THAMES21 LIMITED

Registered charity 1103997 · accounts filings on the Charity Commission register

Thames21 is an environmental charity that restores rivers across London and the Thames Basin to tackle the climate and biodiversity crisis, inspiring communities to enjoy, speak up for and look after them over the long term.

Causes: General Charitable Purposes · Education/training · Arts/culture/heritage/science · Animals · Environment/conservation/heritage · Economic/community Development/employment · website · Get email alerts

Latest income
£3.2m
Latest spending
£3.3m
Registered
2004
Accounts read
FY2025

Financial health, per its FY2025 accounts

The accounts state that the charity reported a net deficit of £140,251 for the year, resulting in a decrease in total reserves from £860,886 to £720,635. Despite this deficit, the trustees confirm that free reserves of £421,049 remain sufficient to meet the stated policy target of six months' operational expenses, and the going concern basis remains appropriate.

Automated summary of the FY2025 accounts; the evidenced findings below carry the verbatim passages.

What the accounts disclose

Highest-paid employee band: £80,001 - £90,000 — above the median for charities its size (£70k)
“One employee received remuneration of between £80,000 - £90,000 during the year”
Per its FY2025 accounts as filed with the Charity Commission.
Employees paid over £60,000: 1
“One employee received remuneration of between £80,000 - £90,000 during the year”
Per its FY2025 accounts as filed with the Charity Commission.
Reserves policy: six months' essential operating costs (held: £421k)
“The trustees believe that the level of free reserves should be the equivalent of six months’ essential operating costs.” — page 19
Per its FY2025 accounts as filed with the Charity Commission.
Pension scheme deficit: £19k
“Thames 21 has a provision of £18,674 for the recovery plan in the financial statements at the 31 March 2025”
Per its FY2025 accounts as filed with the Charity Commission.

Accounts audited by Price Bailey LLP. Discloses 6 of 6 completeness components.

Public fundraising profile: JustGiving — Thames21 (matched by registered charity number).

Funders the charity credits

Named as funders/supporters on the charity’s own website (the charity’s claim, distinct from accounts-verified grants).

Public profiles (found on the charity’s own website): facebook · instagram

Structured financials (annual return, FY ending 31/03/2025)

Total income
£3.2m
Total spending
£3.3m
Cost of raising funds
£196k
Reserves (reported)
£421k
Employees
49

Reported reserves equal ~1.5 months of spending — in the bottom quarter for charities its size (median 4.8 months; benchmarks).

Per its annual return, largest income source: Charitable activities (78% of income) — components as reported reconcile to the return’s total income; not from the accounts narrative.

Per its annual return, cost of raising funds: 6.2% of total income — above the median for charities its size (5.2%) (benchmarks).

Trustees · trustee networks

Trustee list from the Charity Commission register (current, not historical).

Operates in: Throughout England

Income and spending

Financial year endIncomeSpending
31/03/2025£3.2m£3.3m
31/03/2024£3.0m£3.1m
31/03/2023£2.5m£2.1m
31/03/2022£2.3m£1.8m
31/03/2021£1.1m£1.1m

Common questions

Is THAMES21 LIMITED financially healthy?

Per its FY2025 accounts: The accounts state that the charity reported a net deficit of £140,251 for the year, resulting in a decrease in total reserves from £860,886 to £720,635. Despite this deficit, the trustees confirm that free reserves of £421,049 remain sufficient to meet the stated policy target of six months' operational expenses, and the going concern basis remains appropriate. Its FY2025 accounts were audited by Price Bailey LLP.

What does the highest-paid employee of THAMES21 LIMITED earn?

Per its FY2025 accounts, the highest-paid employee was in the £80,001 - £90,000 band, and 1 employees earned over £60,000.

Who funds THAMES21 LIMITED?

Funders whose own accounts filings name THAMES21 LIMITED as a grant recipient include THE OCTOPUS FOUNDATION, KUSUMA TRUST UK, FISHMONGERS' COMPANY'S CHARITABLE TRUST.

