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Our conservation work at Kingston Lacy

Detail of one of Florentine pietra dura panels of the cabinet in the Spanish Room at Kingston Lacy, depicting winter. In this scene, a robin is seen among foliage.
Detail of one of Florentine pietra dura panels of the cabinet in the Spanish Room at Kingston Lacy | © National Trust Images

Here at the National Trust, our expert team at Kingston Lacy is dedicated to protecting the place and its natural surroundings for the benefit of future generations. From hedgerow planting aimed at preserving natural habitats and boosting biodiversity, through rediscovering carefully preserved textiles and installing a ground source heat pump, conservation is a vital part of what we do.

In the house

A dress to impress: bringing Henrietta's dress to life

Two 19th century gowns worn by Henrietta Bankes, the mother of Henry John ‘Ralph’ Bankes who gifted the Kingston Lacy estate to the National Trust in 1981, are being carefully conserved and mounted so that the fragile textiles can go on display.

The gowns, which have been stored out of sight for more than a century, are wonderful examples of haute couture and the work of two of the most important 19th century fashion houses: Doucet and Paquin, whose premises were within doors of each other on the fashionable Rue de la Paix in Paris.

The first, a pale green satin evening gown trimmed with chiffon and ribbon, was made to measure by Jacques Doucet in 1896. The second is a cream chiffon, lace-trimmed tea gown with purple ribbons, and was made by the pioneering female couturier, Jeanne Paquin, who opened a store in London in 1896.

The textiles have maintained an astonishing richness of colour but needed protection against further deterioration. Weak areas were reinforced with transparent gauze, and creases and discolouration removed with very gentle steaming.

The work also revealed other details: on the Doucet, remnants of the silk threads that indicate an elaborate decorative trim (now missing); while the Paquin had additional panels to let out the dress to accommodate a changing shape.

The Doucet will go on display from 6 May 2023 and the Paquin in 2024, before being carefully stored for future generations.

A frill stretched out, pinned and weighted down
The hem of the Paquin teagown was gently reshaped | © Textile Conservation Limited

Conserving Kingston Lacy's cupola

Kingston Lacy's cupola is an iconic feature but its construction has caused a lot of problems over the years.

The cupola was added in 1835, designed by architect Charles Barry to be thinner and taller than the previous one and act simply as a impressive lantern to light the attic below. It was also glazed inside out, probably in order to look more attractive to guests being taken on a tour of the roof.

That glazing, which makes it easy for moisture to sit in the window frames, means the cupola needs regular maintenance. But the shape means access is very difficult, so we have commissioned a bespoke scaffolding tower to fit through a 1.8 metre diameter, 10 metre tube. We have also made protective boxing for the beautiful plaster mouldings when we are working on the glazing.

Now, conservation staff and volunteers can access the cupola safely to carry out more frequent maintenance.

Going green at Kingston Lacy

Ground source heat pump project

Kingston Lacy is opulent, spectacular and astonishing, and it has fuel bills to match. Heating the mansion uses around 30,000 litres of oil a year, which releases about 80 tonnes of carbon annually. We are installing a 160kW ground source heat pump system to replace the existing oil boilers heating the mansion.

It’s a big project that will have big environmental benefits, cutting emissions to around a quarter of their current levels. But it will help us in our conservation work as well. Using a green energy source means we will be able to heat the mansion at a low temperature for longer periods. This will improve the internal environment and humidity control of the collections, and help us secure this beautiful place for the future.

This project has been part funded by Low Carbon Dorset as part of the European Regional Development Fund.

On the estate

Hedgerow management

Species-rich hedgerows are critical for wildlife, and we look after miles of hedgerow on the Kingston Lacy estate. Hedgerows provide food for insects, birds and small mammals, as well as shelter.

Over-management of hedgerows is the biggest problem for the species that live in this habitat. Annual cutting using a mechanical flail creates a species-poor hedgerow of little value to wildlife; it takes out species that could grow into hedgerow trees, which provide a more structured habitat. It can take off new growth, removing most of the flowers and berries as well as eggs from moths.

Good hedges are tall and broad, with herb-rich bottoms and wide margins on either side – something we are trying to achieve here at Kingston Lacy, not only in our parkland but also on the wider estate (including our tenanted farmland).

So we cut hedges every three years or more instead of annually, allowing the plants to produce more flowers and berries, which are vital food for butterflies, bees, birds and moths.

We also leave old dead wood from trees in the hedgerows, whereas before we turned it into created woodchip. Leaving the deadwood will provide very valuable habitats for large numbers of invertebrate species as well as creating micro habitats within the decaying wood.)

And we are filling gaps and establishing new hedgrows: in spring 2023 more than 500 metres of hedging was planted on the estate, with the whips protected by biodegradable cardboard tubing.

A row of newly planted hedgerow whips in protective cardboard tubes
Filling in gaps on the estate | © National trust/Clare Gascoigne

Thank you

With your ongoing support, we're able to continue our vital conservation work. Thank you for helping to protect these special places.

Visitors exploring the Spanish Room at Kingston Lacy, featuring a collection of framed Spanish paintings, a large wooden table and chairs, and a visitors relaxing on a couch

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