An amended plan to turn a Grade II listed barn into housing with an underground sauna and pool has been submitted after a judicial review.

Hertsmere Borough Council received the application to turn a barn into a home on land surrounding Kemprow Farm, near Aldenham, on December 16.

An application for listed building consent was also submitted on the same day, as it is a Grade II listed building.

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This follows an application for the same consent which was granted by the council on April 11 this year, but later quashed by a judicial review.

According to a planning officer report from the previous proposal, if the plan was given the green light the listed barn would be restored and a smaller outbuilding would be demolished and replaced. A timber frame would link the two structures forming a single building.

The new annexe, replacing the smaller outbuilding, would have a basement that is larger than the structure itself and a sunken terrace garden.

The 17th or 18th century barn, described by the officer as “in a very poor state of repair” and used to store agricultural machinery, would end up with more than a dozen rooms.

In the main barn there would be a study, a toilet, and large open plan space, serving as a lounge and kitchen.

Through the “glazed link” residents would walk to an annexe containing a hall, three bedrooms (including one en suite), and a bathroom.

The basement would contain a cinema/games room, swimming pool, gym, steam room/sauna, another bedroom (with an en suite) a store, a toilet, a shower, a laundry room, and a plant room.

Aldenham Parish Council had opposed previous proposals and the judicial review had found that the site could not be regarded as previously developed land, instead it must be considered to be in agricultural use.

In the covering letter for the new application the chartered surveyors outlined amendments made in response to the review.

These include removing a car port from the plan, revisions to access arrangements, and the submission of a soils and agricultural report.

The letter concludes saying that, due to the updated and amended information, “the application should be redetermined favourably”.