Innovative PVCu extrusions
and creator of the Liniar brand

HL Plastics - an award winning firm

HL Plastics is an award-winning firm. Find out about our
latest awards here.


HL Plastics designs and manufactures the full Liniar product range which is available throughout the UK – find out more here

HL Plastics career opportunities

Visit our careers page to discover the latest job opportunities
at HL Plastics

HL Plastics - part of the Flamstead Group

Find out more about our sister company within the Flamstead Group, Wegoma Machinery Sales

Plastic Piling

Plastic piling is now under the Liniar brand,
find information and technical values here

Award winning manufacturing in the heart of the UK


Flamstead House

Designing and manufacturing lead-free PVCu products at its state of the art factory in Derbyshire, HL Plastics is part of the Flamstead Group of companies, which also includes Avantek Machinery.

Having won the inaugural Derby Telegraph Company of the Year and the Growing Business of the Year (mid-sized company) awards in 2014, HL Plastics is the creator of the Liniar brand, a range of PVCu products for home owners, the windows industry, the holiday home market and the construction industry.

The company is one of the Amber Valley’s largest employers and has a reputation for innovation, responsiveness and customer service. Trading since 1974, HL Plastics has grown substantially over the past five years in particular and continues to invest in new technology, machinery, training and development in order to sustain that growth.

Latest news

HL sponsorship boost for Ripley Town FC’s Under 12s

Ripley Town FC’s under 12s team have begun their campaign in Division 4 of the Young Elizabethan League and they will be proudly sporting one of the country’s most up-and-coming brands on their shirts for the next two seasons. Denby-based firm HL Plastics is the...

HL MD offering expansion opportunities for local companies

The man behind the success of local firm HL Plastics is creating valuable opportunities for businesses to expand in the Amber Valley region through multi-million pound acquisitions made by his property development company. Local entrepreneur Roger Hartshorn, known...

Recent awards

June 2014 Growing Business

Watch our short video

Find out more about HL Plastics, its growth and the design and production processes used to create products under the Liniar brand.



A division of Quanex Building Products