?
For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.
How far are you from St Helier?
Our team is based in Great Barr, Birmingham, about 109 miles away. Every visit is booked by appointment and confirmed in writing.
What does ventilation work cost in St Helier?
It depends on the job. As a guide, TR19 Grease kitchen extract clean with post-clean report, single canopy system is typically £475 to £1,075 + VAT per clean, using London rates.
Nearby
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