21, Observatory Road, SW14 7QB
21 Observatory Road is a 129 m² / 1,389 sq ft terraced home in Mortlake. It sold for £1,200,000 in August 2019. Indexed forward to today's value, that sale is roughly £1,284k. Recent local prices imply a broad valuation context of £938k to £1,329k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.
- Sale history
-
Date Paid price Annual growth After inflation Aug 2019 £1,200,000 1.5% -0.1% Oct 2013 £1,100,000 5.6% 2.7% Jan 2008 £800,000 15.7% 13.2% Aug 2005 £565,000 na na - Floor plan
-
Archived estate agent floor plan for 21, Observatory Road.
- Internal area
- 129 square metres (1,389 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £9,302 per square metre (£864 per square foot) in Aug 2019. Indexed forward to today's value, this is roughly £9,956 per square metre (£925 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Aug 2019 £1,200,000 £9,302 £1,284,291 £9,956 Oct 2013 £1,100,000 £8,527 £1,209,963 £9,380 Jan 2008 £800,000 £6,202 £1,279,864 £9,921 Aug 2005 £565,000 £4,380 £1,323,088 £10,256 Calculated using the latest EPC internal area of 129 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 £1,284,291. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Mortlake are now selling for between £7,270 and £10,300 per square metre (£675 and £956 per square foot). Based on an internal area of 129 m², this implies a valuation between £938,000 and £1,329,000. 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
- 3
- Type
- Terrace
- Council tax band
- G
- Plot size
- 178 square metres (1,916 square feet) - map showing freehold boundary lines
- Summary:
- 05 July 2023 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 6 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 129 sqm (1,389 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 50 mm loft insulation. Heating: Boiler and radiators, mains gas.
- Summary:
- 04 June 2013 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Mid-Terrace House , has 6 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 129 sqm (1,389 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation. Heating: Boiler and radiators, mains gas.
21 Observatory Road 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 £1,284,291.
- Based on an internal area of 129 m² and recent prices in Mortlake, this implies a lower and upper quartile range from £938,000 to £1,329,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.