Enfield Development Finance: 1 Unit Residential Scheme at 99 Southfield Road Enfield EN3 4BT Enters the Pipeline

Enfield development finance is back in the spotlight this week with a new application at 99 Southfield Road, Enfield, EN3 4BT. The scheme, logged as application 26/02611/FUL on the London Borough of Enfield planning register, was received on 18 June 2026 and is pending a decision. It proposes a change of use from a standard C3 dwelling house to a Sui Generis house in multiple occupation, delivered through a single storey infill extension to the rear and a first floor side extension, alongside new amenity, cycle and refuse storage. It is a single unit conversion, but the mix of structural extension and use class change means it sits closer to a small development project than a straightforward refurbishment for lending purposes.

The site adds to a steady run of smaller residential schemes moving through Enfield's planning system this year, part of a wider pattern our desk tracks across the borough on our Enfield location page. HMO conversions of this kind have become a recurring theme locally, as landlords look to convert underused family houses into higher yielding shared accommodation, particularly along transport corridors close to Southfield Road.

The finance angle is what matters most to anyone looking at a scheme like this. Our estimate puts the gross development value at £445,000 once the extension and change of use are complete, based on the scope set out in the Enfield planning register. For a single unit HMO conversion of this size, we would typically expect specialist commercial lenders or bridging specialists to fund the build phase, with facilities structured against a percentage of GDV rather than purchase price alone. Development finance for schemes in this bracket commonly advances up to 65 percent of GDV, with challenger banks and specialist lenders pricing the risk according to build complexity, the strength of the exit and whether planning has been fully discharged before drawdown.

For sponsors weighing this type of project, the practical points are straightforward. Get costed contractor quotes for the infill and side extensions before approaching lenders, since HMO conversions attract closer scrutiny on build cost per square metre than a standard extension. Have a clear exit lined up too, whether that is refinance onto a specialist HMO buy to let product once the units are let, or a straight sale at the £445,000 GDV level. Lenders will also want confirmation that cycle, refuse and amenity provision meets Enfield's HMO licensing standards, since shortfalls here are a common reason smaller applications stall at committee. Our desk expects more schemes of this shape to come through the borough over the rest of the year, and we are placing them with lenders who understand small scale HMO conversions rather than treating every deal as a ground up build.