SPECIALIST CONTRACTORS SINCE 1979

Specialist Contractors

Founded in 1979, John Nicholson Ltd, has operated in the specialist sectors of the construction industry, particularly waterproofing, roofing, and specialised flat roofing, installing accredited long-term systems.

trust-mark goverment endorsed quality logo
member of the federation of small businesses
nqa quality management
safe contractor approved logo
federation of master builders

Being builders as well gives us a greater understanding of detailing at the waterproofing interface in addition to the ability to carry out related building tasks.

Reliable Service

CSCS Registered Workforce

Having a fully qualified and CSCS registered workforce, ISO 9001 Quality Assurance (since 1993), Safe Contractor and Trustmark accreditation, being a certified member of the Federation of Master Builders (FMB), and being on the approved list of many manufacturers, Local Authorities and prestigious organisations demonstrate reliability, longevity and a professional level of competence in the works that we undertake.

traditional roof with window
  • excavator (4)

    Construction

  • tools

    Repairs

  • brick (3)

    Maintenance

  • technical-support

    Service

flat roof
Surveys & Tests

General Maintenance

JNL also carries out contracted general and reactive maintenance for national and local organisations, Local Authority Grants (for disabled facilities, etc), insurance work, and small general buildings works. We also provide a survey, test, and diagnostic service.

Why Choose Us

We offer a range of services including gutter lining and waterproofing services of the highest standard. We can undertake both domestic and commercial projects. Contact us today!

  • Established for over 40yrs

  • Accredited ISO 9001 Company (since 1993)

  • In-depth specialised knowledge & experience

  • Professionally Qualified

  • Established for over 40yrs

  • Accredited ISO 9001 Company (since 1993)

  • In-depth specialised knowledge & experience

  • Professionally Qualified

  • Approved Installers of Alwitra, Bauder, Sto, Geberit

  • Trustmark Approved

  • Safe Contractor Registered

  • Fully Compliant & Insured

Contact Us

Get In Touch

From roofing services and rendering work to reactive maintenance to general building work, we have got you covered. Get In Touch Today