Condensation and mould ventilation fixes
We find why the house is wet and fix the ventilation, rather than painting over mould.
From £410 inc VAT per fan
County Londonderry · Northern Ireland
Ventilation in Derry
Homes, rentals and business premises in Derry and BT47 and BT48.
- Northern Ireland rates
- By arrangement
- Airflow tested and recorded
Ventilation Contractors works on houses, flats, rentals and business premises in Derry and across County Londonderry. Tell us the postcode and what is going wrong, and we will tell you which fix fits before anyone books a visit.
Landlords in Derry 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.
Commercial work in Derry is priced from a site visit or your drawings. Kitchen extract cleaning, LEV testing and servicing visits are priced per system.
Work in Derry is by arrangement. We quote travel, including any ferry, in writing before you commit.
Derry at a glance
- Town
- Derry, County Londonderry
- Postcode districts
- BT47 and BT48
- Nearby
- Londonderry County (under a mile), Strabane (14 miles) and Limavady (15 miles)
- Price region
- Northern Ireland
- Rules
- Northern Ireland
- Distance from our base
- about 278 miles
Services in Derry
Ventilation for landlords and letting agents
Tested fans and PIV for rental homes and HMOs, with records for your property file.
From £1,375 inc VAT per property
Commercial ventilation design and installation
Supply and extract with heat recovery for offices, shops, clinics and fit-outs.
From £7,300 + VAT per system
Commercial kitchen extraction
Canopies, extract fans, make-up air and gas interlocks for cafés and restaurants.
From £5,450 + 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 Derry
| Work | Guide price |
|---|---|
| Kitchen canopy and extract system for a café or takeaway (canopy up to 2 m) (per kitchen) | £5,450–£11,000 + VAT |
| Small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) (per system) | £7,300–£15,600 + VAT |
| Home repair or fault-finding visit, first hour (parts extra) (per visit) | £85–£150 inc VAT |
| LEV thorough examination and test with written report (per system) | £180–£365 + VAT |
Guide prices using Northern Ireland 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. Travel is quoted separately for this area.
Rules in Northern Ireland
In Northern Ireland, ventilation is covered by Technical Booklet K of the Building Regulations (Northern Ireland). Workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations (Northern Ireland) 1993.
Questions from Derry
Do you cover Derry?
Yes. We cover Derry (BT47 and BT48) and nearby places including Londonderry County, Strabane and Limavady.
Is the survey free in Derry?
Visits here are by arrangement. Because of the ferry or long travel involved, we quote travel separately and in writing before you commit, and we can often combine visits to keep the cost down.
How far are you from Derry?
Our team is based in Great Barr, Birmingham, about 278 miles away. Every visit is booked by appointment and confirmed in writing.
Nearby
Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.