Flat 4 12, Montagu Square, W1H 2LD
Flat 4 12 Montagu Square is a 162 m² / 1,744 sq ft flat in Marylebone. It sold for £2,950,000 in March 2016. Indexed forward to today's value, that sale is roughly £2,862k. Recent local prices imply a broad valuation context of £1,960k to £3,337k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.
- Sale history
-
Date Paid price Annual growth After inflation Mar 2016 £2,950,000 8.9% 6.8% Dec 2009 £1,733,500 11.6% 8.7% Feb 2006 £1,132,500 13.5% 11.3% Aug 2004 £935,000 na na - Floor plan
-
Archived estate agent floor plan for Flat 4 12, Montagu Square.
- Internal area
- 162 square metres (1,744 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £18,209 per square metre (£1,692 per square foot) in Mar 2016. Indexed forward to today's value, this is roughly £17,664 per square metre (£1,641 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Mar 2016 £2,950,000 £18,210 £2,861,588 £17,664 Dec 2009 £1,733,500 £10,701 £3,036,948 £18,747 Feb 2006 £1,132,500 £6,991 £3,094,466 £19,102 Aug 2004 £935,000 £5,772 £2,692,195 £16,618 Calculated using the latest EPC internal area of 162 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 £2,861,588. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Marylebone are now selling for between £12,100 and £20,600 per square metre (£1,124 and £1,913 per square foot). Based on an internal area of 162 m², this implies a valuation between £1,960,000 and £3,337,000. 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
- na
- Type
- Flat
- Council tax band
- na
- Planning ref:
- January 2014 13/10899/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Erection of new retractable rooflight and installation of decking and replacement railings at roof level.
- Planning ref:
- January 2014 13/10900/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Erection of new retractable rooflight and installation of decking and replacement railings at roof level. Internal alterations.
- Planning ref:
- July 2013 13/04734/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Erection of a new retractable rooflight at roof level, installation of decking and railings and refurbishment to roof terrace with associated internal alterations.
- Planning ref:
- November 2011 11/08310/ADFULL
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Approval of details pursuant to Conditions 5 and 6 of planning permission dated 19 July 2011 (RN: 11/04142), namely Details of decking and roof access hatch and railings
- Planning ref:
- November 2011 11/08311/ADLBC
- Type:
- Discharge of conditions imposed on an existing application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Details of roof access hatch and railings and decking pursuant to Conditions 4 and 5 of planning permission dated 19 July 2011 (RN: 11/04143).
- Planning ref:
- July 2011 11/04142/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Erection of a new retractable window at roof level, installation of decking and railings and refurbishment to roof terrace with associated internal alterations.
- Planning ref:
- June 2005 05/03064/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Internal and external works including the removal of walls, joinery and the removal of lead roof for the creation of a roof level terrace with associated balustrading and reinstatement of rear window.
- Planning ref:
- June 2005 05/03084/FULL
- Type:
- Full and householder planning application
- Status:
- Application approved
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Formation of roof terrace on existing flat roof, removal of existing water tank enclosure and replacement with smaller relocated enclosure, and reinstatement of rear window.
- Planning ref:
- March 2005 04/08347/LBC
- Type:
- Heritage application - conservation issues and listed buildings
- Status:
- Application withdrawn before a decision was taken
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Internal works including the removal of walls, joinery and the removal of lead roof for the creation of a roof level terrace with associated balustrading.
- Planning ref:
- March 2005 05/00128/FULL
- Type:
- Full and householder planning application
- Status:
- Application withdrawn before a decision was taken
- Address:
- Flat 4 12 Montagu Square Londo
- Description:
- Creation of roof level terrace with associated railings.
- Summary:
- 19 October 2008 - energy performance certificate grade C
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 5 habitable rooms. Estimated year built before 1900
- Area:
- 162 sqm (1,744 square foot) total internal area
- Comments:
Flat 4 12 Montagu 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 £2,861,588.
- Based on an internal area of 162 m² and recent prices in Marylebone, this implies a lower and upper quartile range from £1,960,000 to £3,337,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.