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1 bed flat for sale The OWO Residences by Raffles, Whitehall, SW1A

Asking Price

£4,000,000

Added on 18/10/2026

Type: Flat
Bedrooms: 1
Bathrooms: 1
Size: £4,324 per sq ft
Tenure: Leasehold

Key features

Lift
Concierge
New Build
New Development
Restored
Town/City
Cinema Room
Lateral
Courtyard Garden
Chain Free
New Homes

About this property

Once home to The Old War Office, this is a unique opportunity to purchase a one-bedroom lateral apartment within The OWO, a branded residence within Raffles. Located on the ground and offers 925 sq ft of luxury living space. -

A rare opportunity to own a piece of British history, reimagined for contemporary living.

The OWO is home to 85 extraordinary private residences, each offering the hallmark service and discretion of Raffles, within one of London’s most iconic landmarks. Formerly the Old War Office - once the workplace of Winston Churchill and said to have inspired Ian Fleming - this Grade II*-listed Edwardian Baroque masterpiece has been thoughtfully restored and transformed by the Hinduja Group and Onex Holding.

Floorplan

Council tax

Ask agent

Property timeline

Listed

October 2026 £4,000,000

1 bed · 1 bath · this listing

Past sales can't be shown: the agent hasn't given the flat number.

Price guide

100 comparables · within 0.8 miles

Priced above 100% of the 1-bed flats for sale nearby right now.

This home, £4,000,000 Median £670,000 · £425,000 – £1,300,000

Per square foot

£4,324 245% over

1-bed flats nearby £1,255

Compared with 100 1-bed flats for sale within 0.8 miles, on the market now or already under offer. The range is the middle 80% of their asking prices.

Location

The OWO Residences by Raffles, Whitehall, SW1A

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Part of a development

This home is in The OWO Residences, Whitehall. See the scheme's facilities, developer and other homes there.

The OWO Residences, Whitehall

Hinduja Group & Onex Holding · Westminster

View development

Mortgage and stamp duty

Property price £4,000,000

£2m £6m

Deposit10% £400,000

£0 £4m

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £3,600,000 mortgage. Most lenders would want a household income of about £800,000 to support it.

A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.

Properties sold nearby

HM Land Registry sales in SW1A. Floor areas from Energy Performance Certificates where matched.

Address	Type	Sold	Size	Size	£/sq ft	Price
Flat 31, 73, St James'S Street SW1A 1PH Flat / maisonette	Flat / maisonette	Sept 2025	2,250 sq ft £1,267/sq ft	2,250 sq ft	£1,267	£2,850,000
Flat 143b, 4, Whitehall Court SW1A 2EP Flat / maisonette	Flat / maisonette	Aug 2025	980 sq ft £1,940/sq ft	980 sq ft	£1,940	£1,900,000
Apartment 1.08, 6, Horse Guards Avenue SW1A 2BH Flat / maisonette	Flat / maisonette	Jul 2025	1,238 sq ft £4,160/sq ft	1,238 sq ft	£4,160	£5,150,000
2, Catherine Wheel Yard SW1A 1DR Terraced	Terraced	Jul 2025	1,216 sq ft £1,644/sq ft	1,216 sq ft	£1,644	£2,000,000
Apartment 1, 30, St James'S Street SW1A 1HD Flat / maisonette	Flat / maisonette	Apr 2025	2,314 sq ft £605/sq ft	2,314 sq ft	£605	£1,400,000
Flat 142, 4, Whitehall Court SW1A 2EP Flat / maisonette	Flat / maisonette	Mar 2025	1,711 sq ft £2,454/sq ft	1,711 sq ft	£2,454	£4,200,000
Flat 116, 4, Whitehall Court SW1A 2EP Flat / maisonette	Flat / maisonette	Mar 2025	1,109 sq ft £1,263/sq ft	1,109 sq ft	£1,263	£1,400,000
Apartment 1.14, 6, Horse Guards Avenue SW1A 2BH Flat / maisonette	Flat / maisonette	Mar 2025	1,733 sq ft £4,359/sq ft	1,733 sq ft	£4,359	£7,554,578