What is a student-to-bed ratio?

It is the number of students in a market divided by the purpose-built student accommodation beds available to them. The higher the ratio, the more students compete for each bed, which tends to support occupancy and rent. Published ratios differ because they count students, beds and areas in different ways, so always check how a figure was built.

Is the UK student accommodation market undersupplied?

It depends on the city. New delivery has run below its long-term rate: Knight Frank counts around 19,000 beds under construction for 2026/27 against a ten-year average of about 21,000 a year. But rental growth slowed to 2 percent in 2025/26 (Knight Frank) and some cities that took heavy new supply have seen softer lettings, so we read each market on its own evidence rather than a national headline.

Why does the student-to-bed balance matter to a lender?

Because it underpins the income the loan is serviced from. Where students clearly outnumber beds, well-located schemes fill and hold occupancy. Where supply has caught up, a lender stresses the lease-up and rent more heavily, which affects leverage and pricing.

How many PBSA beds are being built in the UK?

Knight Frank counts around 19,000 PBSA beds under construction for delivery in 2026/27, 95 percent of them in Russell Group locations, against a ten-year average of about 21,000 beds a year (Q2 2026). About 19,600 new beds were delivered across 64 schemes in 2025.

Which UK cities are adding the most student beds?

Knight Frank put London (about 4,350 beds), Nottingham (about 2,550) and Leeds (about 1,900) at the top of new PBSA delivery in 2025. Heavy delivery can ease a city's balance, which is why we read the local pipeline alongside HESA student numbers rather than relying on a national average.

Student-to-Bed Ratio: UK PBSA Undersupply Explained

Student-to-bed ratios and why undersupply matters

The student-to-bed ratio is a simple way to read how tight a student accommodation market is. This guide explains how it is built, why different publishers get different answers, what the verified supply and student data show, and how lenders use the local balance.

The short answer

The student-to-bed ratio is the number of students in a market divided by the purpose-built student accommodation beds available to them: the higher the ratio, the more students compete for each bed. There is no single official UK figure, because publishers count students and beds differently, so we treat any headline ratio with care and read the local balance city by city. The verified inputs are clear enough: HESA recorded 2,863,180 UK higher education enrolments in 2024/25, while Knight Frank counted about 19,600 new PBSA beds delivered in 2025 and around 19,000 under construction for 2026/27, below the ten-year average of about 21,000 a year. This is about student accommodation as an investment, not a student maintenance loan.

At a glance

UK HE enrolments2,863,180 (HESA, 2024/25)
Change in enrolmentsDown 1%, international down 6% (HESA, 2024/25)
New PBSA beds deliveredAbout 19,600 (Knight Frank, 2025)
Under construction for 2026/27About 19,000 (Knight Frank, Q2 2026)
Ten-year average deliveryAbout 21,000 beds a year (Knight Frank)
Rental growth2%, down from 8.3% at the peak (Knight Frank, 2025/26)

What the student-to-bed ratio measures

How the ratio is calculated, and why published figures differ

Which students: all enrolments, full-time only, or full-time students who actually need a bed (excluding those living at home or studying remotely).
Which beds: private PBSA only, or PBSA plus university-owned halls; student HMOs are usually left out, though they house a large share of students.
Which area: the local authority, the city, or a wider travel-to-study catchment around each campus.
Which date: student numbers lag by a year or more, while bed counts and pipelines move each academic cycle.
Pipeline adjustment: some ratios are restated as if the consented or under-construction pipeline were already open.

What the verified data shows

Metric	Value	Source
UK HE enrolments	2,863,180	HESA, 2024/25
Change in enrolments	Down 1% (international down 6%)	HESA, 2024/25
New PBSA beds delivered	About 19,600 across 64 schemes	Knight Frank, 2025
Under construction for 2026/27	About 19,000	Knight Frank, Q2 2026
Ten-year average delivery	About 21,000 beds a year	Knight Frank, Q2 2026

Why the balance differs city by city

For developers: the opportunity is in well-located, consented schemes near strong universities that can be funded through to stabilised occupancy, not speculative stock far from demand.
For operators: a nomination agreement with a strong university covenant strengthens the income story and the funding terms.
For investors: standing stock in tight local markets offers resilient income, while value-add sits in repositioning tired buildings into modern formats.

See student numbers and supply by city for the town-level HESA data and the planning pipeline we track.

Why the local balance matters to finance

Read the balance city by city

A national average hides wide variation, and published national ratios are not built the same way. When we present a scheme to lenders we use the town's own HESA student numbers, the enrolment trend at its universities, the live planning pipeline and evidence from comparable buildings, so the asset is judged on its real market.

How we use the supply picture

If the local balance supports a scheme, the next question is funding to build the student accommodation. Our guide to how student accommodation finance works sets out the options from site purchase to stabilised term debt.

Arrange this finance Student accommodation development finance The facility that funds a ground-up build, a conversion or a change of use into a purpose-built student accommodation scheme, drawn in stages through construction and repaid on completion, stabilisation or sale.

Written and reviewed by Matt Lenzie Founder & Principal Broker · 25 years in banking · Reviewed June 2026