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Buyer advisory listing

No. 1 Grosvenor Square

Mayfair · W1K

Available

Shared as market insight by Prime Legacy Homes, an independent buyer advisor. We are not the selling agent for this property unless formally instructed in writing.

Key facts

Developer: Lodha Group
Address: 1-3 Grosvenor Square, London W1K 4AB, W1K
Completion: Ready to move
Service charge: £15.01pa

Amenities

Concierge
Gym

Investor data

The facts a buyer needs before committing, listed whether or not we hold them. A blank row would read as "there is nothing to disclose"; an outstanding row says what it is — outstanding.

Investor data: 1 of 13 fields confirmed

Counted against the fields that apply to this property. Most listings sit low here today: we publish what the seller has given us and chase the rest rather than filling the gaps with assumptions.

Deal-blocking facts

Any one of these can end a purchase. Ask before you offer.

Tenure: Not yet available — requested from the seller
Unexpired lease term: Not yet available — requested from the seller
Service charge: £15.01pa
Ground rent: Not yet available — requested from the seller
Ground rent review basis: Not yet available — requested from the seller
EPC rating: Not yet available — requested from the seller
Council tax band: Not yet available — requested from the seller

Building safety

The post-Grenfell questions that decide whether a flat can be resold or remortgaged.

EWS1 form status: Not yet available — requested from the seller
Cladding and external wall status: Not yet available — requested from the seller
Building insurance basis: Not yet available — requested from the seller
Section 20 planned works: Not yet available — requested from the seller
Managing agent: Not yet available — requested from the seller

Income in place

Applies where the property is sold with a tenant or a letting history.

Rent passing: Not applicable — offered with vacant possession, not tenanted
Tenancy type: Not applicable — offered with vacant possession, not tenanted
Tenancy expiry: Not applicable — offered with vacant possession, not tenanted
Void periods, last three years: Not yet available — requested from the seller

Ask us to chase any outstanding field before you view.

Net yield calculator

Test the return on this property against your own assumptions. Figures update as you type.

Purchase and income

Purchase price

Prefilled from the guide price. Edit it to model an offer.

Expected monthly rent

Pounds per calendar month, before costs.

Annual service charge

Pounds per year, as stated in the lease.

Other annual costs

Ground rent, letting management, insurance, maintenance.

Modelling assumptions

Defaults last reviewed 2026-08-18. Every figure here is an assumption we have made on your behalf, and every one of them is editable.

Void allowance (%)

Share of the year with no rent. Default 10%, about five weeks.

Service charge inflation (%/yr)

Compounded across the projection. London blocks have run well above CPI.

Major works allowance (£/yr)

A sinking allowance for Section 20 works. Default £2,500 a year.

Other buying costs (£)

Legal fees, survey and searches, on top of stamp duty.

Selling costs (%)

Agency and legal fees on exit, as a share of the sale price.

Capital growth (%/yr)

Default 2% a year. The 0% and forced-sale columns are always shown alongside it.

Target IRR (%)

The return you want over five years. We solve for the growth it would take.

Finance

Loan to value (%)

Set to 0 to model a cash purchase.

Mortgage pay rate (%)

Interest-only basis. The contractual rate you would actually pay.

Stress uplift (percentage points)

Added to the pay rate for the lender's affordability test. Cannot be set below 2 — no lender offers a softer test.

Buyer profile

This will be an additional dwellingYou already own another home anywhere in the world. Adds the higher-rate SDLT surcharge.Non-UK resident for SDLTFewer than 183 days in the UK in the 12 months before completion. Adds the non-resident surcharge.

Held by

Individuals cannot deduct mortgage interest; relief is a 20% tax credit instead. The company path assumes profit is fully extracted as a dividend, so it overstates the drag if you reinvest.

Marginal income tax rate (%)

Default 45%, the additional rate, where Section 24 bites hardest.

Your figures

Enter a purchase price to see the figures.

Illustrative only. This is not financial or tax advice. Mortgage costs are modelled interest-only, rent is held flat while costs inflate, and the figures exclude furnishing, refurbishment and capital gains tax on sale. SDLT rates are current as at August 2026 — confirm your own position with a qualified adviser before you commit.

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