Property data
Sale history
Price Date Annual growth After inflation
£2,400,000 Sep 2011 11.0% 8.3%
£1,000,000 Apr 2003 na na
Internal area
162 square metres (1,744 square feet) according to latest EPC inspection
£ per square meter (foot)
£14,814 per sqm (£1,376 per sqft) in Sep 2011. For context, homes in Marylebone are now selling for between £12,580 and £20,900 per square metre (£1,168 and £1,941 per square foot) . See the analysis of Marylebone W1H-2 housing market.
Valuation comparables
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Bedrooms
na
Type
Flat
Council tax band
na
Archived listings
History:
Archived sales listing for Flat 1 12 Montagu Square. Advertised on multiple portals. It was added on 19/05/2016. It last appeared Jul 2016.
Photos:

There are 12 historic photos of Flat 1 12 Montagu Square.

Photos for 12 Montagu Square
View photos
Advertiser remarks:
  • 4 bedrooms
Planning applications
Planning ref:
November 2014 14/08649/FULL
Type:
Full and householder planning application
Status:
Status not known
Address:
Flat 1 12 Montagu Square Londo
Description:
Extension at lower ground and ground floor level within existing lightwell, reconfiguration of existing balcony and associated internal and external alterations to provide additional accommodation for existing residential flat (Class C3).

Planning ref:
November 2014 14/08650/LBC
Type:
Heritage application - conservation issues and listed buildings
Status:
Status not known
Address:
Flat 1 12 Montagu Square Londo
Description:
Extension at lower ground and ground floor level within existing lightwell, reconfiguration of existing balcony and associated internal and external alterations.

Planning ref:
November 2014 14/08651/FULL
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
Flat 1 12 Montagu Square Londo
Description:
Extension at lower ground and ground floor level within existing lightwell, reconfiguration of existing balcony and associated internal and external alterations to provide additional accommodation for existing residential flat (Class C3).

Planning ref:
November 2014 14/08652/LBC
Type:
Heritage application - conservation issues and listed buildings
Status:
Application withdrawn before a decision was taken
Address:
Flat 1 12 Montagu Square Londo
Description:
Extension at lower ground and ground floor level within existing lightwell, reconfiguration of existing balcony and associated internal and external alterations.
EPC Inspections
Summary:
26 August 2025 - energy performance certificate grade C
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Maisonette , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
204 sqm (2,196 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler with radiators and underfloor, mains gas.

Summary:
18 April 2011 - energy performance certificate grade D
Reason for EPC:
rental (private)
Tenure:
Private rental
Property type:
Ground floor flat on the top floor , has 5 habitable rooms. Estimated year built before 1900
Area:
162 sqm (1,744 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Flat, no insulation. Heating: Boiler and radiators, mains gas.

Summary:
02 July 2009 - energy performance certificate grade D
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Ground floor flat in an apartment block with 5 storeys , has 4 habitable rooms. Estimated year built before 1900
Area:
204 sqm (2,196 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.