Seaham, County Durham
Commercial ventilation design and installation in Seaham
Supply and extract with heat recovery for offices, shops, clinics and fit-outs. Covering Seaham and SR2, SR3 and SR7.
- From £7,300 + VAT per system
- Free survey

Businesses in Seaham often need us when meeting rooms get stuffy or a new layout leaves areas with no fresh air.
Work in Seaham follows the rules for England and finishes with a written record of what was fitted and how it was set up.
Commercial ventilation in Seaham at a glance
- Town
- Seaham, County Durham
- Postcode districts
- SR2, SR3 and SR7
- Nearby
- Ryhope (2 miles), Hetton-le-Hole (4 miles) and Houghton-le-Spring (5 miles)
- Price region
- North East
- Survey
- Free survey (UK mainland)
Commercial ventilation for Seaham premises
Employers must make sure every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air under the Workplace (Health, Safety and Welfare) Regulations 1992. In practice, designers work to rates such as 10 litres a second per person for offices, taken from Approved Document F and CIBSE guidance, and adjust for meeting rooms, kitchens and toilets.
Heat recovery supply and extract
One or more units with ductwork to diffusers, sized for occupancy.
Toilet and kitchenette extract
Dedicated extract for welfare areas.
Guide prices in Seaham
| Work | Guide price |
|---|---|
| Small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) (per system) | £7,300–£15,600 + VAT |
| Office supply and extract ventilation with heat recovery, during a fit-out (per m² of floor) | £50–£115 + VAT |
These ranges use our North East rates. Prices exclude VAT. You get a fixed written price before any work is booked.
When to get it looked at
- More staff than the system was designed for
- A fit-out or change of layout
- A change of use that needs a new ventilation design
Rules that apply 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.
Questions from Seaham
Do you cover Seaham and nearby?
Yes. We cover Seaham and nearby places including Ryhope, Hetton-le-Hole, Houghton-le-Spring and Sunderland. Send your postcode and we will confirm.
Can you work as a subcontractor on a fit-out?
Yes. We can install to a main contractor's programme and consultants' drawings, and supply commissioning records for handover.
Do we need building regulations approval?
New or altered ventilation in non-domestic buildings usually forms part of the building control application for the works. We provide the design information and commissioning records needed.
What is the price of commercial ventilation in Seaham?
Guide prices for Seaham use North East rates: small office or shop: heat recovery unit, ductwork and controls (up to about 150 m²) is typically £7,300 to £15,600 + VAT per system. We confirm a fixed price in writing before any work starts.
Is the survey free in Seaham?
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.
Send your Seaham drawings and occupancy numbers for a design and price.
Commercial ventilation near Seaham
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