1 Sonata House, Lock Approach, PO6 4UZ

1 Sonata House Lock Approach is a 75 m² / 807 sq ft flat in Portsmouth. It sold for £296,000 in June 2015. Indexed forward to today's value, that sale is roughly £346k. Recent local prices imply a broad valuation context of £202k to £291k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Jun 2015 £296,000 0.9% -1.4%
Dec 2006 £275,000 5.1% 2.2%
Jan 2005 £250,000 5.5% 4.0%
Mar 2002 £215,000 2.8% 1.5%
Jun 2000 £205,000 na na
Internal area
75 square metres (807 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,946 per square metre (£367 per square foot) in Jun 2015. Indexed forward to today's value, this is roughly £4,619 per square metre (£429 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jun 2015 £296,000 £3,947 £346,412 £4,619
Dec 2006 £275,000 £3,667 £343,735 £4,583
Jan 2005 £250,000 £3,333 £335,367 £4,472
Mar 2002 £215,000 £2,867 £453,589 £6,048
Jun 2000 £205,000 £2,733 £570,409 £7,605

Calculated using the latest EPC internal area of 75 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 £346,412. 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 75 m², this implies a valuation between £202,000 and £291,000. 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
Archived listings
History:
Archived rental listing for 1 Sonata House Lock Approach. Advertised on multiple portals. It was . It last appeared Oct 2006.
Photos:

There are 22 archived estate agent listing photos for 1 Sonata House Lock Approach.

Photos for Sonata House Lock Approach
View photos
Advertiser remarks:
  • 2 bedrooms
EPC Inspections
Summary:
17 December 2014 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
1st floor flat in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built 1996 to 2002
Area:
75 sqm (807 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: (another dwelling above). Heating: Boiler and radiators, electric.
Frequently asked questions

1 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 £346,412.
  • Based on an internal area of 75 m² and recent prices in Portsmouth, this implies a lower and upper quartile range from £202,000 to £291,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 Sonata House Lock Approach last sold for £296,000 in June 2015.

HouseMetric shows 1 Sonata House Lock Approach as 75 m² (807 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 2 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 17 December 2014. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 Sonata House Lock Approach was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 Sonata House Lock Approach is in postcode PO6 4UZ, in Portsmouth. You can also view HouseMetric's sold-price page for Lock Approach, PO6 4UZ or analysis of the Portsmouth property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.