Property data
Sale history
Date Paid price Annual growth After inflation
May 2017 £725,000 5.3% 3.0%
Aug 2007 £440,000 na na
Internal area
48 square metres (517 square feet) according to latest EPC inspection
Price per internal area

This property sold for £15,104 per square metre (£1,403 per square foot) in May 2017. Indexed forward to today's value, this is roughly £12,972 per square metre (£1,205 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
May 2017 £725,000 £15,104 £622,640 £12,972
Aug 2007 £440,000 £9,167 £619,513 £12,907

Calculated using the latest EPC internal area of 48 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £622,640. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Marble Arch are now selling for between £20,000 and £23,530 per square metre (£1,858 and £2,186 per square foot). Based on an internal area of 48 m², this implies a valuation between £960,000 and £1,129,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
1
Type
Flat
Council tax band
F
Archived listings
History:
Archived rental listing for Flat 12 Fitzhardinge House Portman Square. Advertised on multiple portals. It was added on 25/05/2017. It last appeared Nov 2017.
Photos:

There are 7 archived estate agent listing photos for Flat 12 Fitzhardinge House Portman Square.

Photos for Fitzhardinge House Portman Square
View photos
Advertiser remarks:
  • 2 bedrooms
  • 2 bathrooms
EPC Inspections
Summary:
22 May 2026 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
2nd floor flat in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built 1967 to 1975
Area:
48 sqm (517 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Community scheme.
Frequently asked questions

Flat 12 Fitzhardinge House Portman Square is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £622,640.
  • Based on an internal area of 48 m² and recent prices in Marble Arch, this implies a lower and upper quartile range from £960,000 to £1,129,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, Flat 12 Fitzhardinge House Portman Square last sold for £725,000 in May 2017.

HouseMetric shows Flat 12 Fitzhardinge House Portman Square as 48 m² (517 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 1 bedroom. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 22 May 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Flat 12 Fitzhardinge House Portman Square was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Flat 12 Fitzhardinge House Portman Square is in postcode W1H 6LQ, in Marble Arch. You can also view HouseMetric's sold-price page for Portman Square, W1H 6LQ or analysis of the Marble Arch property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.