31, Observatory Road, SW14 7QB
31 Observatory Road is a 161 m² / 1,733 sq ft terraced home in Mortlake. It sold for £1,200,000 in April 2018. Indexed forward to today's value, that sale is roughly £1,248k. Recent local prices imply a broad valuation context of £1,170k to £1,658k 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 Apr 2018 £1,200,000 5.7% 3.5% Oct 2010 £795,000 5.9% 3.3% Jun 2005 £585,000 na na - Floor plan
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Archived estate agent floor plan for 31, Observatory Road.
- Internal area
- 161 square metres (1,733 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £7,453 per square metre (£692 per square foot) in Apr 2018. Indexed forward to today's value, this is roughly £7,753 per square metre (£720 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Apr 2018 £1,200,000 £7,453 £1,248,209 £7,753 Oct 2010 £795,000 £4,938 £1,324,844 £8,229 Jun 2005 £585,000 £3,634 £1,319,349 £8,195 Calculated using the latest EPC internal area of 161 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 £1,248,209. 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 161 m², this implies a valuation between £1,170,000 and £1,658,000. 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
- 4
- Type
- Terrace
- Council tax band
- G
- Plot size
- 186 square metres (2,002 square feet) - map showing freehold boundary lines
- Planning ref:
- August 2021 21/2575/PS192
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application approved
- Address:
- 31 Observatory Road East Sheen London
- Description:
- Hip to gable and rear dormer roof extension. 3 rooflights on front roof slope.
- Summary:
- 08 July 2010 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Marketed sale
- Tenure:
- Unknown
- Property type:
- Semi-Detached House , has 7 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 161 sqm (1,733 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
31 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 £1,248,209.
- Based on an internal area of 161 m² and recent prices in Mortlake, this implies a lower and upper quartile range from £1,170,000 to £1,658,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.