BLOGS

A tale of two metrics: pipeline vs. construction

The UK's build-to-rent sector finds itself in an interesting position in early 2026. On one hand, construction activity has softened compared to the peaks seen in 2022 and 2023. On the other, the planning pipeline tells a different story—one of continued institutional confidence and significant future supply.

REalyse data shows 621 active BTR schemes currently progressing through the UK planning system, representing approximately 134,800 purpose-built rental homes. This substantial pipeline suggests that despite near-term headwinds, the fundamentals driving institutional investment in UK residential remain intact.

The planning pipeline: where the future supply sits

A breakdown of the BTR pipeline by planning stage reveals where development activity is concentrated:

• Detailed Plans Granted: 291 schemes (approximately 69,000 units) have secured full planning consent and are positioned for delivery

• Detailed Plans Submitted: 81 schemes (around 15,150 units) are actively working through the approvals process

• Outline Planning Granted: 72 schemes (roughly 15,100 units) have established the principle of development and are progressing to reserved matters

The average BTR scheme size sits at approximately 320 units, reflecting the institutional scale that defines the sector. Outline schemes trend larger still, averaging around 445 units—indicative of the masterplan-scale developments that BTR operators increasingly favour.

Construction activity: a measured pause

While the planning pipeline paints an optimistic picture, the construction data reveals a more cautious present. REalyse analysis of BTR schemes by contract stage shows:

• Pre-Tender: 86 schemes (over 16,400 units)

• Contract Awarded: 27 schemes (approximately 5,340 units)

• Start On Site: 27 schemes (around 2,350 units)

The Pre-Tender category—representing schemes with planning consent but not yet in procurement—stands at more than three times the volume of projects currently breaking ground. This gap reflects the well-documented challenges facing the construction sector: elevated build costs, supply chain pressures, and financing conditions that have prompted some operators to pause or phase delivery programmes.

However, the depth of the Pre-Tender pipeline also represents latent capacity. As market conditions normalise, these consented schemes provide a ready reservoir of supply that can move to site relatively quickly.

Regional distribution: London leads, regional cities rise

Central London remains the dominant BTR market by some margin, with 17 schemes representing approximately 3,590 units receiving detailed planning approval over the past 24 months. The capital's enduring rental demand, driven by employment density and constrained housing supply, continues to attract institutional capital.

Beyond London, the regional picture is increasingly compelling:

• West Midlands: 7 schemes (circa 2,490 units)

• Avon/Bristol: 8 schemes (approximately 2,360 units)

• Greater Manchester: 9 schemes (around 2,020 units)

• West Yorkshire: 5 schemes (roughly 1,250 units)

These figures underscore the sector's geographic diversification. Cities including Birmingham, Bristol, Manchester, and Leeds have emerged as established BTR markets, offering operators the combination of rental growth, yield compression potential, and demographic tailwinds that institutional investors seek.

Scotland and Wales are also contributing to the pipeline, with Edinburgh (Lothian) and Cardiff (South Glamorgan) recording notable activity, while Northern Ireland—particularly Belfast and surrounding areas—is beginning to register institutional BTR interest.

Looking ahead: what the pipeline signals

The disparity between planning pipeline strength and current construction activity creates both challenges and opportunities. For operators and investors, the key question is timing: when will the conditions align to unlock the substantial consented pipeline?

Several factors will influence the pace of delivery:

• Build cost trajectory: Construction cost inflation, while moderating, remains above pre-pandemic levels

• Debt markets: The availability and pricing of development finance continues to shape viability

• Rental growth: Sustained rental appreciation improves forward-looking returns and scheme viability

• Policy environment: Government commitments to housing delivery and rental sector regulation provide both opportunity and uncertainty

What the data makes clear is that institutional commitment to UK BTR has not wavered. The planning pipeline represents years of site acquisition, scheme design, and capital allocation. These are not speculative positions but deliberate, long-term investment strategies.

Conclusion

The UK BTR sector in 2026 presents a study in patience and positioning. Construction may have slowed, but the pipeline tells a story of future supply waiting in the wings. With nearly 135,000 BTR homes in active development and a Pre-Tender pipeline significantly exceeding current site starts, the sector appears well-positioned to respond as market conditions improve.

For investors, developers, and local authorities alike, the message is consistent: build-to-rent remains a structural trend in UK housing, and the planning pipeline suggests the next wave of delivery is a matter of when, not if.