Fire Protection System

An Armstrong Priestley fire protection system will save lives and prevent property damage in the event of a fire. We are experts in fire suppression systems with clients in residential properties, business premises and commercial buildings.

Armstrong Priestley is a UK market leader in sprinkler system design, fabrication, and installation. Our fire sprinkler systems are bespoke, each designed according to the client’s requirements. They ensure optimum fire safety for building occupants and the protection of valuable assets.

Sprinkler Systems for Property Owners

Sprinkler systems are a cost-effective way to ensure fire safety in all buildings and are used worldwide.


Armstrong Priestley teams work nationwide with property owners across all sectors. We have fitted automatic sprinklers in high-rise buildings, data centres, large and small retail units, and a range of public and commercial buildings. Our work encompasses new builds, including new schools, and retrofitting sprinkler systems into older properties being refurbished or repurposed.


Our fire suppression systems comply with all standards and building regulations, including BS9251:2021.

How are sprinkler systems activated?

We provide a range of automatic fire suppression systems based on sprinkler heads. None require human activation; they are triggered when the sprinkler head detects that the surrounding air has reached a predetermined heat level.

Different types of automatic sprinklers for fire safety on all premises

Different environments require different fire suppression agents.


Our sprinkler systems can be designed to use any of the following:


  • Inert gas
  • Chemical gas
  • Aerosol foam
  • Water mist
  • Carbon dioxide

Water mist systems are commonly installed in residential buildings, but in some contexts, water damage can significantly compound fire damage and cause extended business interruption.


On the other hand, some highly effective fire suppression agents are dangerous for building occupants.


We have decades of experience and can advise you on the best fire suppression system to protect lives and your valuable business assets.



Armstrong Priestley Fire Suppression Systems

Armstrong Priestley offers highly professional design, fabrication and installation. We offer a full spectrum of services with rigorous quality control.

Building Assessment: All our fire suppression systems are bespoke, so we will do a fire safety survey of your building and advise you on which type of fire sprinkler system will provide maximum fire protection. The survey team will also advise on the number of sprinklers required and their location.

Our advice will vary depending on whether there are building occupants, the nature of your business, and the assets you need to protect from fire damage.

Water supply testing: Many of our clients choose sprinkler systems which require adequate water pressure to work effectively. Therefore, we will check that your water distribution piping system is adequate for this purpose.  

Bespoke Design: Our designers use the information gathered at the on-site assessment to design sprinkler systems that are fine-tuned to each customer’s requirements. All our design team members are fully accredited and LPC and FIRAS certified. 

Manufacture of fire sprinkler systems: We make our own sprinklers at our workshop in West Yorkshire. The fabrication team liaises closely with the design team to ensure the quality of your sprinkler system. The finished product is transported to our network of regional offices by our own delivery fleet.

Installation: Our highly experienced installers work on a wide range of products of all sizes and budgets. Their expertise will ensure that your fire suppression system is fitted perfectly and operates to give maximum fire protection if a fire breaks out.

Maintaining your fire suppression system

Many of our customers use our flexible and cost-effective service and maintenance packages. Regular maintenance ensures that fire suppression systems deliver peak performance when required.


Armstrong Priestley customers can be completely confident that their fire protection is in the best hands possible.

Why choose Armstrong Priestley for your fire protection?

We are a leader in the UK fire safety market because of our decades of experience and our commitment to quality and customer service.


Our highly trained teams will ensure you have the best sprinkler system for your building. It will be supplied in good times and fitted with minimum business interruption.



Next steps

You can contact the nearest regional team or complete our online form here.

Our Regional Offices

Leeds Head Office

Seventy Seven
Holbeck Lane
West Yorkshire
LS11 9UL

Call 0113 394 4040

The North East Office 

One Trinity Green
Eldon Street
South Shields
NE33 1SA

Tel 0191 206 9085

The North West Office

Suite 7
Wilsons Park
Monsall Rd
Greater Manchester M40 8WN 

Tel 0113 394 4040

The South East Office

Unit 9, Church Farm
ME17 1DN

Tel 0203 4345570

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