Known funders

Grants to this charity found in funders’ own accounts filings.

FunderYearAmountPurpose (as stated by the funder)
THE OCTOPUS FOUNDATIONFY2022£213k
KUSUMA TRUST UKFY2024£100kThames21-ReWilding the Rom
KUSUMA TRUST UKFY2023£100kThames21-ReWilding the Rom
FISHMONGERS' COMPANY'S CHARITABLE TRUSTFY2023£10kFisheries grants

Government & lottery funding

Grants to this charity published as open data by government and lottery funders (360Giving).

FunderDateAmountPurpose
The National Lottery Community Fund12/02/2026£354kTogether Thames
City Bridge Foundation10/03/2025£59kGrant to Thames21
City Bridge Foundation31/05/2024£4kGrant to Thames21
The National Lottery Heritage Fund05/12/2023£1.7m"The Roding Rises"
ARCADIA06/08/2023£1.8mTowards the Empower Rivers programme
ARCADIA09/01/2023£8kTowards development work for a new programme to improve London's rivers and wetlands
City Bridge Foundation01/08/2022£175kGrant to Thames21
Greater London Authority11/12/2021£65kGrant to Thames21
The National Lottery Community Fund02/06/2021£83kPlastics Action: Strategy for a Step Change in Community Participation to reduce
UK government01/04/2021£8kWEIF7701-2122 - Thame and South Chilterns - Catchment Host Funding
UK government01/04/2021£8kWEIF3506-2122 - London - Ravensbourne - Catchment Host Funding
UK government01/04/2021£4kWEIF3508-2122 - London - Lower Lea South - Catchment Host Funding
UK government01/04/2021£15kWEIF5701-2122 - Roding, Beam & Ingrebourne - Catchment Host Funding
UK government01/04/2021£8kWEIF3504-2122 - London - Brent - Catchment Host Funding
UK government01/04/2021£25kPGW0814-CF1354 - Unblocking the burnt Oak
UK government01/04/2021£18kPGW0629-CF1541 - Glassmill Restoration( 2021-£15K, 2122-£34K, 2223-£50K)
UK government01/04/2021£5kPGW0794-CF1545 - Quaggy Links Habitats & Natural heritage 2122-5k,2223-23.4k,2324-15k
UK government01/04/2021£17kPGW0824-CF1546 - Canal Restoration -2122-2324 17k each year
UK government01/04/2021£8kWEIF3505-2122 - London - Marsh Dykes (Woolwich) - Catchment Host Funding
UK government01/04/2021£15kWEIF7801-2122 - Thames TraC - Catchment Host Funding
UK government01/04/2021£25kPGW0813-CF1353 - Enfield Lock Floating Reedbeds
UK government01/04/2021£15kWEIF4001-2122 - Maidenhead to Teddington - Catchment Host Funding
UK government25/11/2020£509kGRCF2020 Restoring Enfields Rivers and Connecting Communities
UK government25/11/2020£446kGRCF2020 Restoring Enfields Rivers and Connecting Communities
City Bridge Foundation04/08/2020£52kGrant to Thames21

Funders of similar charities

Funders whose accounts show grants to charities similar to this one (and no recorded grant to this charity) — a starting list for fundraisers.

Charities like this

Semantically similar by activities and financial character, from our analysed corpus. Compare with THAMES RIVERS TRUST.

Side by side with its peers

CharityIncomeTop pay bandStaff >£60kReserves vs policyFundraising costGoing concern
THAMES21 LIMITED£3.2m£80,001 - £90,0001above—no doubt
THAMES RIVERS TRUST FY2025£136k—0unclear—no doubt
THE THAMES FESTIVAL TRUST FY2025£452k£60,001 - £70,0001unclear—no doubt
THAMES REACH CHARITY FY2025£32.7m——above—no doubt
E L M V SHADWELL BASIN PROJECT FY2025£311k—0above—no doubt
THAMES FOUNDATION FY2024£368k—0unclear—no doubt

Each row is that charity’s latest analysed filing; every value is quote-backed on its own page.