Window Cleaning Service

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 September 2026

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

Don't just clean windows. Ensure visibility.

The biggest insight in this tender is that it's not just about washing windows.

Bedford College wants clear, streak-free results that enhance the learning environment.

Yes, you’ll be cleaning windows across multiple campuses in Bedfordshire, Central Bedfordshire and Northamptonshire.

But the real aim is providing consistently excellent visibility for students and staff.

If I were evaluating bids, I'd be looking for how well you understand that.

Remember the focus on best value

The contract is valued at £200,000.

But remember, it's not just about the lowest price.

Bedford College is seeking "best value" and "transparent costing."

That means they’re looking for a balance between cost and quality.

I'd make sure my submission clearly outlines my pricing structure and how it represents value.

Pay attention to what they say

The buyer explicitly mentions "consistently excellent standards."

This isn't just a one-time clean.

You need to maintain high standards across the entire contract term.

I’d want to see a plan that covers:

• Regular cleaning schedules
• Quality control checks
• Staff training and development
• Feedback and improvement processes

Think about the people using the buildings

Every window you clean is part of someone's daily routine.

Students, teachers and staff all rely on clear views to enhance their experience.

I'd focus on how my service will contribute to a positive environment.

Show how you'll maintain consistency

A year is a long time.

And this contract can extend up to four years.

Consistency is key.

I'd want to see exactly what happens when someone calls in sick or goes on leave.

How will you ensure your team remains fully staffed and trained?

Evidence always beats promises

One thing I noticed when I worked in the public sector was that almost every bidder claimed to deliver excellent service.

Very few proved it.

If you have evidence, use it.

• Testimonials from past clients
• Case studies showing your work
• Examples of similar contracts successfully delivered
• Performance metrics or KPIs

Don't overlook the campus-specific needs

Each campus will have its own unique requirements.

Make sure you address how you’ll handle different building specifications and cleaning frequencies.

This isn’t a one-size-fits-all job.

Explain your approach to transparent costing

Bedford College wants transparent costing.

So explain your pricing structure clearly.

Break down costs and justify them.

That’s what I’d build my submission around.

Common mistakes

Avoid submissions that:

• Focus only on price, neglecting quality
• Fail to provide evidence of past performance
• Ignore the specific needs of each campus
• Lack a plan for maintaining standards over the contract term
• Don’t clearly explain the pricing structure
• Overlook the importance of staff training and development

My Final Thoughts

Bedford College is looking for more than just clean windows.

They want reliability, quality and value.

This contract, valued at £200,000, spans a year with options to extend to four.

Quality is paramount, and with a focus on best value, your written submission needs to convey both your service excellence and your transparent costing.