Commercial Mortgages Bankside and London Bridge
SE1 is the only central London postcode district that carries a serious office market on the south bank of the river. Bankside and London Bridge together form a designated Opportunity Area, running from Blackfriars along the riverside to Tooley Street and Bermondsey Street. We arrange commercial mortgages here on let offices, ground-floor leisure and food and beverage, hotels and mixed-use blocks across the whole SE1 district.
A commercial mortgage in Bankside and London Bridge is long-term secured debt against business premises, underwritten on rental cover, trading profit or EBITDA depending on how the property is held. Commercial Mortgages London is a specialist commercial mortgage broker arranging owner-occupier, investment, semi-commercial and trading-business mortgages across Bankside and London Bridge.
Postcode districts: SE1.
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The Bankside and London Bridge commercial property market
London Bridge and Bankside is one of London's 47 designated Opportunity Areas, which means the London Plan has earmarked it for significant commercial and residential growth linked to transport capacity. Every Opportunity Area must support a minimum of 5,000 new jobs or 2,500 new homes, or a combination of the two. The district straddles the Southwark and Lambeth boundary along the river, and Lambeth and Southwark together held 1,780,000 square metres of office floorspace on the last full sub-market breakdown. That 2001 figure reads as relative scale rather than current stock, but it places the south bank clearly behind the City and Westminster and ahead of most of the rest of London.
The commercial mix is unusually broad for a single postcode district. Riverside office along Southwark Street and Bankside sits alongside cultural and visitor-economy leisure, a dense food and beverage cluster around Borough and Bermondsey Street, hotel stock serving both business and tourist demand, and converted warehouse space let to creative and professional occupiers. That variety is a strength when we are placing a deal, because a building here can often be presented as an office case, a leisure case or a mixed-use case depending on which lender's box it fits best. It is also a weakness at valuation, because comparables in SE1 are drawn from a wider range of uses than in EC2 or W1.
HM Land Registry recorded 529 open-market residential sales in the SE1 postcode district in the twelve months to 29 May 2026 at a median of £550,000, down 7.9% on the year. Flats dominated at £528,000, with terraced stock at £916,000, semi-detached at £857,000 and detached at £755,000, an unusual ordering that reflects how few houses there are here. Only 2 of the 529 sales were new build, at a 39% premium. A 7.9% annual fall against a Southwark borough average of 4.3% tells us the riverside apartment market is repricing faster than the borough as a whole, and we expect valuers to reflect that on the residential element of any mixed-use case in SE1.
SE1 planning applications and why this page carries none
The SE1 district sits mostly inside Southwark, which does not publish a planning register we can read by machine, so this page cites no applications, no counts and no approval rates. The northern riverside fringe touches Lambeth, which does publish a readable register, but pulling Lambeth applications onto a page about Bankside would misrepresent where those decisions were actually made. What we can verify for SE1 is the transaction picture: 529 open-market residential sales at a £550,000 median in the twelve months to 29 May 2026, down 7.9%, plus the district's designation as a London Plan Opportunity Area. Where a specific SE1 deal turns on a change of use or a licensing position, we check the relevant council portal manually before submission.
Commercial property types across the South Bank
Riverside office investment
Let offices along Southwark Street and Bankside, priced on interest cover at 140 to 160% and LTV of 65 to 75%.
Converted warehouse and studio space
Creative and professional lettings in period stock, funded on covenant and unexpired term.
Food and beverage around Borough and Bermondsey Street
Operator-led trading assets at 60 to 70% LTV, or let investments at 6.5 to 8.5% pa.
Hotels and serviced apartments
Underwritten on trading accounts with goodwill stripped out rather than on passing rent.
Mixed-use riverside blocks
Ground-floor commercial with apartments above, blended cover, LTV to 75%.
Ground-floor units in completed schemes
New Class E space taken before or shortly after letting, bridged and then termed out.
