25, Gwillim Close, DA15 9NQ

25 Gwillim Close is a 60 m² / 646 sq ft flat in Sidcup. It sold for £220,000 in October 2023. Indexed forward to today's value, that sale is roughly £218k. Recent local prices imply a broad valuation context of £305k to £375k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.

Property data
Sale history
£220,000 on Oct 2023
Internal area
60 square metres (646 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,666 per square metre (£341 per square foot) in Oct 2023. Indexed forward to today's value, this is roughly £3,633 per square metre (£338 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Oct 2023 £220,000 £3,667 £217,996 £3,633

Calculated using the latest EPC internal area of 60 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 £217,996. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Sidcup are now selling for between £5,080 and £6,250 per square metre (£471 and £580 per square foot). Based on an internal area of 60 m², this implies a valuation between £305,000 and £375,000. 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
C
EPC Inspections
Summary:
06 June 2014 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
1st floor flat in an apartment block with 1 storeys , has 3 habitable rooms. Estimated year built 1950 to 1966
Area:
60 sqm (646 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: (another dwelling above). Heating: Boiler and radiators, mains gas.
Frequently asked questions

25 Gwillim Close 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 £217,996.
  • Based on an internal area of 60 m² and recent prices in Sidcup, this implies a lower and upper quartile range from £305,000 to £375,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 25 Gwillim Close last sold for £220,000 in October 2023.

HouseMetric shows 25 Gwillim Close as 60 m² (646 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 C, from an inspection dated 06 June 2014. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 25 Gwillim Close was in council tax band C. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

25 Gwillim Close is in postcode DA15 9NQ, in Sidcup. You can also view HouseMetric's sold-price page for Gwillim Close, DA15 9NQ or analysis of the Sidcup property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 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.