Swap rates and fixed-rate pricing
The connection between political uncertainty and fixed-rate mortgage pricing runs through the gilt and swap markets. When Burnham’s candidacy became serious in May, the 10-year gilt yield hit 5.137% – its highest level since 2008 – while 30-year gilt yields rose above 5.8%, a level last seen in 1998. Fixed-rate mortgage pricing is closely tied to swap rates, which in turn track long-dated gilt yields. That move was a preview of what a prolonged leadership transition could mean for rate sheets.
Burnham has pledged to maintain current fiscal rules, and yields settled back following his by-election win. The 10-year gilt stood at approximately 4.85% on Monday morning ahead of Starmer’s statement. But with public borrowing already running above OBR forecasts, how durable that fiscal pledge proves once a new government faces the full cost of its programme will determine whether swap rates hold or push higher. Brokers should watch rate sheets closely this week and flag to clients approaching the end of fixed deals that the window for locking in may be time-sensitive.
Stamp duty, property tax and transaction volumes
The policy change with the most direct structural impact on broker business is Burnham’s backing for proportional property tax reform. Under proposals supported by the Fairer Share campaign group, stamp duty and council tax would be abolished and replaced by an annual levy of 0.48% of the current assessed value of the property, with second homes, foreign owners and empty properties paying a higher rate of 0.96%.
The positive case for brokers is significant: abolishing stamp duty removes a transaction barrier that currently costs buyers thousands on completion and causes chains to collapse. A higher-volume transaction market benefits brokers whose origination depends on purchase activity. The flip side, as Knight Frank’s head of UK residential research Tom Bill has noted, is that annual revaluations would turn house price growth into a recurring tax liability – a psychological shift that is likely to affect decision-making in higher-value markets, particularly in London and the south-east where the annual charge would be a proportionately larger share of household income.
The stamp duty angle also has an immediate practical implication. Clients who have been holding off on a purchase partly because of stamp duty costs may want to revisit their position – but brokers should caution that any reform requires legislation and a general election could intervene before it lands.