Expert Witness Service for Fenestration Disputes

Get expert advice on domestic window and door installation disputes

When a dispute between an installation company and a homeowner cannot be settled, specialist expert advice and reporting can be the best way forward.

We can act as a single joint expert or as a party-appointed expert and produce a high-quality report in line with the Civil Procedure Rules for expert witnesses.

Window and door installation specialists
Party appointed expert
Single joint expert
CPR 35 compliant reports

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Our areas of expertise

Domestic window and door installations

Building regulation compliance inspections

British Standard 8213-4

Specification disputes

The RISA team are specialists in domestic window installations and can draw upon the resources and expertise of the entire GGF Group for the benefit of our clients.

Need Expert Witness assistance?

Contact us today to discuss how our fenestration experts can help you. Call us on 0207 939 9300 or email expertwitness@risaltd.co.uk

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About Us

Rushworth Inspection Services And Auditing Limited is a registered business in England & Wales with registration number 05332186. The company's registered office address is 40 Rushworth Street, London SE1 0RB. The company is VAT registered with VAT number 991272205. Rushworth Inspection Services And Auditing Limited is a member of the Glass & Glazing Trade Federation.

RISA is a UKAS accredited Inspection Body No. 9888 that carries out the inspection of the installation of replacement Windows Doors and Rooflights, which incorporate the relevant requirements of the Building Regulations and the FENSA Scheme requirements FENSA Validation. We also provide independent and impartial inspection services to the UK fenestration and construction industries. We can help you gain a competitive advantage in quality and compliance.