Thornbridge Hall planning inquiry: 'Crude' new drive, car park and cafe on Peak District country estate could have 'damaged 40 mature trees' and threatened heritage

A new drive, car park and cafe at Peak District Grade II-listed stately home Thornbridge Hall were built with “blatant disregard for local planning approval”, a planning inquiry heard.

The comment came during an appeal by tycoon and Thornbridge Brewery founder’s wife Emma Harrison against orders to remove the development.

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Mrs Harrison - who made a fortune as boss of employment firm A4e in Sheffield - claims the unauthorised works went ahead without permission because the Peak District National Park Authority ‘barricaded’ its offices during the pandemic.

But Kate Olley, a barrister representing the authority, told an inquiry the quarter-of-a-mile driveway was “exceptionally poorly constructed” and in a “particularly sensitive location.”

The new road joins the existing drive at Thornbridge HallThe new road joins the existing drive at Thornbridge Hall
The new road joins the existing drive at Thornbridge Hall

She added: “As the site now presents, with a car park and large cafe, there is evidence of commercialism and a blatant disregard for local planning approval. This should not be allowed to stand - if this violation is not stopped and reversed Thornbridge Hall can take its place among so many important places of English heritage that are in danger of degradation and loss.”

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She also said listed buildings on the site had been “harmed by the unauthorised developments.”

Speaking about a conservation management plan submitted by the Harrisons retrospectively, Ms Olley said it was “an attempt to justify the unauthorised development”.

She added: “All of the community benefits relied on could be provided or achieved regardless of the unauthorised development and so, should not be afforded any significant weight,” she added.

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The new cafeThe new cafe
The new cafe

The barrister said the groundworks had also “most likely” damaged the roots of up to 40 mature trees. And she said the “crude” road strongly-contrasted with the “narrower, smoother historic driveway” realised by owner George Marples in the late 1800s.

She said: “Regular vehicle movements have been introduced into an area of the park - diminishing the quality of the landscape. Crude in its design and execution, the new unauthorised driveway strongly-contracts with the narrower, smoother historic drive. It also infers inferior status, being used by general visitors and servicing rather than the higher income-generating clients who will continue to use the historic driveway.”

Several members of the public, including Kath Bishell, reacted with outrage at the comment.

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Speaking in support of Emma and husband Jim Harrison’s appeal, she said: “To say Thornbridge would be obtaining enough financial gain from the wealthy patrons at weddings and so forth…are you saying Thornbridge can’t be open to people of more modest means? People who can afford a really expensive wedding are the only people who are going to be allowed? That’s what I understood, that you don’t want the hoi polloi.”

The car park at Thornbridge HallThe car park at Thornbridge Hall
The car park at Thornbridge Hall

Another speaker, Rebecca Weller, said she grew up on the estate when it was owned by Sheffield City Council and she had seen it ‘transformed’.

She said: “When my parents retired the place was in considerable disrepair and much in need of investment. Now fountains are functioning again, greenhouses have been rebuilt, masonry and plaster have been repaired and so forth. The place has been absolutely transformed and without these steps it was really in danger of becoming a dilapidated wilderness.

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“Another very positive step is that Thornbridge is now accessible for the public to enjoy - it’s been transformed into a careful, informal environment which people of all ages can visit and enjoy. I like things like the ducks in the fountain - I think it offers something different to other places in the area.”

Mrs Harrison along with husband Jim argue that the unsanctioned work has opened the park up to the public - ensuring its survival into the future.

Jonathan Easton, a barrister representing the couple at the inquiry, said: “The access road, car park and cafe facilitate and encourage public access to heritage assets. Such access was previously extremely limited. Not only does it allow more people to enjoy the building and grounds, it creates a revenue stream to fund restoration and ongoing repairs as well as providing educational and cultural opportunities for people from disadvantaged backgrounds. The development provides a secure future for the hall and the estate when in recent memory they were unloved and falling into disrepair.”

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Mr Easton said the Harrisons had promised revenue from the cafe and access to the grounds would be “recycled” and a trust would be established to protect Thornbridge assets.

He added: “Mr and Mrs Harrison want to secure the future of Thornbridge Hall.”

However PDNP says the benefits claimed by the Harrisons could be provided without the unauthorised development and “do not, in any event, outweigh the harm caused to those assets”.

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The inquiry heard a crucial legal point regarding the legality of the Harrison’s building work was whether fences and gates had been erected on land considered part of the hall.

PDNP’s position, confirmed by barrister Ms Olley, remains that the hall’s garden and parkland all form part of the building.

The authority says if the appeal is dismissed, and the enforcement notice upheld without any variations, the unauthorised developments must be removed and the land restored to its former condition within six months.

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However, the inspector who determines the appeal may vary the notice requirements, including the periods for compliance.

The Harrisons, present during the opening arguments for and against the appeal, were asked to comment by the Derbyshire Times however they declined.

The inquiry, set to run until October 18, continues.

Ms Harrison quit as boss of A4e in 2012 a day after she gave up her role as ‘back-to-work’ adviser to then prime minister David Cameron following a police probe into the firm.

Thornbridge Hall’s history

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The house was remodelled several times by landowning families until 1896, when Sheffield lawyer George Marples bought the estate, built lodges and cottages, landscaped the parkland and gardens and even added a private railway station. He acquired the Watson Fountain from Chatsworth.

Sheffield entrepreneur Charles Boot lived there from 1929, and his company Henry Boot Construction, still based in the city, brought items from Clumber Park to Thornbridge after they demolished the house in 1938.

In 1945, Sheffield City Council took over the house and ran it as a teacher training college, and it later became a conference centre. It returned to family ownership under the Hunts in 1997, and they restored the house.