Case study · Design and build conversion

Beaumont Mews, St Albans: listed barn conversion

Curtilage-listed barns in St Albans converted into seven holiday-let apartments, keeping the original A-frames and flint walls.

£1.3mContract value
46 weeksProgramme
St Albans, HertfordshireProject
Design and build conversionDelivery route
Project overview

Listed barn conversion in St Albans

JBP converted curtilage-listed barns into seven holiday-letting apartments while retaining the features that gave the buildings their character. The project combined major structural repair, new construction and sensitive external works within a green-belt setting.

01 · The challenge

Repairing the retained barn structure

The existing structure was in poor condition and required extensive repair while new elements were built around the retained frame. Difficult ground conditions called for a floating reinforced-concrete slab and deep strip foundations. Green-belt constraints and nearby archaeological interest added further planning and delivery considerations.

02 · The response

Coordinating foundations and heritage fabric

The team coordinated the retained fabric, foundations, structure and new envelope as one buildable sequence. Early decisions focused on protecting original elements, resolving interfaces between old and new work and keeping information moving between the client, consultants, suppliers and site team.

03 · The result

Seven holiday apartments, with character retained

The completed scheme combines a full curtain-wall front elevation with retained A-frames, roof features, flint walls and brick flooring. Landscaping was designed to sit comfortably within the green-belt context, creating seven distinctive apartments from a structurally demanding starting point.

Project experience

Experience in listed-building conversion

Converting a listed building means working with what is already there. At Beaumont Mews that meant repairing a frame in poor condition, keeping the A-frames, flint walls and brick floors, and building new foundations around them. Read more about our design and build service.

01Listed barn conversion
02Structural repair
03Design and build
04Heritage detailing
Project questions

Beaumont Mews: project questions

What was delivered at Beaumont Mews?

Seven holiday-letting apartments were created through the change of use and conversion of listed barns, together with associated external works.

What made the project technically demanding?

The retained building needed extensive repair, the ground conditions required substantial foundations, and the setting brought green-belt and archaeological considerations.

How long did the work take?

The construction programme was 46 weeks.

Converting a listed or historic building?

Send us the drawings and any listed building consent conditions, and we’ll talk through how the work could be planned.

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