11 Sonata House, Lock Approach, PO6 4UZ
11 Sonata House Lock Approach is a 71 m² / 764 sq ft flat in Portsmouth. It sold for £290,000 in December 2003. Indexed forward to today's value, that sale is roughly £439k. Recent local prices imply a broad valuation context of £192k to £275k 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 Dec 2003 £290,000 9.7% 8.1% Sep 2000 New build New £215,000 na na - Internal area
- 71 square metres (764 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £4,084 per square metre (£379 per square foot) in Dec 2003. Indexed forward to today's value, this is roughly £6,178 per square metre (£574 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Dec 2003 £290,000 £4,085 £438,618 £6,178 Sep 2000 £215,000 £3,028 £415,658 £5,854 Calculated using the latest EPC internal area of 71 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 £438,618. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Portsmouth are now selling for between £2,700 and £3,880 per square metre (£250 and £360 per square foot). Based on an internal area of 71 m², this implies a valuation between £192,000 and £275,000. 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
- 2
- Type
- Flat
- Council tax band
- F
- Summary:
- 05 April 2018 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Rental
- Tenure:
- Private rental
- Property type:
- 3rd floor flat on the top floor in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built 1996 to 2002
- Area:
- 71 sqm (764 square foot) total internal area
- Comments:
- Walls: System built, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, electric.
- Summary:
- 06 October 2008 - energy performance certificate grade E
- Reason for EPC:
- None
- Tenure:
- Owner-occupied
- Property type:
- None , has 3 habitable rooms. Estimated year built 1996 to 2002
- Area:
- 89 sqm (958 square foot) total internal area
- Comments:
11 Sonata House Lock Approach 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 £438,618.
- Based on an internal area of 71 m² and recent prices in Portsmouth, this implies a lower and upper quartile range from £192,000 to £275,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.