Products active on SE1 commercial property
Let offices and leisure units route through a commercial investment mortgage on interest cover. Blocks combining ground-floor commercial with apartments above route through mixed-use on blended income. Operators buying a restaurant, bar or hotel take a trading business mortgage underwritten on accounts at 7.0 to 9.0%. Units taken before a tenant signs need a bridge-to-let at 8.5 to 11.0% and then term out once income is proven. Owners refinancing a facility written before the rate reset use a commercial remortgage at 6.0 to 8.0%. Commercial mortgages on SE1 assets are unregulated lending and fall outside the FCA's regulated mortgage perimeter.
Commercial investment
Let commercial floorspace priced on interest cover at 140 to 160%, LTV 65 to 75%, 6.5 to 8.5% pa.
Mixed-use
Blocks with commercial at street level and flats above, blended cover, LTV to 75%, 6.5 to 8.5% pa.
Bridge-to-let
Vacant units bought, refurbished, let and then termed out. 8.5 to 11.0% pa on the bridge.
Owner-occupier
Operators buying their own unit, EBITDA cover 1.3 to 1.5x, LTV to 75%, 6.0 to 7.5% pa.
Portfolio refinance
Multiple units consolidated onto one facility at 6.5 to 8.0% pa.
Lender appetite around London Bridge
NatWest, Lloyds, Barclays and Santander compete on the well-let riverside office stock at 60 to 65% LTV, and SE1 is now close enough to the City in covenant terms that they price it accordingly. Shawbrook, InterBay Commercial, Allica and Cambridge and Counties take converted warehouse and multi-let stock with shorter unexpired terms. Cynergy Bank and LendInvest fund mixed-use blocks and part-vacant repositioning. Hotels and the Borough Market food and beverage cluster price with the hospitality specialists at 60 to 70% LTV and 7.0 to 9.0%. With the SE1 residential median down 7.9%, we expect a conservative number on the residential half of any mixed-use valuation and structure for it.
Property types we finance in Bankside and London Bridge
Asset classes most active in Bankside and London Bridge, each linked to the dedicated finance structure, lender appetite and typical terms for that property type.
Bankside and London Bridge commercial mortgage rates, fees and deposit
The commercial mortgage rates we are placing in Bankside and London Bridge at mid-2026 sit at 6.5 to 8.5% pa for the dominant local profile, which here is office and mixed-use investment. Expect loan to value of 65 to 75%, which puts the deposit or retained equity at roughly a quarter to a third of the value of the property. Owner-occupied business borrowing prices from 6.0 to 7.5% pa, commercial investment from 6.5 to 8.5% pa, and trading businesses from 7.0 to 9.0% pa. A commercial remortgage on an asset you already hold in SE1 runs 6.0 to 8.0% pa.
Costs beyond the rate are where Bankside and London Bridge deals are won or lost. Arrangement fees run 1.0 to 2.0% of the facility. Valuation fees start around £1,500 on a single unit and reach £8,000 or more on a multi-let London building, and the RICS Red Book valuation is the critical path on almost every case, so we instruct it in week one. Legal costs run £4,000 to £15,000. Stamp duty land tax applies at the non-residential rates. Check early repayment charges before you fix, because a five-year fix broken in year two is rarely the cheapest way to repay. Local pricing context: the median transaction in SE1 postcode district is £550,000, which is residential data we use only as a temperature gauge for the surrounding market.
Bridging finance in Bankside and London Bridge, and when it is the right answer
Not every Bankside and London Bridge purchase fits a term facility on day one. An auction lot, a vacant unit that needs letting before a lender will price it, or a change-of-use scheme awaiting consent all point at commercial bridging first. Bridging loans run 8.5 to 11.0% pa, or 0.70 to 0.95% per month, over three to twenty-four months, and exit onto a commercial mortgage once the asset is income-producing. We only recommend bridging finance where the exit is genuinely identified and underwritten, because an unplanned bridge is the most expensive money in commercial finance. If the term lender will take the deal now, we will tell you to skip the bridge.
