11 Keylands House, Union Lane, TW7 6GL

11 Keylands House Union Lane is a 66 m² / 710 sq ft flat in Isleworth. It sold for £355,000 in May 2019. Indexed forward to today's value, that sale is roughly £387k. Recent local prices imply a broad valuation context of £368k to £467k 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
May 2019 £355,000 4.2% 2.0%
Jan 2010 New build New £242,950 na na
Floor plan

Archived estate agent floor plan for 11 Keylands House, Union Lane.

Floorplan Keylands House
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Internal area
66 square metres (710 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,378 per square metre (£500 per square foot) in May 2019. Indexed forward to today's value, this is roughly £5,861 per square metre (£544 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
May 2019 £355,000 £5,379 £386,822 £5,861
Jan 2010 £242,950 £3,681 £282,319 £4,278

Calculated using the latest EPC internal area of 66 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 £386,822. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Isleworth are now selling for between £5,580 and £7,080 per square metre (£518 and £657 per square foot). Based on an internal area of 66 m², this implies a valuation between £368,000 and £467,000. 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
D
Archived listings
History:
Archived sales listing for 11 Keylands House Union Lane. Advertised on multiple portals. It was added on 29/11/2018. It last appeared Apr 2019.
Photos:

There are 6 archived estate agent listing photos for 11 Keylands House Union Lane.

Photos for Keylands House Union Lane
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Advertiser remarks:
  • 2 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
20 October 2009 - energy performance certificate grade C
Reason for EPC:
None
Tenure:
Unknown
Property type:
None Estimated year built None to None
Area:
66 sqm (710 square foot) total internal area
Comments:
Frequently asked questions

11 Keylands House Union Lane 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 £386,822.
  • Based on an internal area of 66 m² and recent prices in Isleworth, this implies a lower and upper quartile range from £368,000 to £467,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 11 Keylands House Union Lane last sold for £355,000 in May 2019.

HouseMetric shows 11 Keylands House Union Lane as 66 m² (710 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 20 October 2009. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 11 Keylands House Union Lane was in council tax band D. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

11 Keylands House Union Lane is in postcode TW7 6GL, in Isleworth. You can also view HouseMetric's sold-price page for Union Lane, TW7 6GL or analysis of the Isleworth 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.