Thames Valley Air Ambulance

Also known as: Thames Valley and Chiltern Air Ambulance Trust

The charity uses various fundraising methods to fund the operation of the Air Ambulance service covering Berkshire, Oxfordshire and Buckinghamshire.

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Activities & Mission

The charity uses various fundraising methods to fund the operation of the Air Ambulance service covering Berkshire, Oxfordshire and Buckinghamshire.

Areas of Operation

Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.

Show all 9 areas of operation

Local Authority

Bracknell Forest Buckinghamshire Milton Keynes Oxfordshire Reading Slough West Berkshire Windsor And Maidenhead Wokingham

Financial Information

Latest Income

£9,820,021

Latest Expenditure

£13,638,189

Financial Efficiency

Program Ratio 87.3%

% of income going directly to charitable activities

Higher than 40% of UK Charity and VCS support charities with income £1M to £10M (sample: 520). How is this calculated?

Overall Efficiency 62.8%

% of expenditure going to programs (vs overhead)

Higher than 11% of UK Charity and VCS support charities with income £1M to £10M. How is this calculated?

Administrative Ratio 39.4%

Overhead (fundraising + governance) as % of total expenditure

Lower overhead than 7% of UK Charity and VCS support charities with income £1M to £10M. (Lower overhead is generally read as more efficient.) How is this calculated?

Latest Financial Breakdown

Income Sources

Donations & Legacies £5,570,136

Charitable Activities £54,896

Other Trading £4,127,935

Investments £67,054

Other Income £0

Expenditure Categories

Charitable Expenditure £8,568,545

Raising Funds £5,069,644

Governance £309,156

Grants to Institutions £0

Other Expenditure £0

Financial Trend

Annual Returns

As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.

Financial Year	Income	Expenditure	Charitable Spending	Net Assets	Reserves	Staff
2025	£9,820,021	£13,638,189	£8,568,545	£12,645,786	£9,080,743	126 / 95
2024	£12,231,128	£12,249,335	£7,862,412	£16,251,773	£12,473,342	128 / 103
2023	£11,061,542	£11,422,628	£7,310,110	£15,765,373	£12,678,372	118 / 74
2022	£13,854,986	£14,946,400	£9,693,872	£16,460,285	£16,269,196	100 / 145
2020	£9,713,431	£9,020,321	£6,007,874	£16,698,641	£16,698,641	66 / 160

Staff column shows: Employees / Volunteers

Frequently asked questions about Thames Valley Air Ambulance

What does Thames Valley Air Ambulance do?

The charity uses various fundraising methods to fund the operation of the Air Ambulance service covering Berkshire, Oxfordshire and Buckinghamshire.

How much income did Thames Valley Air Ambulance report in 2025?

Thames Valley Air Ambulance reported total income of £9.82m and reported expenditure of £13.64m for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.

How efficient is Thames Valley Air Ambulance?

Thames Valley Air Ambulance has a program ratio of 87.3%, meaning that share of its income goes directly to charitable activities. This is higher than 40% of UK Charity and VCS support charities with income £1M to £10M (sample of 520 charities). See our methodology for how this is calculated.

When was Thames Valley Air Ambulance registered as a charity?

Thames Valley Air Ambulance was registered with the Charity Commission for England and Wales on 7 February 2001 as charity number 1084910. It has been registered for 25 years.

Who runs Thames Valley Air Ambulance?

Thames Valley Air Ambulance is governed by a board of 12 trustees. The chair of trustees is Christopher Ian Bannister. Trustees are legally responsible for the charity's governance and are listed in full on its profile.

Where does Thames Valley Air Ambulance operate?

Thames Valley Air Ambulance operates across 9 areas, including Bracknell Forest, Buckinghamshire, Milton Keynes and 6 others. The full list is shown on its profile.

Is Thames Valley Air Ambulance a registered charity?

Yes — Thames Valley Air Ambulance is a registered charity in England and Wales, charity number 1084910.