# 4 bedroom apartment for sale (W1H 6LL)

## Property Details

| Key | Value |
|-----|-------|
| Address | FLAT 97, 15 PORTMAN SQUARE, LONDON, GREATER LONDON W1H 6LL |
| Price | £750,000 |
| Bedrooms | 4 |
| Bathrooms | 2 |
| Last sold | £750,000 Nov 2020 |

## Description

Lease Expires 01/04/2033

A bright, 4 bedroom, 2 bathroom apartment on the 5th floor of this stunning block on Portman Square. Comprising separate kitchen, bright reception room, guest cloakroom, master bedroom with en suite and built in storage, 2 further double bedrooms, shower room and single bedroom. 

The building benefits from lift access, communal heating, excellent security with 24 hour porterage and access to the prestigious garden square and private tennis court. Portman Square is ideally located close to the fashionable amenities of Marylebone and Mayfair, including the world renowned Selfridges department store, Marylebone Village, Oxford Street and the green open spaces of Hyde Park. Conveniently positioned for transport connections, including Marble Arch Underground Station (Central Line) and Bond Street Underground Station (Jubilee & Central Lines).

## Property Photos

- ![Picture No. 11](/listings/photos/73929391/513613) - Picture No. 11
- ![Picture No. 08](/listings/photos/73929391/513615) - Picture No. 08
- ![Picture No. 07](/listings/photos/73929391/513616) - Picture No. 07
- ![Picture No. 05](/listings/photos/73929391/513617) - Picture No. 05
- ![Picture No. 02](/listings/photos/73929391/513621) - Picture No. 02
- ![Picture No. 06](/listings/photos/73929391/513622) - Picture No. 06
- ![Picture No. 04](/listings/photos/73929391/513624) - Picture No. 04
- ![Picture No. 03](/listings/photos/73929391/513626) - Picture No. 03
- ![Picture No. 09](/listings/photos/73929391/513628) - Picture No. 09

## Floorplans

- ![Floorplan](/listings/photos/73929391/513629) - Floorplan

## Sales History

*Recorded sales for this property. Data from Land Registry Price Paid.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 15 FLAT 97 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL | £750,000 | 16/11/2020 | Flat |

## Sold Comparables

*Same street and nearby sales within 0.25 miles. Data from Land Registry Price Paid. Last 5 years.*

| Address | Price | Date | Type |
|---------|-------|------|------|
| 15 FLAT 54 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ | £2,100,000 | 11/07/2025 | Flat |
| [Same street] 15 FLAT 89 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL | £1,340,000 | 14/12/2023 | Flat |
| [Same street] 15 FLAT 96 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL | £1,200,000 | 01/11/2023 | Flat |
| 15 FLAT 3 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ | £450,000 | 13/10/2023 | Flat |
| 15 FLAT 26 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ | £1,950,000 | 21/07/2023 | Flat |
| 55 APARTMENT 9 GEORGE STREET, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1U 8AU | £2,704,011 | 19/05/2023 | Flat |
| 55 APARTMENT 10 GEORGE STREET, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1U 8AU | £3,772,215 | 19/05/2023 | Flat |
| [Same street] 15 FLAT 72 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL | £920,000 | 09/12/2022 | Flat |
| 15 FLAT 29 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ | £2,150,000 | 22/07/2022 | Flat |
| 15 FLAT 37 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LJ | £2,000,000 | 01/07/2022 | Flat |
| FITZHARDINGE HOUSE FLAT 57 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LH | £507,000 | 04/03/2022 | Flat |
| 55 APARTMENT 9 GEORGE STREET, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1U 8AU | £2,025,000 | 27/01/2022 | Flat |
| 55 APARTMENT 10 GEORGE STREET, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1U 8AU | £2,825,000 | 27/01/2022 | Flat |
| 30 APARTMENT 8 PORTMAN CLOSE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6DB | £3,700,000 | 15/12/2021 | Flat |
| FITZHARDINGE HOUSE FLAT 2 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LQ | £1,725,000 | 30/09/2021 | Flat |
| [Same street] 15 FLAT 67 PORTMAN SQUARE, LONDON, CITY OF WESTMINSTER, GREATER LONDON, W1H 6LL | £1,700,000 | 20/07/2021 | Flat |

**Street average:** £1,290,000 (4 sales)
**Area average:** £2,159,019 (12 sales)

## Price vs local average

*Outcode + property type (HousePrices, last 2 years).*

- **Local average:** £1,848,077 (13 Flat, W1H, 2024–2026)
- **Deviation:** -59.4%

## Rental Range

*ONS Price Index of Private Rents (Westminster). Low / Realistic / Optimistic = conservative / average / best case.*

- **Low:** £2,834/mo
- **Realistic:** £3,149/mo
- **Optimistic:** £3,464/mo

## LHA (Local Housing Allowance)

*VOA 30th percentile rent floor for Central London (Apr 2025 – Mar 2026).*

- **LHA floor (this property size):** £3,052/mo

## 1% Rule

- **Rent ratio:** 0.42% (weak for cashflow)
- **Max investor price (0.8%):** £393,625
- **Target investor price (1%):** £314,900

*Monthly rent ÷ price. 1%+ = strong, 0.8–1% = okay, <0.8% = weak. Max investor price = rent ÷ 0.8% (Stoke-style target). Target investor price = rent ÷ 1% (strong cashflow band). Based on Area rent estimate.*

## Capital growth trend

*Land Registry outcode average from sold prices: last 12 months vs 5y and 10y ago.*

- **5y growth:** -11.3%
- **10y growth:** -42.3%

## House Price Index (HM Land Registry)

*Official index for City of Westminster; Flats and maisonettes series; as of March 2026.*

- **1y growth (index):** -12%
- **5y growth (index):** -21.6%
- **10y growth (index):** -19.6%

## Flood risk

- **Zone:** 1
- **Risk:** Low
- **Source:** Job (default Low)

[Check long-term flood risk (GOV.UK)](https://check-long-term-flood-risk.service.gov.uk/postcode)