Northern Ireland
Ventilation contractors in County Londonderry
Homes, rentals and business premises across County Londonderry, with guide prices for Northern Ireland.
- 4 towns listed
- Northern Ireland rates
- By arrangement
We can help homeowners, landlords and businesses across County Londonderry when ventilation needs designing, fitting, testing, cleaning or fixing. Guide prices on this page use Northern Ireland rates.
For homes in County Londonderry the usual starting points are extractor fans, PIV and condensation surveys. Whole-home MVHR makes most sense in new builds, big refurbishments and very airtight houses.
For County Londonderry premises we design, install and maintain supply and extract systems, kitchen canopies and LEV, and we work around opening hours where we can.
Work in County Londonderry is by arrangement. We quote travel, including any ferry, in writing before you commit.
County Londonderry at a glance
- Nation
- Northern Ireland
- Towns listed
- 4
- Largest towns
- Londonderry County, Derry and Coleraine
- Postcode districts include
- BT47, BT47, BT52 and BT49
- Price region
- Northern Ireland
- Distance from our base
- about 263 miles to 278 miles
Towns in County Londonderry
Services in County Londonderry
- Servicing contracts
- Repairs
- MVHR
- MVHR servicing
- PIV
- Extractor fans
- dMEV fans
- Single-room heat recovery
- Condensation & mould
- Landlords
- Social housing
- Air quality surveys
- New builds & extensions
- Airflow testing
- Commercial ventilation
- Air handling units
- Commercial heat recovery
- Ductwork
- Car park ventilation
- Kitchen extraction
- Duct cleaning
- LEV
Guide prices in County Londonderry
| Work | Guide price |
|---|---|
| LEV thorough examination and test with written report (per system) | £180–£365 + VAT |
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £135–£225 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £410–£675 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £725–£1,275 inc VAT |
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £5,950–£8,700 inc 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.
Ventilation 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 about County Londonderry
Are prices different in County Londonderry?
Our guide prices are adjusted by region. In County Londonderry we use Northern Ireland rates, so new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £410 to £675 inc VAT per fan.
Is the survey free in County Londonderry?
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.
Which towns in County Londonderry do you cover?
All of County Londonderry, including Londonderry County, Derry, Coleraine and Limavady. If your town is not listed, send the postcode and we will confirm.
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.