Party Wall advice 20 Hanover Sq

Completion of Grade II listed 20 Hanover Square

We provided advice on all apsects of Party Wall & Neighbourly Matters for the development at 20 Hanover Square

Congratulations to the team at The GHS Limited Partnership on the practical completion of Grade II* listed 20 Hanover Square.

The development comprising 6,300 sq ft of self-contained office space overlooking Hanover Square and the new Medici Courtyard.

The development is part of the masterplan for Hanover Square that fully integrates the new Crossrail Bond Street Station, which has ticket halls on Davies Street and beneath 18 Hanover Square, with Crossrail elements being developed independently under the Crossrail ‘Act’

The luxurious offices at 20 Hanover Square have been meticulously restored, marrying ornate period features and contemporary comfort. This is a beautiful, modern working environment unlike any other, with a private entrance directly onto an historic Mayfair square.

Client : The GHS Limited Partnership

(a 50/50 joint venture between Great Portland Estates and the Hong King Monetary Authority)

Architect : Lifschutz Davidson Sandilands

Services : Party Wall and Neighbourly Matters

Sector : Mixed

Further Guidance when appointing a Party Wall Surveyor

If you are a Building Owner planning work to your property and want help managing the Party Wall process, please get in touch.

If you are an Adjoining Owner and have received a notice we can advise on how you can best protect your property and manage the Party Wall process.

For information on how the Party Wall Act affects you see our Party Wall Fact Sheet.

You can also find further information in our Party Wall FAQs. This has been compiled this from questions we are often asked about the Act.

You can also find guidance on choosing a Party Wall Surveyor in our recent news article.

There is some further information in the government’s explanatory booklet on the Party Wall process.

If you are unsure how the Party Wall Act affects your property and want some advice give us a call.

If you would rather we called you instead, please fill in our Contact form and we will be in touch.

For the contact details of a surveyor local to you, see our Birmingham, Bristol, Manchester, Norwich & Plymouth Surveyor details.


For advice direct from one of our Surveyors, please call our Enquiry line on 020 4534 3135

If you have any concerns regarding the Party Wall Act; or if you have received a notice from a neighbour and want advice on how best to protect your property, please contact :


Team members shown:

Sign up to our newsletter