Greybrook House, 28 Brook Street

Greybrook House, 28 Brook Street W1K

Guide Price £ 25,000,000

A five bedroom dupex Penthouse of 4,599 sqft on fourth and fifth floors with two roof terraces featuring 360 degree roof-top views of central London. Equisite Master Bedroom with En-Suite Bathroom and Walk-In Dressing Room. There are a further four Double Bedrooms, all with En-Suites. The apartment also benefits from a separate Staff Flat of 748 sq ft, and lift access to all floors. Greybrook House is a grade II listed, Art Deco building designed by Sir John Burnett and Partners. Redeveloped to an exceptionally high standard, the interior of Greybrook House reflects the Art Deco theme found on the exterior of the building and at Claridge’s opposite. The interior architecture and interior design has been expertly crafted by the renowned Fenton Whelan Design team.

Head of New Developments: Simon Barry
T: +44 (0) 20 7409 9001
London New Developments
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Since 4th December 2014 Stamp Duty Land Tax on Residential Property purchases changed with increasing percentage thresholds to pay depending on the price agreed. Our table below shows you the full amount due at the bottom, with a breakdown of the contribution from each tier displayed for clarity.

From 1st April 2016, an additional 3% is added to the Stamp Duty of properties that result in you owning a Second Home or Buy to Let. This new rate can also apply in some other circumstances, if the transaction results in you owning more than one home once the transaction completes. If this situation could apply to you, please check the tick box below to re-calculate the Stamp Duty.

For the latest information on calculating your Stamp Duty, including learning which rate you might qualify for, please visit
Please note the information provided here, is to serve as a guide only, and is not Financial Advice.

Price bands Percentage rate Due
Up to £125,000 0% £0
Above £125,000 to £250,000 2% £2,500
Above £250,000 to £925,000 5% £33,750
Above £925,000 to £1,500,000 10% £57,500
Above £1,500,000 12% £2,820,000
Total 11.66% 11.66% £2,913,750
Price bands Percentage rate Due
Up to £125,000 3% £3,750
Above £125,000 to £250,000 5% £6,250
Above £250,000 to £925,000 8% £54,000
Above £925,000 to £1,500,000 13% £74,750
Above £1,500,000 15% £3,525,000
Total 14.66% 14.66% £3,663,750

If you would like to learn the price for another amount, please click the link to be transferred to the calculator


  • 5 Bedrooms
  • 2 Reception Rooms
  • 5 Bathrooms


  • Flat/Apartment
  • Development
  • Penthouse


  • Special Accomodation
  • Concierge
  • Air Cooling System

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