About from company website
Double L Ltd has been trading since 1975, initially focusing on all types of roofing refurbishment, renewal, and repair works. Over the years, the company has expanded its services to include fire protection and joinery. In 2012, they acquired Thundersley Joinery, enhancing their capabilities in producing high-specification timber products, including bespoke staircases.
The company emphasizes its family values and business acumen, alongside a commitment to developing its workforce, with a continuous effort to have apprentices in training. They offer comprehensive technical support to clients, providing sound information for decision-making and costings. Double L Ltd specializes in passive fire protection, which includes fire-resistant walls, floors, door sets, compartmentation, and fire screens.
Their roofing services cover flat and pitched roofs, lead works, and roof light installations. The joinery division offers bespoke timber products, windows, doors, and staircases.
Services
Works as
Sectors
Accreditations from company website
- National Federation of Roofing Contractors
- Competent Roofer Scheme
- Accredited Supplier for the provision of Passive Fire Protection
- ISO 9001
- ISO 45001
- Constructionline
- Acclaim - SSIP
- International Fire Certification Ltd
Clients mentioned from company website
commercial properties, social housing portfolios, municipal buildings.
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Questions about Double L Ltd from the record on this page
What does Double L Ltd do?
Double L Ltd are specialists in Fire Protection, Roofing & Joinery services, serving local authorities, housing associations and businesses. Their listed services include Fire protection, Roofing, Carpentry & joinery and Windows & doors.
Where is Double L Ltd based?
Double L Ltd is registered at Yard No 1, Imperial Park Estate, Rawreth Lane, SS6 9RS, in East of England.
What areas does Double L Ltd cover?
Double L Ltd states that it works across Essex.
How many people work at Double L Ltd?
Accounts filed for the year to 2026 report 7 employees, which places the company in the 1-9 employees band.
What is Double L Ltd's turnover?
Double L Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £540k and £1.4m. This is an estimate, not a filed figure.
Is Double L Ltd still trading?
Companies House lists Double L Ltd as active, with accounts most recently made up to 2026-04-30.
What accreditations does Double L Ltd hold?
Double L Ltd displays National Federation of Roofing Contractors, Competent Roofer Scheme, Accredited Supplier for the provision of Passive Fire Protection, ISO 9001, ISO 45001 and Constructionline on its website.
What sectors does Double L Ltd work in?
Double L Ltd works in Residential, Commercial and Public.
When was Double L Ltd established?
Double L Ltd was incorporated on 1984-03-06, though the company says it has traded since 1975.