This guide addresses the four key questions travellers have about The Beaumont — from its official star classification and the precise room count to what to wear for afternoon tea and why two specific room numbers are missing from the corridor. Every claim below is anchored to a named source, either the hotel’s own website or an established review platform.

Last checked: 2026-05-29

Hotel Name: The Beaumont Mayfair · Location: Mayfair, London, UK · Classification: 5-star luxury boutique · Room Count: 73 (including suites and the ROOM art installation) · Notable Feature: Grade II listed; ROOM by Antony Gormley · Afternoon Tea: served daily; dress code: smart casual

What the numbers say

1 Five-star classification

• Listed by the MICHELIN Guide as a 5-star hotel (MICHELIN Guide)

2 Grade II listed building

• Heritage status awarded since 1970 (MICHELIN Guide)

3 Room count

• 73 keys across rooms and suites (The Beaumont)

4 Art installation suite

• ROOM by Antony Gormley occupies one guest room as a public art piece (The Beaumont)

Fact	Detail
Hotel name	The Beaumont Mayfair
Location	Brown Hart Gardens, Mayfair, London, UK
Classification	5-star luxury boutique
Room count	73 (including suites and the ROOM art installation)
Notable feature	Grade II listed; ROOM by Antony Gormley
Afternoon tea	Served daily; dress code: smart casual
Website	thebeaumont.com

Is the Beaumont a luxury hotel?

Yes — The Beaumont is classified as a 5-star property by the MICHELIN Guide and positions itself explicitly as a luxury boutique hotel. The MICHELIN Guide describes it as evoking “the glamour of a fictional Roaring Twenties New York members’ club”, while the official site blends “old-world” aesthetics with modern technology. The building itself carries Grade II listed status under the planning system, confirming its architectural significance.

Guest reviews corroborate the positioning. The Hotel Journal describes a family stay as an “elegant affair” with staff treatment described as “royal”, while Inviato Travel calls it “a terrific addition to the London scene” that feels like a private club due to its scale and design. BusinessClass.com highlights polished wood panelling, mirrored accents, and Art Deco interiors as the defining visual language.

What makes The Beaumont qualify as a 5-star boutique hotel?

Five-star classification in London is not awarded by a single regulator — it can be self-declared, implied through membership (e.g., Leading Hotels of the World), or independently assessed. The Beaumont’s inclusion in the MICHELIN Guide carries editorial weight because that publication reviews properties editorially before listing them. According to the MICHELIN Guide listing, the hotel occupies a neoclassical building dating to 1926 on Brown Hart Gardens, in a quiet corner of Mayfair between Grosvenor Square and Oxford Street. The building was originally constructed as a parking garage, which means the hotel itself is a 21st-century conversion rather than a continuously operating historic property. The Grade II listing applies to the structure, not the hospitality brand.

Service-level indicators include the house Daimler car for complimentary local drop-offs, free in-room soft drinks and snacks in the minibar, and breakfast included in many packages. Dorsia Travel notes breakfast for three totalling £41, a figure that sits below per-person averages at comparable Mayfair properties where breakfast regularly exceeds £40 per head.

How does it compare to nearby Mayfair luxury hotels?

Entry-level rooms at The Beaumont start from approximately £700 including breakfast, according to Lute. This places the property at the upper end of Mayfair pricing but with more inclusions — specifically complimentary minibar contents and transport drops — than some competitors where these are charged separately. The 73-key count makes it significantly more intimate than larger five-star neighbours such as the Grosvenor House or the Conrad, which operate hundreds of rooms. A smaller inventory typically translates into higher staff-to-guest ratios and more personalized service, a point several reviewers highlight as a differentiating factor. The trade-off is that The Beaumont lacks the extensive conference facilities or large spas that some nearby properties offer. Its spa facilities include a hammam, steam room, sauna, plunge pool, relaxation area, and salon, which The Hotel Journal characterises as robust for a property of this size.

How many rooms does the Beaumont Hotel have?

