Are you leaving 25% of eligible donations on the table?
Charity trustees spend enormous amounts of time thinking about how to bring more money in. You may be applying for grants, organising fundraising events, approaching businesses, running campaigns and asking supporters to donate.
But sometimes the easiest way to increase charity income is not to find another donor.
It is to make more of the eligible donations your charity already receives.
Through Gift Aid, an eligible charity or Community Amateur Sports Club (CASC) can claim an extra 25p for every £1 donated by an eligible individual. A qualifying £100 donation could therefore be worth £125 to your organisation, without the donor paying another penny.
Yet Gift Aid can quietly fall down the priority list. Declarations are not collected. Claims get delayed. Historic donations are forgotten. Nobody compares donations received with Gift Aid actually recovered.
In 2026, when charities are under pressure to make every pound work harder, that is worth fixing.
The Income Opportunity Many Charity Trustees Overlook
Fundraising naturally focuses on bringing new money into an organisation.
But before asking, “How do we find more donors?”, trustees should also ask:
“Are we maximising the donations we already receive?”
How Gift Aid Turns £1 Into £1.25
The principle is straightforward.
Where an eligible individual donates £1 under Gift Aid, the charity or CASC can claim an additional 25p from HMRC.
So, assuming all relevant donations qualify:
| Eligible donations | Potential Gift Aid | Total value |
|---|---|---|
| £1,000 | £250 | £1,250 |
| £5,000 | £1,250 | £6,250 |
| £10,000 | £2,500 | £12,500 |
| £40,000 | £10,000 | £50,000 |
These examples illustrate the standard 25p-per-£1 mechanism; an actual claim depends on the organisation, donor and donation meeting the Gift Aid conditions.
For a small charity, another £2,500 could fund equipment, activities or running costs. For a larger organisation, improving Gift Aid processes across thousands of donations could have an even greater impact.
Why Gift Aid Gets Forgotten
Gift Aid is easy to understand in principle. Managing it consistently can be harder.
Perhaps the volunteer who used to prepare claims has left. Maybe online donations and bank transfers are recorded in different places. Perhaps declarations are sitting in paper files while donation information is held in a spreadsheet.
Sometimes nobody has clear responsibility for checking whether every eligible donation makes it from donation received to Gift Aid claimed.
That is how income can slip through the gaps.
Is Your Charity Claiming All the Gift Aid It Could?
Do not assume that because your charity makes Gift Aid claims, it is maximising Gift Aid.
A simple review can reveal a great deal.
Compare Eligible Donations With Claims Submitted
Start with your donation records.
Look at donations received and identify those that may qualify for Gift Aid. Then compare those records with the claims your organisation actually submitted.
You are looking for unexplained gaps.
Not every donation qualifies. For example, HMRC excludes certain payments, including donations from limited companies, Payroll Giving and payments for goods or services. Special rules also apply in areas such as membership fees, sponsored events and charity admissions.
The objective is therefore not to claim Gift Aid on everything. It is to identify eligible donations that should have been claimed but were not.
Look for Missing Gift Aid Declarations
For an ordinary Gift Aid claim, the donor must provide a Gift Aid declaration giving the organisation permission to claim.
The donor must also have paid sufficient UK Income Tax or Capital Gains Tax to cover the Gift Aid being claimed on their donations.
This is why declaration management matters.
A supporter may happily donate for years, but without the necessary declaration, your charity cannot simply treat those donations as qualifying Gift Aid donations.
Review Historic Donations
Do not limit the review to this year’s fundraising.
HMRC says a Gift Aid claim generally needs to be made within four years of the end of the financial period in which the donation was received. The relevant financial period depends on how the organisation is structured.
That makes old donation records worth examining.
A charity that discovers missed eligible donations should establish the applicable deadline rather than assuming the opportunity has disappeared—or that it can wait indefinitely.
Before You Claim: Is Your Charity Registered With HMRC?
Being registered with a charity regulator and being recognised by HMRC for tax purposes are not the same thing.
To benefit from charity tax reliefs such as Gift Aid, a charity needs HMRC recognition. HMRC’s criteria include being established for charitable purposes, being based in the UK, satisfying relevant registration requirements and being run by fit and proper persons.
Eligible CASCs can also claim Gift Aid where the relevant requirements are met.
What Might You Need for HMRC Registration?
HMRC’s current registration process asks for information including the charity’s:
- bank details and financial accounts;
- details of officials;
- regulator registration number, where applicable;
- charitable objectives; and
- governing document.
Getting the foundations right matters because Gift Aid should not be treated as a claim first, paperwork later exercise.
Once recognised and appropriately set up, charities and CASCs can use HMRC’s online services to make Gift Aid claims.
The Gift Aid Declaration: A Small Detail That Can Cost Your Charity Money
The declaration is one of the most important pieces of the Gift Aid process.
It provides the donor’s authority for your organisation to claim.
Declarations can cover current and future donations and, where the requirements are satisfied, donations made during the previous four years. Donors should also tell charities about tax years in which they have not paid sufficient tax to cover the Gift Aid claimed.
That means your process should make Gift Aid visible without making giving unnecessarily difficult.
Include appropriate Gift Aid prompts in relevant online donation journeys. Train fundraising staff and volunteers to understand why declarations matter. Keep declaration records connected to the underlying donor and donation information.
HMRC provides declaration templates, which can be useful when reviewing your current process.
Are You Ignoring the Gift Aid Small Donations Scheme Too?
Gift Aid is not the only area trustees should review.
Your charity or CASC may also be eligible for the Gift Aid Small Donations Scheme (GASDS).
