Bridging Finance for Office Buildings, Conversions & Investments
Bridging finance for office property - PD conversions to residential, owner-occupier purchases and multi-let office investments.
What is office property bridging?
Office bridging covers three distinct use cases: investors acquiring office buildings for permitted development conversion to residential, businesses buying their own office premises ahead of long-term owner-occupier commercial mortgage, and investors acquiring multi-let office investments. Each has a different lender appetite and the right structure depends on the use case.
Office-to-residential PD has been one of the highest-growth bridging segments since the planning regulations were expanded in 2021. Lenders are increasingly comfortable advancing against gross development value where planning prior approval is confirmed, making bridging a viable structure for the full acquisition-to-conversion-to-sale cycle.
When office bridging is the right tool
Office acquisition for PD conversion to residential
Bridging funds the office acquisition while prior approval is confirmed; development finance funds the conversion.
Owner-occupier business acquiring its office
Bridging gives immediate occupation while a long-term owner-occupier commercial mortgage is arranged.
Multi-let office investment acquisition
Income-producing offices in regional commuter towns attract specialist commercial bridging lender appetite.
Office repositioning - speculative refurbishment for re-let
Works finance plus a bridge funds the refurb and the lease-up period before commercial refinance.
Vacant office acquisition at auction
Vacant office assets bridge against either vacant possession value or confirmed PD-resi GDV.
Office portfolio acquisition from a corporate disposal
Corporate sale-and-leaseback programmes often require speed; bridging matches the timing.
Office bridging - typical lender criteria
| Loan size | £250k - £20m |
|---|---|
| LTV (PD-resi confirmed) | 60-65% of GDV |
| LTV (owner-occupier) | Up to 70% existing value |
| LTV (multi-let investment) | 60-70% |
| Rates | 0.59% - 0.85% pm |
| Term | 6 - 18 months |
| Exit | Commercial mortgage, PD-resi sales, or BTL |
PD office-to-resi: lenders increasingly comfortable where planning or PD rights confirmed; GDV-based LTV available from specialist lenders. Owner-occupier office: similar to industrial, fewer lenders but generally good appetite for strong covenants. Multi-let investment: assessed on yield; prime office towns (Reading, Bristol, Leeds, M25 corridor) preferred over secondary markets.
Why investors use Doulton on office deals
Office bridging requires precise lender selection because the same lender will often have very different appetite for different sub-segments. A lender willing to advance 65% of GDV on a PD-resi office acquisition may have no appetite for multi-let investment offices, and vice versa. Doulton matches each case to lenders currently active in that specific sub-segment, which is the difference between sharp terms in 14 days and three weeks of dead-end conversations.
For PD-resi office conversions, we structure the full transaction end-to-end - bridge for acquisition, development tranche for works, and either residential sales finance or BTL exit. That avoids the most common failure pattern: bridging on commercial terms only to discover the development finance lender requires different security structure.
Office bridging - eligibility at a glance
- Class E (commercial, business, service) use class confirmed
- PD rights confirmed by LPA or prior approval in place for conversion deals
- Entity borrower (Ltd Co, LLP) preferred for investment/conversion
- Owner-occupier options available through regulated bridging for individuals
- EPC rating and improvement requirements material to lender appetite
- Location quality and tenant covenant strength assessed
Case study - 4,500 sq ft vacant office, PD conversion to 12 apts
£1.2m bridging loan - office acquisition with confirmed PD rights
The challenge
An investor identified a vacant 4,500 sq ft office building in a commuter town with confirmed PD prior approval for conversion to 12 apartments. Mainstream commercial lenders valued the asset on its existing-use value as a vacant office (£900k) rather than the confirmed PD-resi GDV (£2.4m), leaving the deal under-funded.
The approach
Doulton arranged a £1.2m bridging facility at 65% of GDV (£800k against vacant possession value, plus £400k advanced against confirmed PD-resi GDV) via a specialist commercial bridging lender comfortable with PD-resi advance against GDV. Development finance for the conversion works was arranged separately at month 2 once construction was ready to start.
