Crownlea Group, est. London 1969 Privately Owned. Highly Ambitious.

We make, supply and deliver what keeps building sites safe across the UK and Europe: fencing and hoarding at the boundary, PPE for the people and protection for the floors.

  • Blok ’N’ Mesh mesh fencing on yellow feet and ground protection mats running the length of a new building
    Made Blok ’N’ Mesh fencing, barriers and ground protection
  • A Blok ’N’ Mesh MAN lorry in the company’s livery, parked by a field under a blue sky
    Delivered By Blok ’N’ Mesh’s own fleet of lorries
  • Hands pressing Protecta Screen tape along the joint between two sheets of floor protection board
    Protected Protecta Screen floor protection, taped down
1969
Established in London
23
Depots in five countries
2
Factories, Liverpool and Peterborough
2016
Queen’s Award for POLMIL fencing
Eurovia Kier Morgan Sindall Taylor Wimpey Wates BBC

Our businesses

Three Businesses.
One Building Site.

Each one protects a different part of the job, and each runs as its own business, with its own team and its own website.

A long run of white Blok ’N’ Mesh Go-Hoard curving along a city street

The boundary

Blok ’N’ Mesh

Temporary fencing, site hoarding, barriers and ground protection, made in its own factories and sold or hired direct.

  • Hire or buy, with installation
  • Over 160 vehicles of its own
  • ISO 14001 certified
bloknmesh.com
The Tiger Supplies team together on a lawn hung with bunting

The people

Tiger Supplies

PPE, workwear and site supplies for construction and civil engineering, run from our head office in Halstead.

  • Supplying sites since 2002
  • ISO 9001, 14001 and 45001
  • Next working day delivery
tiger-supplies.co.uk
Hands unrolling blue Protecta Screen carpet protection at the foot of a staircase

The floors

Protecta Screen

Temporary protection for floors, carpets, stairs and glass, so finished surfaces stay finished while the trades work.

  • Trading since 1994
  • Delivered in one to two working days
  • Board, film, fleece and dust screens
protectascreen.com

Blok ’N’ Mesh

Direct From
the Manufacturer.

Fence panels, barriers and hoarding are made in Blok ’N’ Mesh’s own factories in Liverpool and Peterborough, then delivered by its own fleet.

White Blok ’N’ Mesh hoarding and mesh gates around a site beside a car park entrance

Made each year

1,000,000+
temporary fencing panels
500,000+
pedestrian barriers
100,000+
site hoarding panels

Blok ’N’ Mesh’s own figures

Blok ’N’ Mesh hoarding and gates at a car park entrance
  • Blue Secure Hoard panels along a platform at Derby station
    Secure Hoard at Derby station
  • Teal Blok ’N’ Mesh hoarding and a mesh gate outside an M&S store
    Teal hoarding at an M&S store
  • A long run of white hoarding beside a football pitch under a blue sky
    White hoarding along a football pitch
  • Blue Acoustic Shield noise barrier running beside a road
    Acoustic Shield beside a road

Tiger Supplies on Trustpilot

Exactly as Described,
Delivered on Time.

What Tiger Supplies customers write after the delivery arrives.

4.2

TrustScore from 233 reviews

Read them on Trustpilot

“Speedy delivery, pleasant vanmen. All parts present and undamaged. Good value.”

Alfred, January 2026

“Easy to order, exactly as described and good price. Delivered on time too.”

Steve, October 2025

“Superb service and the product was excellent quality”

Anthony, January 2026

Sustainability

Serious Enough to
Buy a Recycling Plant.

Blok ’N’ Mesh’s own words: “We’re so serious about sustainability, we bought a recycling plant.” It will gladly show visitors round.

Cupped hands holding recycled plastic granules over a heap of them
Recycled plastic, ready to become new products
50 tonnes
of waste plastic recycled every day at Blok ’N’ Mesh’s own plant
12
product lines made from recycled materials
Zero
waste to landfill at Tiger Supplies
2021
Eurovia signs up for recycled-plastic hoarding after a trial at Vauxhall Bridge

Where we are

Never Far
From a Depot.

Head office in Halstead, factories in Liverpool and Peterborough, and 23 Blok ’N’ Mesh depots from Aberdeen to the south of France.

Map of the 23 Blok ’N’ Mesh depots in the UK, Ireland, the Netherlands, Germany and France, with the head office in Halstead and the factories in Liverpool and Peterborough
  • Head office, Halstead
  • Factory
  • Depot

United Kingdom 12

Aberdeen, Glasgow, Newcastle, Belfast, Barnsley, Knowsley, Birmingham, Milton Keynes, Harlow, Reading, Sittingbourne, Bridgwater

Ireland 3

Athy, the Curragh, Shannon

France 6

Roncq, Anzin-Saint-Aubin, Brétigny-sur-Orge, Saint-Jean-de-Braye, Pipriac and Saint-Gilles, run by Batisec

Netherlands and Germany 2

Breda, Nettetal

Careers

A Fantastic Place
to Build a Career.

Drivers, yard teams, depot managers and office roles across the group. These four are open now at Blok ’N’ Mesh.

The Tiger Supplies team in Christmas jumpers around a tree in the office
The Tiger Supplies team at Christmas
  • Assistant Depot Manager Reading £17 an hour
  • HIAB Driver, 18 tonne Witham £18 an hour
  • Driver, 3.5 tonne Witham £15 an hour
  • Yard Operative Witham £14 an hour

See the vacancies and apply or send your CV to careers@crownlea.com

Vacancies and pay as listed on bloknmesh.com on 13 November 2026.

Our story

Built Up Since
London, 1969.

From a hire centre in London to businesses trading in five countries, built through start-ups, acquisitions and new product lines.

  1. 1969 Crownlea is established in London.
  2. 1974 Crownlea Hire Centre, the group’s oldest company, is incorporated.
  3. 1994 Protecta Screen starts protecting floors and finishes.
  4. 2002 Blok ’N’ Mesh and Tiger Supplies are founded.
  5. 2007 Batisec starts securing building sites across France.
  6. 2012 POLMIL fencing is designed for the London Olympic Games.
  7. 2016 POLMIL wins the Queen’s Award for Enterprise: Innovation.
  8. 2023 Blok ’N’ Mesh launches a cement-free ballast block.
  9. Today Head office at The Bank, 36 High Street, Halstead.

Questions

Which Business
Do I Need?

Fencing, hoarding, barriers or ground protection: Blok ’N’ Mesh. PPE, workwear and site supplies: Tiger Supplies. Floors and finished surfaces: Protecta Screen.

Can I hire fencing as well as buy it?

Yes. Blok ’N’ Mesh sells and hires its fencing, hoarding and barriers direct from the manufacturer, and can install them for you.

Do you supply outside the UK?

Yes. Blok ’N’ Mesh has depots in Ireland, the Netherlands and Germany, and Batisec covers France from six sites.

Where is Crownlea based?

Our head office is The Bank, 36 High Street, Halstead, Essex CO9 2AP. The registered office is Leytonstone House, 3 Hanbury Drive, London E11 1GA.

How do I apply for a job?

Apply for the vacancies above on the Blok ’N’ Mesh website, or send your CV to careers@crownlea.com and tell us the kind of role you want.

Is Crownlea looking to grow?

Always. The group grows through start-ups, acquisitions and new product lines. If you own a business that could fit, tell us about it.

Talk to Crownlea

Start With
One Message.

Tell us what it’s about and it goes straight to the right business.

Head office
The Bank, 36 High Street, Halstead, Essex CO9 2AP

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