Under current rules, eligible organisations may claim a 25% top-up on qualifying cash donations of £30 or less and qualifying contactless donations of £30 or less. Unlike ordinary Gift Aid, an individual Gift Aid declaration is not required for these small donations.
This can be particularly relevant where your organisation receives small donations through collections or other eligible fundraising activity.
There are, however, specific eligibility rules, a matching rule and limits. HMRC’s guidance states that the general small-donations limit is £8,000 per tax year, which can produce a maximum £2,000 top-up in the standard case, although community-building and connected-charity rules can affect the position.
So GASDS is not simply “Gift Aid without declarations”.
It is a separate scheme with its own conditions.
Five Practical Ways to Increase Charity Income Through Gift Aid in 2026
Improving Gift Aid does not necessarily require a complicated new system. Start by making it part of normal charity financial management.
1. Make Gift Aid Part of the Donation Journey
When a donation could qualify, make the Gift Aid opportunity clear.
A donor who never sees the option cannot complete a declaration.
2. Make Declarations Easy to Manage
Whether declarations are collected electronically, on paper or through another permitted process, your charity needs reliable evidence.
Avoid a system where declarations exist but nobody can easily match them to donations.
3. Reconcile Donations With Claims
Periodically compare:
Donations → eligibility → declarations → Gift Aid claims → HMRC receipts
This can reveal donations that have been overlooked and claims that have not progressed as expected.
4. Review Gift Aid Throughout the Year
Gift Aid should not only become important when the charity needs cash.
Regular reviews make problems easier to identify and correct.
5. Give Someone Clear Responsibility
Someone should know who prepares the claim, who reviews it and where the evidence is kept.
Delegation is useful. Lack of ownership is not.
Gift Aid Record-Keeping: More Income Must Not Mean More Risk
The goal is not to claim the largest possible number.
It is to claim the correct amount your organisation is entitled to receive.
That requires records.
Your organisation should be able to connect a Gift Aid claim to the underlying donations and declarations supporting it.
HMRC also has specific record-keeping requirements. Its declaration guidance says CASCs, charitable trusts and most charities generally need to retain declaration records for six years from the end of the accounting period to which they relate, with particular rules for enduring declarations and ongoing HMRC enquiries.
For GASDS, charities should record information including collection totals and dates, with additional records required in some circumstances.
Good records are therefore not bureaucracy for bureaucracy’s sake.
They help protect the funding you claim.
Why Gift Aid Should Be Part of Your Charity’s 2026 Funding Strategy
Gift Aid should sit alongside grants, fundraising campaigns, regular giving and other income planning.
Suppose your trustees are discussing how to raise another £10,000 this year.
Before launching another campaign, it is worth asking:
Are we already missing legitimate income from donations we have received?
That does not mean Gift Aid replaces fundraising. It means the charity maximises existing eligible income before overlooking it in the pursuit of new income.
Build Gift Aid into your financial calendar.
Review claims regularly. Reconcile them with bookkeeping records. Review donor declarations. Consider GASDS where relevant. Check historic periods before deadlines expire.
Small improvements repeated every year can make a significant difference.
Why Choose KG Accountants for Gift Aid Support?
Gift Aid sits at the intersection of fundraising, tax, bookkeeping, records and charity governance.
That is why specialist support can be valuable.
KG Accountants specialises in supporting registered charities and Community Amateur Sports Clubs (CASCs) in the UK, backed by over 100 years of collective experience.
We can help organisations review how Gift Aid is currently managed, identify potential gaps, strengthen record-keeping and support the registration and claims process.
HMRC Registration Support
Where your organisation needs to establish the correct HMRC position, we can help you understand the information required and work through the process.
Gift Aid Claims and Reviews
Already claiming?
That does not necessarily mean there is nothing to improve.
Reviewing historic donations, declarations, previous submissions and bookkeeping records can help establish whether eligible income has been missed and whether current processes are working effectively.
Ongoing Charity Finance Support
Gift Aid does not operate in isolation.
Accurate bookkeeping supports better claims. Good accounts improve financial oversight. Clear processes help trustees understand what has been claimed and what still needs attention.
Having specialist charity finance support can bring those areas together instead of treating Gift Aid as a once-a-year administrative job.
Frequently Asked Questions About Increasing Charity Income With Gift Aid
How much extra can a charity receive through Gift Aid?
Under the standard Gift Aid mechanism, eligible charities and CASCs can claim 25p for every qualifying £1 donated by an eligible individual.
How far back can a charity claim missed Gift Aid?
HMRC generally requires Gift Aid claims to be made within four years of the end of the financial period in which the donation was received. The relevant period depends on the organisation’s structure.
Does every donor qualify for Gift Aid?
No. Among other requirements, the donor needs to have paid sufficient UK Income Tax or Capital Gains Tax to cover the Gift Aid claimed, and the donation itself must qualify.
Can charities claim Gift Aid without a donor declaration?
Ordinary Gift Aid generally requires a donor declaration. GASDS is different: qualifying small cash and contactless donations may be eligible for a top-up without individual declarations where the scheme’s conditions are met.
Can CASCs claim Gift Aid?
Yes. HMRC allows qualifying CASCs to claim Gift Aid on eligible donations, provided the relevant requirements are met.
How We Can Help
Your charity may not need another fundraising campaign to find its next source of income.
It may simply need to check whether it is making full and compliant use of Gift Aid on the donations supporters are already making.
Whether you need help with HMRC registration, Gift Aid claims, historic reviews, GASDS, record-keeping or your ongoing charity finances, KG Accountants can help you understand where you stand and what needs to happen next.
How we can help! Call us today on 0207 078 7477 or complete our enquiry form in order to book a FREE initial consultation.