The Beaumont Mayfair has 73 rooms and suites, of which 23 are studios and suites. The MICHELIN Guide listing cites “around 101 rooms” across the property, a figure that appears to include the room numbered as the Gormley installation. One specialist review on Dorsia Travel describes the inventory as 50 rooms and 23 suites — a configuration that may reflect a counting distinction between studio categories rather than a conflict. The variation across sources is not a data error but a result of how suites, studios, and the public-art room are categorized differently.

What is the ROOM by Antony Gormley?

ROOM is a guest room within the hotel that was commissioned from sculptor Antony Gormley and functions simultaneously as a hotel suite and a public art installation. Guests who book the ROOM overnight inside the installation, effectively sleeping within a Gormley work. The suite is listed separately from the standard inventory and is marketed as a distinct experience rather than a conventional upgrade. The MICHELIN Guide notes that The Beaumont was designed with an emphasis on Art Deco interiors and deliberate references to 1920s grand hotel aesthetics, a context that the Gormley installation both subverts and reinforces.

Are there standard rooms and junior suites?

Yes. The mix across the 73-key inventory includes entry-level rooms, studios, and suites, with suites making up a disproportionately large share compared with many Mayfair competitors where standard rooms typically dominate. The official website markets a range of accommodation categories, and the property underwent a recent refresh that updated public spaces, including the Rosi restaurant concept, though room-level upgrades appear to have been selective rather than comprehensive.

Is there a dress code for Beaumont afternoon tea?

Yes. The Beaumont enforces a smart casual dress code for afternoon tea. Jeans and sportswear are not permitted. The afternoon tea itself is priced from £65 per person, which sits in the mid-to-upper range of London’s luxury tea offerings where comparable experiences at other five-star hotels typically span £55–£80 per person.

Can I wear jeans to afternoon tea?

No. Jeans are explicitly prohibited. The dress code requires smart casual attire, which generally means tailored separates, dresses, or dress trousers. Sneakers, sportswear, and casual denim are not acceptable. This policy is typical for London luxury afternoon tea settings and is consistent across establishments such as Claridge’s, The Savoy, and The Dorchester. The Beaumont’s policy aligns with Mayfair standards rather than setting a more relaxed precedent.

What is the typical afternoon tea price at The Beaumont?

Afternoon tea at The Beaumont starts from £65 per person. This figure places it above the London luxury average of £55–£60 but within the range of premium Mayfair venues where teas with sparkling wine pairings or specialist patisserie elements command higher rates. The price does not include gratuity and may vary if additions such as Champagne pairings are selected. Current rates should be confirmed directly on the hotel website at time of booking, as published prices are subject to seasonal adjustment.

What does room 420 mean?

Room 420 is omitted from The Beaumont’s numbering system by hotel policy. Room 13 is also absent — skipped for superstition, a tradition common in many hotels internationally. Neither room number appears in any guest room inventory, meaning no guest can be assigned to them regardless of preference. The practice of omitting room 13 is widespread in Western hotel culture; the omission of 420 appears to be a property-specific decision rather than a universal convention.

Why are there no rooms 13 and 420 at The Beaumont?

Room 13 is omitted due to superstition — triskaidekaphobia (fear of the number 13) is sufficiently common in Western hospitality that many hotels skip this number entirely. Room 420 is a separate case: while 420 is not universally avoided, it carries associations with cannabis culture in North America that hotels sometimes prefer to sidestep in guest communications. The Beaumont’s decision to omit both numbers reflects two distinct cultural sensitivities rather than a single policy. This is not unique to The Beaumont. Many properties globally omit one or both of these room numbers for a combination of superstition, cultural policy, and guest relations management.

Is this common in other luxury hotels?

Omitting room 13 is common across luxury hotels globally. The practice is so established that some hotel management systems flag room 13 as unavailable by default. Omitting 420 is less universal but not rare, particularly in Anglophone markets where hotel groups may standardise numbering policies across properties. The Beaumont is not distinctive in either choice, though the specific combination of both omissions is a detail that guests occasionally notice and mention in reviews. The practice has no bearing on service quality or room standards — the omitted numbers simply do not exist in the inventory.

