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Jake Ballantyne

How to Submit a Representation to HM Treasury for Autumn Budget 2025

HM Treasury has opened its representations portal for the Autumn Budget 2025, which will be delivered on 26 November 2025. Organisations have until 15 October to submit policy proposals to influence the UK Government’s fiscal priorities. With a challenging economic outlook, the Labour Chancellor is hoping to settle speculation and set out new pro-growth measures that can take effect ahead of the next General Election, expected in 2029.

Submitting a representation to HM Treasury is a valuable way for organisations to influence UK Government policy, shape Autumn Budget 2025 proposals.

Ahead of the deadline on 15 October 2025, Brevia has outlined guidance and top tips for submitting representations to the Treasury for the Autumn Budget 2025.

WHEN IS THE BUDGET 2025?

The Chancellor, Rt Hon Rachel Reeves MP, will deliver the Budget on 26 November 2025. The Chancellor’s statement will be accompanied by an economic and fiscal forecast from the Office for Budget Responsibility (OBR).

WHAT TO INCLUDE IN AN BUDGET REPRESENTATION?

The formal process enables organisations to comment on existing policy or make suggestions for new policy. HM Treasury states that policy suggestions contained in Budget 2025 representations should explain the policy rationale, costs, benefits and deliverability of the proposals and be evidence-based.

Critically, to maximise the prospect of suggestions being taken forward, representations should be:

  • Aligned to the Government’s objectives, such as:
    • Economic growth
    • Value for money
    • Employment and productivity
    • Regional impacts
    • Environmental sustainability
  • Clear and focused – avoid lengthy submissions
  • Supported by strategic engagement and public affairs activity

HOW TO SUBMIT A BUDGET REPRESENTATION?

  1. Online Portal (Recommended)

HM Treasury encourages the use of its Budget 2025 representation portal which can be accessed here:

https://www.smartsurvey.co.uk/s/6PEB2A/

  1. Email

However, representations can also be made via email using public.enquiries@hmtreasury.gov.uk or by post to:

  1. Post

The Correspondence and Enquiry Unit

HM Treasury

1 Horse Guards Road

London

SW1A 2HQ

WHEN IS THE BUDGET 2025 SUBMISSION DEADLINE?

HM Treasury’s deadline for Budget 2025 submissions is 23:59 on 15 October 2025

HOW BREVIA CONSULTING CAN HELP?

We work with clients to:

  • Develop compelling and strategic Budget representations
  • Align messaging with ministerial and departmental priorities
  • Execute wider public affairs campaigns around fiscal events

BREVIA CONSULTING PROVIDES STRAIGHTFORWARD POLITICAL ADVICE AND SUPPORT TO BUSINESSES AND ORGANISATIONS

Discover how Brevia can help you and your organisation by contacting the Brevia Team on 020 7091 1650 or contact@brevia.co.uk

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