The outcome
PD scheme completed at month 14 with 12 apartments delivered. 9 units sold in months 13-14 repaying the bridging facility and the development finance. 3 units retained on BTL mortgages providing ongoing income. Project IRR exceeded the original underwriting model by 4% thanks to lower-than-budgeted refurb costs.
Office Property Bridging Finance - frequently asked questions
Can I get bridging finance to convert an office to residential?
Yes. Office-to-residential under Class O (or now Class MA) permitted development is one of the strongest current bridging use cases. Specialist commercial bridging lenders advance up to 65% of confirmed GDV where PD prior approval is in place, structured either as a single facility (acquisition + works) or as a bridge plus separate development finance. The exit is via residential unit sales or BTL refinance.
What LTV is available on office building bridging?
Up to 70% LTV on tenanted multi-let office investments with strong covenants; 60-65% on owner-occupier acquisitions valued on existing use; 60-65% of GDV on PD-resi conversion acquisitions with confirmed prior approval. Vacant offices without confirmed PD rights typically attract 55-60% LTV against vacant possession value. Loan sizes range from £250k to £20m+ depending on lender and asset complexity.
Can a business use bridging finance to purchase its own office?
Yes. Owner-occupier office bridging is well-supported. The business takes the bridge to acquire the office immediately, moves in and starts operating from the new premises, and refinances onto an owner-occupier commercial mortgage typically 4-9 months later. Doulton structures the bridge and the long-term commercial mortgage in parallel so the exit lender's criteria drive the bridge terms. This is often cheaper than a longer-dated regulated bridging product where the business is itself the occupier.
Do office bridging lenders accept PD rights as security uplift?
Specialist commercial bridging lenders active in PD-led office conversion will advance against the GDV indicated by confirmed PD prior approval, typically at 60-65% LTV. Where PD rights are only indicated (not yet formally approved by the LPA), lenders are more cautious and may only advance against existing-use value with a small uplift. A planning consultant's positive opinion on PD prior approval can strengthen the case materially.
What happens if PD prior approval is rejected during the bridging term?
The bridge continues to be secured against the property's existing-use value (vacant office or tenanted investment). The borrower's options are: (1) appeal the prior approval rejection; (2) submit a full planning application for the proposed conversion or an alternative scheme; (3) refinance the bridge onto a commercial mortgage based on the existing office use; (4) sell the asset. We always model the downside case alongside the upside conversion plan when structuring the original facility.
Can I bridge on a multi-let office investment?
Yes. Multi-let office investments in established commercial centres - particularly the M25 corridor, regional commercial towns (Reading, Bristol, Leeds, Manchester) and prime business districts - are well-supported by specialist commercial bridging lenders. LTVs of 60-70% are available on income-producing assets with diversified tenant mix and weighted average lease length of 3+ years. Single-let offices with strong covenants can attract similar terms.
Other specialist bridging sectors
Light Industrial & Warehouse Bridging Finance
Bridging finance for industrial property - warehouses, light industrial units and trade parks. Lender-friendly asset class with sharp rates and high LTV.
Learn more →Retail Property Bridging Finance
Bridging finance for retail property - acquisition, repurposing and refinance. Specialist lenders for high-street, retail park and retail-to-residential conversion.
Learn more →Bridging Finance for MUFB (Blocks of Flats)
Bridging finance for multi-unit freehold blocks - acquisitions, conversions and refinances. Fast capital deployment for competitive block purchases.
Learn more →Refurbishment Bridging Finance
Bridging finance for property refurbishment - light cosmetic works to heavy structural refurb. Up to 100% of works costs alongside the purchase advance.
Learn more →Tell us about your office property bridging finance requirement
Indicative terms within hours. Whole-of-market benchmarking across 130+ specialist lenders. No upfront fees on loans over £1m.