Which Bankside and London Bridge commercial mortgage lenders to approach
There is no single best lender for Bankside and London Bridge commercial property, only the right lender for this building on this week's credit appetite. High-street commercial lenders price keenest on prime business: Lloyds, NatWest, Barclays and Santander all compete where the covenant is strong. Challenger lenders such as Allica, Aldermore, Cambridge and Counties, OakNorth and Paragon take most of the SME and mid-market finance in SE1. Specialist lenders, Shawbrook, InterBay Commercial, LendInvest, Cynergy Bank, Together and Hampshire Trust, cover the semi-commercial, multi-let and shorter-lease commercial finance the high street declines.
Comparing those finance options properly is the work. Most brokers send a deal to two lenders they know. We benchmark it across the panel, because the difference between the third-best and the best quote on a Bankside and London Bridge commercial property is usually worth more than every fee in the transaction combined. We arrange commercial mortgages, commercial remortgages, portfolio facilities, second charges and bridging loans. We do not arrange unsecured business loans, and we do not arrange buy-to-let mortgages on residential property, so if that is what your deal needs we will say so and point you elsewhere rather than waste a month finding out.
On eligibility, the property finance question we are asked most in Bankside and London Bridge is what a lender needs before it will commit. For owner-occupied business, two years of filed accounts is the usual minimum, though twelve to eighteen months places comfortably in well-understood sectors. For investment properties the eligibility test is about the tenant, the lease and the cover ratio rather than about you personally. Clean credit for the company and its directors matters throughout, and a full inspection rather than a desktop valuation is worth insisting on, because a thin report can cost five to ten percentage points of LTV. Send us the property market context you already have, the lease or the accounts, and we will tell you which lenders will look at it before you spend anything.
Bankside and London Bridge sold-price data
Live HM Land Registry transaction data for the Bankside and London Bridge local authority area. Use this as market evidence when appraising your scheme or testing GDV assumptions.
Median price
£550K
-7.9% YoY
Transactions (12m)
529
Completed sales
New-build share
0.4%
2 new-build sales
New-build premium
+39.0%
vs existing stock
Median price by property type
Detached
£755K
Semi-detached
£857K
Terraced
£916K
Flat / Apartment
£528K
Recent transactions
| Date | Postcode | Address | Type | Price |
|---|---|---|---|---|
| 22 May 2026 | SE1 6FP | APARTMENT 2901, 251, SOUTHWARK BRIDGE RO… | Flat / Apartment | £570K |
| 22 May 2026 | SE1 7HG | FLAT 172, 9, ALBERT EMBANKMENT | Flat / Apartment | £450K |
| 18 May 2026 | SE1 6FD | APARTMENT 2206, 1, ST GABRIEL WALK | Flat / Apartment | £872K |
| 15 May 2026 | SE1 6FB | APARTMENT 1806, 1, ST GABRIEL WALK | Flat / Apartment | £850K |
| 15 May 2026 | SE1 7GJ | APARTMENT 15, 24, ALBERT EMBANKMENT | Flat / Apartment | £560K |
| 14 May 2026 | SE1 4QL | 73, MEAKIN ESTATE | Flat / Apartment | £475K |
| 13 May 2026 | SE1 6BT | APARTMENT 154, METRO CENTRAL HEIGHTS, 11… | Flat / Apartment | £400K |
| 8 May 2026 | SE1 6EJ | APARTMENT 3307, 8, WALWORTH ROAD | Flat / Apartment | £625K |
Source: HM Land Registry Price Paid Data, SE1 postcode district. Updated 29 May 2026. Residential transactions, PPD category A. Used as a market-temperature gauge for the surrounding area, not as a measure of commercial transaction volume.
Bankside and London Bridge commercial mortgage FAQs
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