1 Belsize Square, London, NW3 4HT - sold prices & valuation | Percelio + + + 52°22′N 4°53′E [ Percelio ](/) [House valuation](https://percelio.com/uk/house-valuation) [Offer advice](https://percelio.com/uk/offer-advice) [House prices](https://percelio.com/uk/house-prices) [Knowledge](https://percelio.com/uk/knowledge) [ Get a valuation ](https://percelio.com/uk/start/valuation) [House valuation](https://percelio.com/uk/house-valuation) [Offer advice](https://percelio.com/uk/offer-advice) [House prices](https://percelio.com/uk/house-prices) [Knowledge](https://percelio.com/uk/knowledge) [ Get a valuation ](https://percelio.com/uk/start/valuation) + + + + [Home](/uk) / [London](/uk/london) / [Belsize Square](/uk/london/belsize-square) / [NW3 4HT](/uk/london/belsize-square/nw3-4ht) / 1 1 Belsize Square, London, NW3 4HT ================================= Semi-detached 409 sq ft D EPC D 3 recorded sales [ Belsize Park ](https://percelio.com/uk/neighbourhood/belsize-park) 1 Belsize Square, London, NW3 4HT is a Semi-detached home of about 409 sq ft in London, based on open property records. About this property This Semi-detached home measures about 409 sq ft (38 sq m), holds an EPC D rating and dates from before 1900. Tenure is freehold. It last sold for £5,000,000 in Dec 2009, about £12,224 per square foot. The property has 3 recorded sales since 1998. 1 Belsize Square, London, NW3 4HT sits on Belsize Square in London, part of the Belsize Park area. This page shows open records only. A valuation estimates what this home is worth today from its sale history, floor area and comparable local sales. Property facts Type Semi-detached Floor area 409 sq ft 38 sq m Energy rating EPC D Built England and Wales: before 1900 Habitable rooms 2 Price per sq ft £12,224 Tenure Freehold Last sold £5,000,000 Last sold date Dec 2009 Recorded sales 3 What is this home worth today? ------------------------------ Get a data-backed valuation for this property: an estimated market value with a low-to-high range, the comparable sales behind it, and price per sq ft indexed to today with the UK House Price Index. [ Get a valuation, £29 ](https://percelio.com/uk/start/valuation?postcode=NW3+4HT&paon=1) [ Buying? Offer advice, £50 ](https://percelio.com/uk/start/offer_advice?postcode=NW3+4HT&paon=1) Sold price history Date Sold price Tenure Type 10 Dec 2009 £5,000,000 Freehold Existing 29 Jun 2001 £1,400,000 Freehold Existing 15 Oct 1998 £340,000 Freehold Existing More on Belsize Square [ 3C Belsize Square, London, NW3 4HT last sold Oct 2007 £317,500 ](/uk/london/belsize-square/nw3-4ht/3c) [ 4E Belsize Square, London, NW3 4HT last sold Mar 2022 £519,000 ](/uk/london/belsize-square/nw3-4ht/4e) [ Flat 2 5 Belsize Square, London, NW3 4HT last sold Oct 2023 £780,000 ](/uk/london/belsize-square/nw3-4ht/flat-2-5) [ Flat 3 5 Belsize Square, London, NW3 4HT last sold Jun 2003 £168,000 ](/uk/london/belsize-square/nw3-4ht/flat-3-5) [ Flat 4 5 Belsize Square, London, NW3 4HT last sold Mar 2017 £1,150,000 ](/uk/london/belsize-square/nw3-4ht/flat-4-5) [ Flat 1 6 Belsize Square, London, NW3 4HT last sold Oct 2006 £600,500 ](/uk/london/belsize-square/nw3-4ht/flat-1-6) [ Top Flat 6 Belsize Square, London, NW3 4HT last sold Dec 2013 £1,620,000 ](/uk/london/belsize-square/nw3-4ht/top-flat-6) [ Flat 2 6 Belsize Square, London, NW3 4HT last sold Aug 1998 £165,000 ](/uk/london/belsize-square/nw3-4ht/flat-2-6) [ Flat 3 6 Belsize Square, London, NW3 4HT last sold May 2003 £238,000 ](/uk/london/belsize-square/nw3-4ht/flat-3-6) [ Flat 1 8 Belsize Square, London, NW3 4HT last sold Jul 1999 £560,000 ](/uk/london/belsize-square/nw3-4ht/flat-1-8) [ Flat 2 8 Belsize Square, London, NW3 4HT last sold Jul 2000 £282,000 ](/uk/london/belsize-square/nw3-4ht/flat-2-8) [ Flat 3 8 Belsize Square, London, NW3 4HT last sold Apr 2001 £225,000 ](/uk/london/belsize-square/nw3-4ht/flat-3-8) Similar Semi-detached properties nearby [ 39 Roderick Road, London, NW3 2NP last sold Apr 2026 £3,600,000 ](/uk/london/roderick-road/nw3-2np/39) [ 47D Netherhall Gardens, London, NW3 5RJ last sold Mar 2026 £3,550,000 ](/uk/london/netherhall-gardens/nw3-5rj/47d) [ 13 Well Walk, London, NW3 1BY last sold Mar 2026 £6,800,000 ](/uk/london/well-walk/nw3-1by/13) [ 34 Ferncroft Avenue, London, NW3 7PE last sold Feb 2026 £6,000,000 ](/uk/london/ferncroft-avenue/nw3-7pe/34) [ 20 Hollycroft Avenue, London, NW3 7QL last sold Jan 2026 £6,800,000 ](/uk/london/hollycroft-avenue/nw3-7ql/20) [ 18 Eldon Grove, London, NW3 5PT last sold Jan 2026 £1,742,000 ](/uk/london/eldon-grove/nw3-5pt/18) [ 15 Keats Grove, London, NW3 2RS last sold Oct 2025 £5,000,000 ](/uk/london/keats-grove/nw3-2rs/15) [ 579 Finchley Road, London, NW3 7BS last sold Oct 2025 £1,600,000 ](/uk/london/finchley-road/nw3-7bs/579) ### Schools nearby - Hereward House School Not applicable - The Hall School Not applicable - Trevor-Roberts School Not applicable - Central School of Speech and Drama Not applicable - St Christopher's School Not applicable - Gloucester House, The Tavistock Children's Day Unit Not applicable ### Air quality - Air quality data is unavailable for this location. ### Reported crime - All crimes reported 921 - Anti Social Behaviour 247 - Violent Crime 218 - Other Theft 104 - Theft From The Person 75 - All categories, within ~1 mile, May 2026 (police.uk). A count, not a risk rating. ### Flood risk - Flood warning area nearby [ Thinking of buying? Get offer advice ](https://percelio.com/uk/start/offer_advice) [Percelio](/)Know what a home is really worth. Instant, data-backed house valuations and offer advice for England, built on open property data. Reports - [House valuation, £40](https://percelio.com/uk/house-valuation) - [Offer advice, £50](https://percelio.com/uk/offer-advice) Built on open data - HM Land Registry Price Paid Data - EPC register floor areas - UK House Price Index © 2026 Percelio. All rights reserved. | A data-driven estimate, not a formal RICS valuation. 51°30′N 0°07′W