A large 1 bedroom maisonette apartment offering 841 sq ft of exceptional living space within a Grade II listed building, comprehensively refurbished in 2023 to the highest standards. Located on a private cobbled street, 150 yards from Regent's Park entrance, forming part of the prestigious Crown Estate. Designed with intentional sustainable and energy-efficient technology rare for a heritage property, including superior soundproofing throughout all ceilings, walls, and floors. Full insulation, rewiring, electricity upgrade, and damp-proofing with guaranteed sump pump system completed. Centred around an open-plan reception room with skylight windows and herringbone real wood flooring, opening to a study space. Bespoke Italian-designed kitchen with premium appliances opens to a dining area under skylight windows. Spacious bedroom with secondary glazing, storage and overlooking the patio courtyard. Luxury bathroom with TOTO Japanese toilet, Dornbracht and Alape fixtures, and walk-in shower. Further benefits include three-zone underfloor heating controlled via mobile app. Water softener with drinking tap. 2 private entrances. A secure allocated underground and a private CEPC parking space. 2 underground vaults plus storage. Banham steel-reinforced doors with mobile-controlled entry and security systems. Walking distance to Great Portland St station, Marylebone High Street, Harley Street, and Oxford Circus. Leasehold 130 years (exp. 20/03/2156) Ground Rent: Approx. £100 pa Service Charge: Approx. £3,663 pa Council Tax Band: E EPC Rating: C To check broadband and mobile phone coverage please visit Ofcom here ofcom.org.uk/phones-telecoms-and-internet/advice-for-consumers/advice/ofcom-checker