Linear infrastructure overbuild seminar

21 February 2023 , Transport for London, Victoria Station House, 8th Floor, 191 Victoria Street, SW1E 5NE Add to calendar

Join this in-person event hosted by Transport for London to launch Buildoffsite’s recent ‘Linear infrastructure overbuild guide’ and learn how using offsite solutions can contribute to this form of development.

Cities have an ever-increasing need for additional, good quality housing as they continue to grow. Greenfield sites are often almost non-existent within existing city boundaries, which means their brownfield and demolition sites are the norm for redevelopment projects.

In this context, where demolition or remedial costs can be significant, the possibility to embrace innovative infrastructure overbuild approaches becomes an exciting, new alternative – one which becomes even more attractive where the infrastructure corridor land is in quasi-public ownership.

Buildoffsite’s recently published Linear Infrastructure Overbuild Guide presents the broad solution to a truly golden opportunity for Housing-led Urban Regeneration. More specifically, it creates an ideal platform (literally) for designers, manufacturers and developers to demonstrate the benefits of DfMA, where traditional construction methods are unlikely to be feasible.

The guide sets out to demonstrate how using offsite solutions can contribute to this form of development. Inspired by WSP’s Out of Thin Air reports, it aims to do three things:

  • Make more potential sites viable, creating homes and offsite project opportunities.
  • Enable stakeholders to consider how to unlock more of this potential.
  • Help more developers and suppliers to be involved with infrastructure overbuild.

Hear first-hand from the guide’s editors and lead authors to explore the challenges, opportunities and benefits of offsite to overbuild, and gain insight and inspiration from other overbuild projects.

Buildoffsite is the voice of the offsite construction industry. For more information about membership, please contact Dirk Vennix.

Sponsorship opportunities
For information about sponsorship opportunities, please contact Susan Richards.

Why attend

  • Discover the linear infrastructure overbuild opportunity for cities and how offsite approaches are beneficial.
  • Understand the key commercial aspects to be considered when setting up an overbuild project and how some major projects have been managed.
  • Gain insight into the practicalities of creating sites above railways.
  • Be inspired by case studies of overbuild project from around the world.
  • Earn valuable CPD.

Who should attend

Planners, landowners, architects, designers, manufacturers and developers.


08:30 Registration and networking

09:00 Welcome
Alexandra Jezeph, Senior Property Development Manager, Commercial Development, Transport for London Property

09:10 Introduction and objectives
Dirk Vennix, Chief Executive, CIRIA and Buildoffsite

09:20 Examples of current overbuild projects
Jim Martin, Project Director for Major Multidisciplinary projects, WSP

09:40 Introducing the Linear infrastructure overbuild guide
Nigel Fraser, Industry Advisor, Buildoffsite

09:50 The challenge and housebuilding targets
Ivan Dowman, National Property Operations Interface Manag, Group Property – Development, Network Rail

10:20 The vision: place-making and architectural opportunities for MMC
Nick Hacking, Partner, Sheppard Robson

10:40 The benefits of offsite to overbuild
Civil engineering – creating the sites
Superstructure – buildings
Bill Price, Director, WSP
George Poppe, Associate Partner, Sheppard Robson

11:00 Networking break

11:20 Interactive discussions and Q&A

How do we make more sites attractive to developers?
Bill Price, Director, WSP

How offsite can help, particularly with respect to the civil engineering aspects
Daniel Richards, Associate Director, Project Management (Consultancy), Mace

How can the creation of sites be funded?
Nigel Fraser, Industry Advisor, Buildoffsite

Planning policy opportunities?
Nick Hacking, Partner, Sheppard Robson

How to approach whole life costing/carbon and structural health care
Nigel Fraser, Industry Advisor, Buildoffsite

12:20 Closing remarks

Additional Information

Buildoffsite members Free to attend (please complete and return the booking form to Charlotte Draper.)
CIRIA members Free to attend (register online)
Non-members £120 + VAT (register online)

If you are experiencing issues registering, please complete and return the booking form to Charlotte Draper.
Alternatively please contact us on 07933 181 765 or email our Customer Services team.

Joining instructions will be sent 10 days before the event. The link to attend the webinar is strictly personal and should not be shared.

Notice for new bookings from EU/EEA customers only.
Buildoffsite is currently unable to directly process your transaction if you are purchasing from the EU/EEA region. If you wish to book onto this event please email your request to and we will respond in the first instance.

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Further information
For further information on Buildoffsite membership and other services, please contact:
Telephone: 07933 181 765