By Ben Kerrigan-
Chancellor of the Exchequer Rachel Reeves is facing mounting pressure from backbench MPs and fiscal watchdogs to explain how the government plans to manage a growing £6 billion annual cost associated with special educational needs and disabilities (SEND) support, a funding strain that threatens to destabilise broader public finances unless a credible strategy is articulated ahead of key fiscal events later this year.
The Treasury Select Committee, chaired by Labour MP Meg Hillier, has urged Reeves to provide clear reassurance to Parliament about how these escalating SEND costs will be financed and integrated into long-term budgeting.
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MPs from across parties are increasingly concerned that without transparent plans, confidence in the government’s fiscal stewardship could take a hit particularly given the Office for Budget Responsibility’s (OBR) warning that the SEND shortfall represents a significant financial risk that is currently unaccounted for in official spending envelopes.
At the heart of the debate is the projected scale of SEND spending, which could reach £6 billion a year a figure that could accumulate to roughly £18 billion by 2028-29 if left unchecked. The cost arises from rising demand for specialised support services for children with additional needs, with local authorities reporting mounting deficits that have, until now, been kept off government balance sheets through a statutory override arrangement.
To address historic overspending, the government announced earlier measures to write off up to 90 per cent of SEND-related debts incurred by councils up to March 2026, roughly estimated at £5 billion.
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But while this action provided temporary relief, it does not solve the fundamental challenge of funding rising costs in a sustainable way once the statutory accounting override ends in 2028-29, when SEND spending will have to be absorbed into departmental budgets and future spending reviews.
Concerns over the SEND funding shortfall come at a time when Reeves is already navigating a complex fiscal landscape shaped by significant tax rises and spending pressures.
In her Autumn Budget 2025, Reeves announced £26 billion in tax increases amid efforts to close gaps in the public finances, including measures such as freezing income tax thresholds and introducing new levies aimed at higher-value properties steps meant to shore up revenue amid economic headwinds.
However, critics have warned that even these measures may not be sufficient to bridge structural fiscal shortfalls. Economic commentators and think tanks have pointed to broader challenges, including weaker growth forecasts and rising welfare costs, which together could expose the government to a “black hole” in the public finances unless further action is taken.
Some commentators have speculated that Reeves may ultimately need to consider additional tax rises or equivalent fiscal measures to maintain stability, despite political sensitivities around such moves.
The urgency of these concerns was reflected in recent borrowing data, which showed that UK government borrowing was higher than expected in late 2025, intensifying pressure on the Chancellor as she prepares for forthcoming fiscal statements.
The Office for National Statistics (ONS) reported that borrowing in key months outstripped forecasts, adding to questions about the sustainability of current spending plans and the resilience of the public finances.
Against this backdrop, the Treasury has stressed the importance of sticking to the government’s self-imposed fiscal rules, which aim to balance the current budget over the medium term and ensure that net financial debt falls by the end of forecast periods.
Reeves has repeatedly emphasised her commitment to fiscal discipline as a cornerstone of economic policy, arguing that responsible budgeting provides necessary stability for families and businesses alike.
Still, for many MPs on both sides of the Commons, the lack of a dedicated funding strategy for SEND represents a glaring omission that must be addressed before Parliament can have confidence in the government’s wider financial roadmap.
Some backbenchers have voiced frustration that the substantial SEND cost, unless clearly reconciled with departmental budgets, could crowd out spending on other priorities or require difficult choices in future spending reviews.
The Treasury Select Committee is expected to hear from Reeves when she appears before MPs in March 2026, an appearance that is now shaping up as a crucial test of her ability to reassure lawmakers about the government’s fiscal standing.
Lawmakers are likely to press her on how rising SEND costs will be managed alongside other commitments in health, education and social care without undermining the government’s fiscal targets or prompting unpopular tax or spending decisions.
Broader Implications for Public Services and Trust
Beyond the immediate budgetary arithmetic, the SEND funding debate has broader implications for public services and political trust. Local authorities have long warned that deficits in SEND budgets are a symptom of deeper structural problems in how special educational needs support is funded and organised, with some councils forced to divert resources from other services or resort to emergency borrowing to cover deficits.
Labour MPs, many of whom supported Reeves’s broader fiscal strategy, have expressed unease that growing SEND costs could undermine core pledges on education and public services if not dealt with transparently. Opposition MPs have seized on the issue to argue that the government is failing to get a grip on key spending pressures, undermining confidence in its management of the national purse.
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