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  3. Investment Appraisal and Proposition Development Support

Investment Appraisal and Proposition Development Support

Kim Frater, founder of Bid Trawler
Written by Kim Frater
Former Public Sector Buyer • Founder of Bid Trawler • 40+ years' public sector experience
"I believe public procurement shouldn't be complicated. Every guide I write explains the process in plain English so you can bid with confidence."

2 minute read  •  Updated October 2026

A practical guide to understanding what the buyer really wants and how to build a winning response.

The real focus isn't just financial expertise

When I read this tender, what stood out was the need for integration.

York and North Yorkshire Combined Authority isn't just looking for financial advisors.

They're looking for a team that can seamlessly blend investment appraisal with proposition development.

It's about creating a coherent service that addresses both the Brownfield Housing Programme and the Regional Investment Framework.

This isn't just about numbers.

It's about creating strategies that align with regional goals.

Don't overlook the importance of a unified approach

Think about the word "multidisciplinary".

That's a key clue.

The buyer needs a supplier who can bring together different strands of expertise.

You'll need to show how your team operates as one cohesive unit.

How you plan to use a consistent core methodology across different programmes.

If I were evaluating bids, I'd be looking for evidence of past projects where you've successfully integrated multiple services.

Remember the local context

Yorkshire and The Humber.

It's not just a location.

It's a community with specific needs and aspirations.

Understanding the local economic landscape will be crucial.

I'd suggest highlighting any experience you have in the region.

Show how your knowledge of local issues can enhance your service delivery.

Evidence always carries more weight than promises

In my experience, buyers want proof.

Not just assurances.

If you've worked on similar projects, share the outcomes.

Use examples like:

  • Successful proposition development for regional programmes
  • Integrated appraisal services that met complex requirements
  • Client testimonials that speak to your ability to deliver

This isn't about telling them you're the best.

It's about showing them.

Pay attention to what they say

The documents mention the need for a "consistent core methodology".

That's vital.

It means they want a standardised approach across the board.

Your response should clearly outline your methodologies.

Explain how you'll maintain consistency, even when dealing with different programme elements.

One thing I'd keep reminding myself

Every tender is ultimately about people.

The people who'll benefit from the housing programmes.

The regional stakeholders invested in the outcomes.

Your submission should keep these people in mind.

Ask yourself how your service will improve their lives.

Show how you'll manage the entire contract term

Consistency over time is often overlooked.

But it's critical.

I'd want to see exactly how you'll ensure your team remains cohesive from start to finish.

Consider staffing plans, training programmes and performance reviews.

How will you handle leave and sickness to maintain service levels?

That's what the buyer will want to know.

Common mistakes

Avoid submissions that:

  • Focus solely on financial analysis without integration
  • Ignore the need for a unified team approach
  • Lack evidence of regional experience
  • Provide generic methodologies without detail
  • Overlook the importance of local economic context
  • Fail to address contract management and consistency
  • Assume promises will suffice without proof
  • Neglect the end-user perspective

My Final Thoughts

York and North Yorkshire Combined Authority is looking for more than just financial advice.

They're seeking a partner who can integrate investment appraisal with proposition development.

For a contract valued at £190,000 and running from November 2026 to June 2027, they need a supplier who can deliver a cohesive service throughout the term.

Quality isn't just about the numbers — it's about the impact.

And with this level of integration required, your written submission will need to clearly articulate how you plan to achieve that.

Thanks for reading.

I hope this guide has helped make public procurement feel a little less daunting. If it has, then it's done its job.

Kim
Founder, Bid Trawler

P.S. Got a question?

If you've got a question about anything you've read, or you're stuck on a tender, just send me an email.

Whether it's a quick question or you simply need pointing in the right direction, I'm always happy to help if I can.

kim@bidtrawler.com

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About our "How to Win This Contract" guides

Our guides are written using publicly available procurement information, including contract notices and published tender documents where available. They are designed to help suppliers understand the buyer's likely priorities and think more strategically about their approach. They are not based on any bidder's confidential submission, bespoke bid strategy or non-public procurement information.

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