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35 Portman Square

35, PORTMAN SQUARE, LONDON, W1H 6LR

35 Portman Square is an office building in London W1H 6LR. It has 37 business-rates assessments with a total rateable value of £3,271,000, across about 3,779 m² of rated floor space. The leasehold title is registered to Trilantic Europe Ltd (company 12871975). Its best current energy performance rating is B (the lowest is E).

Building summary

Address35, PORTMAN SQUARE, LONDON, W1H 6LR
Main useOffices and premises
Total rateable value£3,271,000
Rateable assessments37
Rated floor area3,779 m² (40,675 sq ft)
Energy rating (EPC)B to E; 4 current certificates; newest valid until 10 Jul 2032
Registered ownerTrilantic Europe Ltd
Linked planning applications0

Registered owners

OwnerCompany no.GroupTenureTitle no.
Trilantic Europe Ltd Operating business12871975—LeaseholdNGL969310
Altman Solon LLP00425225—LeaseholdNGL970215
Cbre Investment Management Limited Fund, bank or insurer03805106Cbre Group, Inc.LeaseholdNGL985800
Stanhope Capital Management Limited05095816MC Cif Wealth Management (UK) Ltd.LeaseholdBB6944
Stanhope Capital Management Limited05095816MC Cif Wealth Management (UK) Ltd.LeaseholdBB6945
Digital Colony UK Advisors 1 LLPOC424858—LeaseholdBB437
Boerboel Trading LLPOC390954—LeaseholdNGL985956
Altman Solon LLPOC425225—LeaseholdNGL985141
The International Council on Mining and Metals Limited Public sector08164875—LeaseholdNGL965823
Mif Services (UK) Limited Operating business05770952—LeaseholdNGL962566
Delin Capital Asset Management UK Limited Fund, bank or insurer08557904—LeaseholdNGL960609
Ahli United Bank (UK) PLC00887859—LeaseholdNGL884048

Matched from HM Land Registry ownership data (CCOD/OCOD) to this building by address. Groups are from the Companies House register of people with significant control. Matching is automatic and can be wrong — check the title with HM Land Registry before relying on it.

Previous owners

OwnerFromToPrice paid
Mercuri Urval Limited5 Jun 20172 Feb 2026—
Trilantic Capital Partners LLP3 May 201719 Jun 2025—
Ultra Electronics Limited28 Feb 201924 Jan 2024£294,000

Companies previously registered as owner of this building's titles since late 2017, from HM Land Registry's monthly ownership changes. Owners who were private individuals aren't published.

Common questions

Who owns 35 Portman Square?

35 Portman Square is registered to Trilantic Europe Ltd (company number 12871975) at HM Land Registry. 12 registered titles are linked to the building in total.

What are the business rates for 35 Portman Square?

35 Portman Square has a total rateable value of £3,271,000 across 37 assessments on the Valuation Office Agency's rating list. Business rates bills are worked out from the rateable value, less any reliefs the ratepayer is entitled to.

What is the EPC rating of 35 Portman Square?

The current energy performance certificates for 35 Portman Square are rated between B and E, with the newest valid until 10 Jul 2032.

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