3 The Triangle, Sidcup, DA15 8LT - 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) / [Sidcup](/uk/sidcup) / [The Triangle](/uk/sidcup/the-triangle) / [DA15 8LT](/uk/sidcup/the-triangle/da15-8lt) / 3 3 The Triangle, Sidcup, DA15 8LT ================================ Flat / Maisonette 3 recorded sales [ Blackfen ](https://percelio.com/uk/neighbourhood/blackfen) Property facts Type Flat / Maisonette Tenure Leasehold Last sold £88,000 Last sold date Nov 2001 Recorded sales 3 Energy rating, floor area and build year come from the EPC register and appear once this property has a certificate on record. 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=DA15+8LT&paon=3) [ Buying? Offer advice, £50 ](https://percelio.com/uk/start/offer_advice?postcode=DA15+8LT&paon=3) Sold price history Date Sold price Tenure Type 9 Nov 2001 £88,000 Leasehold Existing 1 Jul 1999 £62,000 Leasehold Existing 12 Sep 1997 £54,500 Leasehold Existing More on The Triangle [ 1 The Triangle, Sidcup, DA15 8LT last sold Dec 2000 £73,500 ](/uk/sidcup/the-triangle/da15-8lt/1) [ 2 The Triangle, Sidcup, DA15 8LT last sold Feb 2021 £258,000 ](/uk/sidcup/the-triangle/da15-8lt/2) [ 4 The Triangle, Sidcup, DA15 8LT last sold Nov 2018 £260,000 ](/uk/sidcup/the-triangle/da15-8lt/4) [ 5 The Triangle, Sidcup, DA15 8LT last sold Nov 1996 £24,000 ](/uk/sidcup/the-triangle/da15-8lt/5) [ 6 The Triangle, Sidcup, DA15 8LT last sold Dec 2006 £145,000 ](/uk/sidcup/the-triangle/da15-8lt/6) Similar Flat / Maisonette properties nearby [ Flat 9 Vinson Court Hurst Road, Sidcup, DA15 9AB last sold Mar 2026 £252,000 ](/uk/sidcup/hurst-road/da15-9ab/flat-9-vinson-court) [ 6 Stanton Court Longlands Road, Sidcup, DA15 7JZ last sold Mar 2026 £320,000 ](/uk/sidcup/longlands-road/da15-7jz/6-stanton-court) [ Flat 16 Glen Court, 8 Station Road, Sidcup, DA15 7JU last sold Mar 2026 £112,500 ](/uk/sidcup/station-road/da15-7ju/flat-16-glen-court-8) [ 82 Park Mead, Sidcup, DA15 9PF last sold Mar 2026 £280,000 ](/uk/sidcup/park-mead/da15-9pf/82) [ Flat 2 Chailey Court Chailey Close, Sidcup, DA15 9BE last sold Mar 2026 £322,000 ](/uk/sidcup/chailey-close/da15-9be/flat-2-chailey-court) [ Flat 1, 278A Sherwood Park Avenue, Sidcup, DA15 9JN last sold Feb 2026 £240,000 ](/uk/sidcup/sherwood-park-avenue/da15-9jn/flat-1-278a) [ 75 Manor Road, Sidcup, DA15 7HU last sold Feb 2026 £325,000 ](/uk/sidcup/manor-road/da15-7hu/75) [ 11 Parish Gate Drive, Sidcup, DA15 8TJ last sold Feb 2026 £240,000 ](/uk/sidcup/parish-gate-drive/da15-8tj/11) ### Schools nearby - Marlborough School Not applicable - Days Lane Primary School Primary - Chatsworth Infant School Primary - Sherwood Park Primary School Primary - Our Lady of the Rosary Catholic Primary School Primary - Blackfen School for Girls Secondary ### Air quality - Air quality indexPoor (65) - NO₂5.6 µg/m³ - PM2.517.1 µg/m³ ### Reported crime - All crimes reported 167 - Anti Social Behaviour 44 - Violent Crime 43 - Vehicle Crime 17 - Criminal Damage Arson 14 - All categories, within ~1 mile, April 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