Flat 3 18, Belsize Square, NW3 4HT
Flat 3 18 Belsize Square is a 147 m² / 1,582 sq ft flat in Belsize Park. It sold for £1,960,000 in January 2015. Indexed forward to today's value, that sale is roughly £1,746k. Recent local prices imply a broad valuation context of £1,477k to £1,914k 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 Jan 2015 £1,960,000 14.2% 11.6% Jun 2006 £625,000 13.1% 11.1% Aug 1996 £187,000 na na - Internal area
- 147 square metres (1,582 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £13,333 per square metre (£1,239 per square foot) in Jan 2015. Indexed forward to today's value, this is roughly £11,875 per square metre (£1,103 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jan 2015 £1,960,000 £13,333 £1,745,675 £11,875 Jun 2006 £625,000 £4,252 £1,166,856 £7,938 Aug 1996 £187,000 £1,272 £997,183 £6,784 Calculated using the latest EPC internal area of 147 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 £1,745,675. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Belsize Park are now selling for between £10,050 and £13,020 per square metre (£933 and £1,209 per square foot). Based on an internal area of 147 m², this implies a valuation between £1,477,000 and £1,914,000. 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
- na
- Type
- Flat
- Council tax band
- na
- Summary:
- 06 February 2026 - energy performance certificate grade C
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- 3rd floor flat on the top floor in an apartment block with 1 storeys , has 4 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 134 sqm (1,442 square foot) total internal area
- Comments:
- Walls: Sandstone, as built, no insulation (assumed). Roof: Roof room(s), no insulation (assumed). Heating: Boiler and radiators, mains gas.
- Summary:
- 02 October 2012 - energy performance certificate grade D
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Maisonette , has 5 habitable rooms. Estimated year built before 1900
- Area:
- 147 sqm (1,582 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Flat 3 18 Belsize Square 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 £1,745,675.
- Based on an internal area of 147 m² and recent prices in Belsize Park, this implies a lower and upper quartile range from £1,477,000 to £1,914,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.