Mansfield Street, Marylebone, W1G

Property Summary

Presented to the market at offers over £27,500,000, this substantial eight-bedroom terraced townhouse on Mansfield Street occupies a prestigious Marylebone position across 13,237 square feet. The property is distinguished by its remarkable proportions, with ground-floor ceilings of approximately 4.5 metres rising to an exceptional 5.5 metres at first-floor level. Period detailing is evident throughout, with intricate decorative plasterwork and statement chandeliers complementing the generous reception rooms. A contemporary kitchen with central island and expansive glazing provides a counterpoint to the classical character of the principal rooms. The house benefits from passenger lift access, staff accommodation, and four dedicated reception rooms across its multiple floors. The lease extends to 123 years. Mansfield Street sits within immediate reach of Marylebone High Street, Regent’s Park, and Bond Street underground station, placing the property at the centre of one of London’s most coveted residential neighbourhoods.

Key Features

• Eight bedrooms and six bathrooms across 13,237 sq ft
• Four reception rooms providing generous entertaining space
• Exceptional ceiling heights of 4.5 metres at ground floor and 5.5 metres at first floor
• Intricate period plasterwork and decorative detailing throughout
• Passenger lift serving multiple floors
• Contemporary kitchen with central island and expansive natural light
• Staff accommodation included within the property
• Elegant entrance with sophisticated staircase and interior landscaping
• Leasehold tenure of 123 years
• Ground rent of £2,500 per annum
• Council Tax Band H
• Prime Marylebone location, 0.4 miles from Marylebone High Street
• 0.5 miles from Regent’s Park
• Bond Street and Great Portland Street underground stations within 0.6 miles

Design Comment

Mansfield Street presents one of the more compelling interior design propositions currently available in central London. At 13,237 square feet, the property offers the rare combination of lateral and vertical scale that allows for genuinely ambitious spatial planning. The extraordinary double-height proportions at first-floor level — reaching 5.5 metres — create opportunities for dramatic architectural interventions, whether through the introduction of mezzanine gallery spaces, full-height joinery installations, or monumental art walls that exploit the volume to its fullest effect. The existing period ornamentation provides a robust framework upon which to layer a refined contemporary scheme, or alternatively to restore and elevate within a more classical idiom.

The kitchen and reception areas, while currently finished to a reasonable standard, would benefit from a cohesive design language that unifies the property’s considerable footprint. A considered lighting strategy is essential in rooms of this scale, moving beyond the existing chandeliers to incorporate layered architectural and accent lighting that articulates the ceiling detail and defines zones within the larger volumes. The presence of a lift and staff quarters suggests a property already configured for formal living, and a comprehensive redesign could further refine the circulation, service routes, and private quarters to meet the expectations of a discerning principal residence.

The entrance sequence — currently incorporating interior planting and a feature staircase — offers an immediate opportunity to establish the design narrative for the entire house. A bespoke entrance hall treatment, potentially incorporating stone or bronze detailing, specialist plaster finishes, and a commissioned balustrade, would set an appropriate tone for a property of this calibre and location.

Development Consultations

To assist potential buyers of this property to understand their full design and development options, Janine Stone & Co. is able to provide complimentary design concept and development consultations. It can be arranged for these consultations to take place at the property or in our London studio. Janine Stone & Co. will provide guidance on architecture, refurbishment and planning considerations, in addition to helping interested parties to develop their early design ideas into floor plans with estimated project costs and timelines for realisation.

Should a successful acquisition take place, we would be happy to take these initial concepts through to a full concept and subsequent planning, design and build phases.