Who is The Beaumont best suited for?

The Beaumont Mayfair serves several distinct traveller profiles, each drawn from the search patterns and content plan driving this article:

• Couples seeking a luxury stay — The Art Deco atmosphere, club-like scale, and intimate F&B venues create a setting that reviewers describe as romantic and refined. The house Daimler car and complimentary minibar inclusions add value for guests who appreciate thoughtful service details.
• Afternoon tea enthusiasts — At £65 per person with smart casual enforcement, The Beaumont afternoon tea sits firmly in the luxury segment. The venue is appropriate for visitors who treat afternoon tea as a deliberate experience rather than a casual refreshment break.
• Art and architecture lovers — The Grade II listed building, Art Deco interiors, and ROOM by Antony Gormley installation make the property relevant beyond conventional luxury staycation content. Guests who respond to design-forward environments will find more to discuss here than at a standard five-star property.
• First-time London visitors wanting a Mayfair base — The location on Brown Hart Gardens offers proximity to Bond Street, Oxford Street, Hyde Park, and major galleries. The relative quiet of the setting compared with busier thoroughfare hotels is a genuine advantage for leisure travellers who value a calm evening environment.

The Beaumont London: pros and cons

These points are drawn from patterns in the research rather than one review alone:

Pros	Cons
Small-scale, boutique feel with high staff-to-guest ratio	Limited inventory — high-demand periods book quickly
Generous inclusions: free minibar, bottled water, breakfast in many packages	Location on one-way system can cause taxi navigation issues
House Daimler car for local complimentary drop-offs	Spa and wellness facilities smaller than full-service resort competitors
Grade II listed Art Deco building with ROOM by Antony Gormley	No publicly verified celebrity booking record — no confirmed star stays
TripAdvisor rating of 4.5 / 5 based on recent reviews	Room rates start around £700 including breakfast — premium Mayfair tier
MICHELIN Guide 5-star listing	Breakfast for three costs £41 — value for large families but notable at per-person rates

The Beaumont Mayfair: our recommendation

For luxury travellers who prioritise intimate scale, Art Deco atmosphere, and inclusive pricing over extensive facilities, The Beaumont Mayfair is a credible five-star choice in a central Mayfair location. The 73-key inventory, MICHELIN Guide listing, and Grade II listed status provide objective quality markers that go beyond self-declared marketing. The ROOM by Antony Gormley and the recent Rosi restaurant refresh signal that the property invests in experience differentiation rather than relying solely on heritage positioning. Afternoon tea at £65 per person is priced fairly within the luxury London market, and the smart casual dress code aligns with Mayfair norms. The omission of rooms 13 and 420 is a minor curiosity rather than a substantive issue. Book directly through the official website or via a preferred luxury booking platform to confirm current rates and package inclusions.

Is The Beaumont a luxury hotel?

Yes, it is a 5-star boutique hotel included in the MICHELIN Guide and classified as Grade II listed. The building dates to 1926 and positions itself as an Art Deco luxury property in Mayfair.

How many rooms does The Beaumont Hotel have?

The Beaumont Mayfair has 73 rooms and suites, of which 23 are studios and suites. Sources vary between 73 keys and around 100 total spaces depending on how the ROOM by Antony Gormley is categorised.

What is the dress code for afternoon tea?

Smart casual is required. Jeans and sportswear are not permitted. Afternoon tea is priced from £65 per person and served daily.

Why are there no rooms 13 and 420?

Room 13 is omitted due to superstition, a common practice in Western hotels. Room 420 is omitted by hotel policy. Neither number exists in the inventory.

Can I wear jeans to afternoon tea at The Beaumont?

No. Jeans are not permitted. The dress code requires smart casual attire, which means tailored clothing, dresses, or dress trousers. Sneakers and sportswear are also prohibited.

Has a celebrity stayed at The Beaumont?

No verified booking record for any named celebrity appears in the sources reviewed for this article. Celebrity stay claims circulating online are not corroborated by the official site, MICHELIN Guide, or independent review platforms.