Southwark prices soften 3.7% as flatted resales set the lender comparables

We have to be transparent here: our scrape of the Southwark planning portal for this reporting period did not return a usable dataset, so the live pending-units and pipeline-GDV numbers we publish for other boroughs are not available for Southwark this quarter. Rather than estimate, we will pivot to context. Southwark continues to carry one of the largest development pipelines in inner London on a multi-year view, anchored by the Old Kent Road Opportunity Area (around 20,000 homes proposed across the AAP), Canada Water masterplan (around 3,000 homes plus commercial) and ongoing infill across Bermondsey, Elephant and Castle and the Aylesbury Estate regeneration zones. What developers we are speaking to in the borough report is fewer ground-up starts on speculative flatted schemes, more scrutiny on viability assessments and more activity on commercial-to-residential conversions in SE1 and SE16. We will refresh this section with full live planning data in our Q3 2026 update once portal access is restored.

Recent Land Registry transactions show the spread that defines Southwark underwriting. At the upper end, 244 Friern Road (SE22 0BB) traded at £1,470,000 in March as a freehold semi, and a flat at 260 Waterloo Road (SE1 8RH) cleared at £950,000, both anchoring the family-house and prime-flatted comparables. The terraced market printed 59 Ondine Road (SE15 4EA) at £935,000 and 14 Abbotswood Road (SE22 8DL) at £700,000. The bulk of activity sat in the £400,000 to £625,000 flat band: 26A Aberdour Street (SE1 4SG) at £625,000, Flat 2, 377 Upland Road (SE22 0DR) at £625,000, and Apartment 305, Hurlock Heights, 4 Deacon Street (SE17 1GD) at £525,000 (exactly on the borough median). At the lower end, ex-local-authority flatted stock cleared from £335,000 (Widecombe House, Crawford Estate, SE5 9HF; South City Court, Peckham Grove, SE15 6AU). That £335k to £1.47m spread inside a single borough is why valuer comparables in Southwark are so postcode-sensitive.

For senior debt on Southwark flatted schemes, 65-70% LTGDV remains the typical envelope, with all-in rates of 9-12% depending on sponsor track record, exit profile and scheme size. Ticket sizes tend to be larger than outer-London comparables: a 20-unit SE1 or SE16 conversion can easily print a £15m to £25m GDV, which moves the conversation into the challenger-bank and specialist senior pool rather than the smaller bridging desks. Above 70% LTGDV, mezzanine to 80% is available but priced sharply on inner-London flatted exits given the current negative trend. Bridging from 0.65% per month is doing real work in Southwark on commercial-to-residential conversions, permitted-development plays and site assembly along Old Kent Road. Developers benchmarking exits should anchor to the £450,000 flat median for resale stock and only argue the 23.1% new-build premium where the spec, location and finish genuinely support it. Schemes pricing flats above £750,000 in SE15 or SE5 need a thicker stack of evidenced comparables.

We expect Southwark transaction volume to stabilise through the second half of 2026 even as headline prices remain under modest pressure. The borough's long pipeline anchors, Old Kent Road, Canada Water and Aylesbury, will continue to dominate forward GDV, but near-term lender activity is concentrated in smaller conversions and PD/MA schemes rather than large speculative new-builds. Developers active across SE1, SE15, SE16 and SE17 should stress-test exits against current resale data, hold meaningful contingency and avoid pricing into the new-build premium without comparable depth. We continue to arrange capital across the borough on schemes with disciplined numbers.