Ductwork installation in Hertfordshire

Ductwork carries air between the fan or unit and the rooms it serves, and how it is sized, hung and sealed decides how well the whole system performs. We supply and install spiral and rectangular galvanised ductwork, fittings, dampers, insulation and access panels.

We carry out ductwork installation across Hertfordshire, including Hemel Hempstead, Stevenage, St Albans, Welwyn Garden City and Cheshunt. Prices use East of England rates. We survey first, free of charge for new installations on the mainland, then send a fixed written quote.

Ductwork in Hertfordshire at a glance

Area: Hertfordshire
Towns listed: 32, largest Watford
Postcode districts: AL3, AL4, WD1, WD19, SG12 and SG13
Price region: East of England
Survey: Free survey (UK mainland)

How we do it

Undersized or leaky ductwork forces fans to work harder and makes systems noisy. We work to recognised sheet-metal ductwork specifications, seal joints, fit access panels for cleaning and insulate ducts that run through cold spaces or carry cold air. We install for our own ventilation systems and for other contractors, from short runs in a shop to full warehouse and office distribution.

Rectangular ductwork

For larger volumes or limited ceiling depth.

Insulation and fire dampers

Thermal insulation and dampers where ducts pass through compartments, as designed.

Access panels

Fitted for future cleaning and inspection.

Guide prices in Hertfordshire

Ductwork installation guide prices in Hertfordshire
Work	Guide price
Spiral ductwork supplied and installed (up to 315 mm diameter) (per metre)	£45–£100 + VAT
Rectangular ductwork supplied and installed, insulated where needed (per metre)	£100–£235 + VAT

East of England rates shown. Prices exclude VAT. The fixed price is confirmed in writing after we have seen the job.

Common reasons people call

No access panels for cleaning
Uninsulated ducts dripping condensation
A new system needs distribution ductwork

Rules in England

English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. Workplaces must also be ventilated with a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992.

How the job runs

Survey
Drawings
Install
Insulate
Test

Towns we cover in Hertfordshire

Questions about ductwork installation in Hertfordshire

Which towns in Hertfordshire do you cover?

All of Hertfordshire, including Hemel Hempstead, Stevenage, St Albans, Welwyn Garden City and Cheshunt. If your town is not listed, send the postcode and we will confirm.

How much does ductwork installation cost?

Spiral ductwork up to 315 mm typically costs £45 to £95 per metre and rectangular ductwork £95 to £225 per metre excluding VAT, supplied and installed, depending on size and height.

Spiral or rectangular duct?

Spiral duct is quicker to install and leaks less; rectangular duct fits shallow ceiling voids and larger airflows.

Are prices different in Hertfordshire?

Our guide prices are adjusted by region. In Hertfordshire we use East of England rates, so spiral ductwork supplied and installed (up to 315 mm diameter) is typically £45 to £100 + VAT per metre.

Is the survey free in Hertfordshire?

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.