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Devenish Road, Ascot

Guide Price £15,000,000
Property reference: LOB0778
Guide Price £15,000,000
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  • Description
  • Amenities
  • Location
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Full Description
Living Area:  36,000 sq ft


  • Residential Development Site 
  • Planning Permission for 36,000 sq ft mansion
  • 45 acres
  • Prime Berkshire Location


King's Beeches comprises a vacant site that extends to circa 45 acres of land, located between Ascot and Sunningdale in Berkshire.

We understand that there was originally a large Arts and Crafts mansion house on the site with outbuildings including a coach house and lodge. The estate was formerly in the ownership of the King of Thailand who occupied the property as his UK base until approximately the mid-1970s. The estate subsequently fell into disrepair and was demolished circa 20 - 25 years ago.

Subsequently, planning was sought and granted for a substantial replacement country house. A summary is set out below.


King's Beeches has an extant implemented planning consent to create a new build mansion with extensive ancillary accommodation. The land is gently sloping and benefits from good views from the upper plateau where the consented house would be located.

King's Beeches lies within the Green Belt and The Thames Basin Heaths Special Protection Area (the SPA). Furthermore it is designated as a Local Wildlife Site (LWS). The site has been the subject of a number of applications over the last thirty years; however, the most significant of these are as follows:

94/01295/OUT Demolition of existing and erection of a detached residence with majlis and associated service buildings, servants apartments, stables and horse training area plus new gates and guard houses at Bagshot Road and Devenish Road entrances.
Permitted, 07.02.1995.

95/01415/REM Demolition of existing & erection of detached residence with majlis & associated service buildings, servants apartments, stables/horse training area, new gates & guard houses at Bagshot Road and Devenish Road entrances.
Permitted, 09.01.1996.

15/02964/CPD Certificate of lawfulness to determine whether the works undertaken amount to commencement of permission 94/01295/OUT for the erection of the new dwelling and other buildings as approved under 95/01415/REM can continue following the demolition of the original dwelling.
Issued 09.02.2016.

The planning documents are available on the Royal Borough of Windsor & Maidenhead public portal.  Click here to view the documents online.

The breakdown of the consented buildings (internal areas) is as follows:

  • Villa 3,352 sq m / 36,080.63 sq ft
  • Majlis 989 sq m / 10,645.5 sq ft
  • Guard House 400 sq m / 4,305.56 sq ft
  • Servant Quarters 300 sq m / 3,229.17 sq ft
  • Stables 320 sq m / 3,444.45 sq ft
  • Main Kitchen 256 sq m / 2,755.56 sq ft
  • Toilet at Tennis Court 64 sq m / 688.89 sq ft
  • Total - 5,582 sq m / 60, 084 sq ft

Prospective purchasers must satisfy themselves on planning matters directly with Royal Borough of Windsor and Maidenhead.


It should be noted that there are a number of invasive plant species present at the site including extensive areas of Japanese Knotweed and bamboo.

On the Gov.UK website it states the following:

You must prevent Japanese knotweed on your land from spreading into the wild.

Soil or plant material contaminated with non-native and invasive plants like Japanese knotweed can cause ecological damage and may be classified as controlled waste.

You do not have to remove Japanese knotweed from your land, but you could be prosecuted or given a community protection notice for causing a nuisance if you allow it to spread onto anyone else's property.'

Japanese Knotweed is classed as controlled waste under Part II of the Environmental Protection Act and therefore requires disposal at licensed landfill sites.


  • King's Beeches is located in between Sunningdale and Ascot in one of the UK's most exclusive areas and one which attracts high-net-worth buyers from all over the globe. The locality is rural and leafy yet perfectly positioned for easy access to London and the motorway network. The surrounding towns and villages are well known for their boutiques, excellent local shopping, brasseries, cafes and traditional country public houses.

  • The area also boasts some of the finest restaurants with Coworth Park in Ascot, The Wentworth Club, Pennyhill Park at Bagshot as well as the Michelin-starred The Waterside Inn and The Fat Duck restaurants in Bray. There are few places as well located to enjoy some of the country's best-known social events; highlights of the local calendar include Royal Ascot, the annual PGA Championship at Wentworth Golf Club and the Cartier International Polo at Smith's Lawn.

  • A wealth of exceptional leisure amenities lie close at hand: Wentworth, Sunningdale, Swinley Forest, Windlesham and The Berkshire golf clubs; polo at Coworth Park, the Royal County of Berkshire Polo Club and Guards Polo Club; horse racing at Ascot and Windsor; boating on the River Thames at Windsor and Henley. The picturesque Virginia Water Lake and The Savill Garden are both within easy reach, with horse riding at Chobham and Horsell Commons and in Windsor Great Park.

  • Schooling is excellent with a wide choice of renowned schools including Eton College, Wellington College, Lambrook, Papplewick, St George's Windsor Castle and St Mary's Ascot. International options include TASIS and The ACS Egham International School.

  • Travel services and connections are superb. By road, Central London is about 27 miles away and is easily reached via the M3 and the M4. Heathrow Airport (T5) is about 10.5 miles away, while private jet facilities are available at Farnborough Airport about 13 miles away. Rail services from Sunningdale station into London Waterloo are from 51 minutes.
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