Engineering-led heating solutions for London properties

Customer Information

Complaints Procedure

TJ VERTEX LTD aims to handle complaints fairly, promptly and with a clear written process.

Last updated: 17 July 2026

How to submit a complaint

Complaints may be submitted by email, telephone or post using the details on this page.

Information to include

  • Your full name and contact details.
  • The property address or enquiry reference, if available.
  • A clear explanation of the issue.
  • Relevant dates, documents or photographs where available.
  • The outcome you are seeking.

Acknowledgement process

TJ VERTEX LTD will aim to acknowledge a complaint and confirm that it is being reviewed. If further information is needed to understand the issue properly, that request will be made as part of the acknowledgement stage or shortly afterwards.

Investigation process

Complaints will be reviewed using the available information, which may include correspondence, notes, photographs, technical information, quotations or other relevant records.

Written response

A written response will be provided once the complaint has been investigated. That response will set out the outcome, any findings and, where appropriate, any next steps.

Record keeping

TJ VERTEX LTD may keep records of complaints and related correspondence for business administration, quality review and legal or regulatory reasons where applicable.

Fair and timely resolution

The aim is to resolve complaints fairly and within a reasonable timeframe, taking account of the nature of the issue, the information required and any relevant technical review.

Escalation details

Escalation details relating to any consumer-code membership or similar scheme will be updated only after the relevant membership or approval has been formally completed.