---
title: "NEC4 Webinar No.10 - Contractor's proposals and X21 Whole Life Cost"
date: 2026-06-11T07:20:34Z
modified: 2026-06-11T07:20:37Z
permalink: "https://gmhplanning.co.uk/nec4-contractors-proposals-and-x21-whole-life-cost/"
type: post
status: publish
excerpt: ""
wpid: 8649
categories:
  - NEC4 Webinars
featured_image: "https://gmhplanning.co.uk/wp-content/uploads/2024/02/GMH-CECA-NEC-Bulletin-Member-Briefing.jpg"
featured_image_alt: Cover image for CECA NEC4 Bulletin CECA Member Briefings by GMH Planning Ltd
author: Glenn Hide
timestamp: 2026-06-11T07:20:37Z
tags:
  - NEC4 Webinars
---

The tenth webinar in this series is about Contractor’s proposals (value engineering) and X21 Whole Life Cost savings. Glenn Hide ([GMH Planning](https://gmhplanning.co.uk/wp-content/uploads/wp-mfa-exports/page/gmh-planning.md)), Ben Walker ([Gather](https://www.gatherinsights.com/)) and David Allen ([CECA](https://www.ceca.co.uk/)) review all aspects of these processes and how they should be understood/applied.

This webinar covers in detail:

- what is value engineering?
- Contractor’s proposals: clause 16
- Implications depending on main option A-E
- X21 Whole Life Cost
- How not to do it

## Topics

**Categories:** [NEC4 Webinars](https://gmhplanning.co.uk/wp-content/uploads/wp-mfa-exports/taxonomy/category/nec4-webinar.md)