BLOGS

The regional BTR pipeline is emptying out faster than London's

For years, the build-to-rent story outside London was one of the sector's biggest wins: capital that once concentrated almost exclusively in the capital fanned out to Manchester, Birmingham, Leeds and dozens of smaller cities, chasing yield and tenant demand that London increasingly couldn't satisfy. That narrative has been upended.

Figures prepared by Savills for Real Estate:UK show new build-to-rent starts outside London fell 84% in the year to June 2026, from 13,893 homes to just 2,176. That's a steeper collapse than London itself, where the drop was around 27% for homes currently under construction. Nationally, starts are down 79% year-on-year, and total homes under construction have fallen 21%.

This isn't the first warning sign. British Property Federation and Savills data for calendar year 2025 already showed regional BTR starts down 37% (from 12,781 to 8,063 units) even as London's collapse grabbed most of the headlines with an 80% fall. The trajectory has only worsened since. As Danny Pinder, Director at Real Estate:UK, put it: "the sharpest decline in starts is within the regions is yet further evidence of the fact that, in most parts of the country, it is now unviable to bring forward new schemes despite strong underlying tenant demand."

That last point is the crux of the story. This isn't a demand problem. It's a viability problem.

Why regional schemes are falling over: costs, financing and a shrinking margin for error

Three forces are compressing regional BTR viability simultaneously, and none of them are new — they've just stacked up faster than land values and rents have been able to absorb.

Build cost inflation hasn't reversed, even as it's slowed. BCIS All-in Tender Price Index data shows tender price inflation running at 2.3% in the year to Q1 2025, with materials and labour costs both rising, and construction wages growing around 7.1% annually — well above the 5.3% economy-wide average. The Home Builders Federation has separately calculated that new taxes and policy costs (including the incoming Building Safety Levy) have added roughly £76,000 to the cost of building a new home nationally, against an average new-build value of around £365,000. For BTR schemes underwritten on 2021–2022 cost assumptions, that gap alone can flip a scheme from viable to marginal.

Financing has become more selective, not just more expensive. Development finance providers are now lending at broadly 65–70% loan-to-GDV for well-structured residential schemes, but with markedly more scrutiny on exit strategy and sponsor track record. Lenders are differentiating hard between locations: schemes in areas with proven rental absorption are still getting funded, while speculative regional sites in softer markets are facing tougher terms or rejection outright. That's a meaningful shift from a market where regional BTR was, until recently, treated as a relatively homogenous asset class by capital.

Regulatory friction has spread beyond London's high-rise stock. Building Safety Regulator gateway delays were originally seen as a London problem tied to buildings over 18 metres, but Gateway 2 approval periods exceeding 40 weeks are now adding roughly 12 months to development timelines across the country, straining fixed-price contracts and creating friction with funders wherever schemes fall into scope.

Put together, REalyse planning and comparables data suggests the schemes still breaking ground are disproportionately those with the strongest underlying fundamentals — established rental demand, tighter unit costs per square foot, and sponsors with balance sheets able to absorb financing delays. Marginal sites, by contrast, are simply not being pulled off the shelf.

The paradox: consented pipeline keeps growing while starts keep falling

What makes this reset unusual is that it's happening against a backdrop of rising planning consent, not planning refusal. BTR units with detailed planning permission rose 17% year-on-year to over 67,300, and the total BTR pipeline (in planning or under construction) stands at roughly 227,400 homes nationally, against 146,700 already completed. The number of local authorities with an active BTR pipeline has widened to around 220 — geographically, the sector has never been more dispersed.

The bottleneck isn't getting permission. It's converting permission into a start on site. Detailed applications were down 21% quarter-on-quarter even as the overall consented pipeline grew, and completions have now outpaced starts for eight consecutive quarters — a sign of pipeline exhaustion rather than pipeline creation. Guy Whittaker, Head of UK Build to Rent Research at Savills, has described the priority now as converting planning permissions into delivery, rather than generating more of them.

For lenders and investors reading comparables and viability data across regional markets, this creates a genuine dispersion opportunity. REalyse data continues to show gross yields of 6–7% in cities such as Manchester, Leeds and Birmingham, against roughly 4% in prime London — a spread wide enough to still support well-costed schemes even as marginal ones fall away. Birmingham in particular has emerged as the fastest-growing BTR market outside London and Manchester, with BTR stock up 29% in 2024 and over 16,000 units either under construction or consented.

Where this leaves developers, lenders and investors

The regional BTR reset is best read as a repricing of risk rather than a retreat from the thesis. Tenant demand for professionally managed rental stock hasn't gone away — BTR still accounted for around 8% of the roughly 210,000 new homes delivered across Great Britain in 2025, nearly one in ten completions, and void periods in London have compressed to just 11 days, evidence that occupier demand remains structurally tight even as delivery slows.

What has changed is the bar for what gets built. Schemes need tighter cost control, credible sponsors, and locations with demonstrable absorption — the kind of granular, scheme-level comparables and yield data that separates genuinely viable sites from ones that only worked on paper two years ago. With development finance more available for the right deals and competition for sites subdued, those who can mobilise now may secure what Savills has termed "first restarter" advantage.

The risk, flagged repeatedly by the British Property Federation and Real Estate:UK, is policy uncertainty compounding cost pressure. Further shifts in planning rules, safety levies or taxation could deepen the viability gap further just as the sector needs stability to rebuild starts. For now, the story outside London isn't collapse of demand — it's a pipeline resetting around a much narrower set of schemes that actually pencil.