Mayfair Premium Apartment Refurbishment

50 Grosvenor Street, Mayfair W1K

A premium-specification refurbishment of a lateral apartment within a Georgian townhouse on Grosvenor Street — the heart of the Grosvenor Estate — delivering restored period detailing, a bespoke Smallbone-grade kitchen, book-matched marble bathrooms, and a finish standard commensurate with one of London’s most valuable addresses.

Programme 10 months Budget Band £680k – £880k Borough Westminster Outcome Ultra-premium finish

Grosvenor Estate standards on Mayfair’s grandest street

Grosvenor Street sits at the centre of the Grosvenor Estate in Mayfair. The freeholder requires all interior works to meet exacting heritage standards, and the client’s expectations exceeded even those requirements.

The apartment occupies the principal floor of a Grade II listed Georgian townhouse, with 3.4-metre ceilings, original panelled shutters, and a sequence of interconnecting reception rooms that retain their 18th-century proportions. The previous refurbishment was twenty years old and had introduced finishes that were neither sympathetic to the building nor befitting the address.

The design stripped the interior back to its Georgian bones and rebuilt around them. Panelled joinery was restored and redecorated in heritage colours. The kitchen was designed as a piece of furniture — in-frame cabinetry in hand-sprayed verdigris with honed Nero Marquina marble surfaces, integrated Sub-Zero and Wolf appliances, and antique brass fittings. Both bathrooms were lined in book-matched Calacatta marble with heated floors and Lefroy Brooks brassware.

Bespoke curtains, hand-finished plasterwork, restored fireplaces, and a museum-grade lighting scheme completed the transformation. The apartment now presents at a level consistent with the finest Mayfair residences, while remaining a genuinely warm and comfortable place to live.

50 Grosvenor Street Mayfair apartment - Georgian reception room with restored panelling and bespoke kitchen
50 Grosvenor Street Mayfair apartment - Georgian reception room with restored panelling and bespoke kitchen

What the refurbishment actually changed

Bespoke Kitchen

In-frame cabinetry in hand-sprayed verdigris, Nero Marquina marble surfaces, Sub-Zero and Wolf appliances, and antique brass cup handles and knobs.

Book-Matched Marble Bathrooms

Both bathrooms lined in book-matched Calacatta marble, with Lefroy Brooks brassware, heated floors, and freestanding baths.

Heritage Joinery Restoration

Original Georgian panelling, shutters, and door cases were stripped, repaired, and redecorated in a historically accurate colour palette.

Lighting & Soft Furnishings

A museum-grade picture lighting scheme, bespoke silk curtains, restored marble fireplaces, and hand-finished plaster repairs throughout.

How the project moved from brief to handover

Stage 1

Heritage survey and consent

Detailed condition survey, listed building consent application, and freeholder design approval through the Grosvenor Estate.

Stage 2

Careful strip-out

Surgical removal of modern additions while protecting and cataloguing original Georgian fabric for restoration.

Stage 3

Specialist restoration

Plasterwork repair, panelling restoration, fireplace conservation, and shutter overhaul by heritage-accredited craftspeople.

Stage 4

Kitchen and bathroom installation

Bespoke kitchen fitted, marble templated and installed, and sanitaryware and brassware commissioned.

Stage 5

Second-fix and lighting

Decorating, flooring, curtain installation, and commissioning of the layered lighting scheme.

Stage 6

Snagging and handover

Heritage-standard snagging walk, Grosvenor Estate sign-off, and client handover.

The details that mattered most on site

Challenge

Listed building constraints

Every intervention required listed building consent. Electrical routes, joinery fixings, and even paint colours were subject to conservation officer approval.

Challenge

Grosvenor Estate standards

The freeholder maintains strict design guidelines for the estate. Our proposals were reviewed by the estate’s own architect before work could begin.

Challenge

Book-matched marble procurement

Sourcing two slabs with matching veining for the principal bathroom required a visit to the quarry agent in Carrara and a specific block reservation.

Outcome

A Mayfair residence of distinction

The apartment now presents at the very highest level — a home where the Georgian architecture and contemporary luxury feel entirely natural together.

Planning a premium refurbishment in Mayfair?

We deliver ultra-premium apartment refurbishments on the Grosvenor Estate, Crown Estate, and across Mayfair — with heritage expertise, bespoke joinery, and Lefroy Brooks-grade finishing.

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