3 Mortimer Square, London, W11 4BY - 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) / [Mortimer Square](/uk/london/mortimer-square) / [W11 4BY](/uk/london/mortimer-square/w11-4by) / 3 3 Mortimer Square, London, W11 4BY ================================== Flat / Maisonette 1,152 sq ft C EPC C 4 recorded sales [ Notting Dale ](https://percelio.com/uk/neighbourhood/notting-dale) 3 Mortimer Square, London, W11 4BY is a Flat / Maisonette home of about 1,152 sq ft in London, based on open property records. About this property This Flat / Maisonette home measures about 1,152 sq ft (107 sq m), holds an EPC C rating and dates from 1900-1929. Tenure is leasehold. It last sold for £269,950 in Jan 2002, about £234 per square foot. The property has 4 recorded sales since 1995. 3 Mortimer Square, London, W11 4BY sits on Mortimer Square in London, part of the Notting Dale 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 Flat / Maisonette Floor area 1,152 sq ft 107 sq m Energy rating EPC C Built England and Wales: 1900-1929 Habitable rooms 4 Price per sq ft £234 Tenure Leasehold Last sold £269,950 Last sold date Jan 2002 Recorded sales 4 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=W11+4BY&paon=3) [ Buying? Offer advice, £50 ](https://percelio.com/uk/start/offer_advice?postcode=W11+4BY&paon=3) Sold price history Date Sold price Tenure Type 10 Jan 2002 £269,950 Leasehold Existing 16 Jul 1999 £222,500 Leasehold Existing 6 Mar 1998 £165,000 Leasehold Existing 28 Jul 1995 £143,000 Leasehold Existing More on Mortimer Square [ 1A Mortimer Square, London, W11 4BY last sold Jul 2000 £190,000 ](/uk/london/mortimer-square/w11-4by/1a) [ 4 Mortimer Square, London, W11 4BY last sold Aug 2006 £477,500 ](/uk/london/mortimer-square/w11-4by/4) Similar Flat / Maisonette properties nearby [ 13 St Andrews Square, London, W11 1RH last sold Apr 2026 £710,000 ](/uk/london/st-andrews-square/w11-1rh/13) [ Flat 2 10 Colville Gardens, London, W11 2BB last sold Apr 2026 £870,000 ](/uk/london/colville-gardens/w11-2bb/flat-2-10) [ Flat 2 160 Portobello Road, London, W11 2EB last sold Apr 2026 £795,000 ](/uk/london/portobello-road/w11-2eb/flat-2-160) [ Flat 17 Chartwell House, 12 Ladbroke Terrace, London, W11 3PG last sold Apr 2026 £990,000 ](/uk/london/ladbroke-terrace/w11-3pg/flat-17-chartwell-house-12) [ Flat 10 Agnes House Henry Dickens Court, London, W11 4DF last sold Mar 2026 £470,000 ](/uk/london/henry-dickens-court/w11-4df/flat-10-agnes-house) [ Flat 51 Princes House, 52 Kensington Park Road, London, W11 3BN last sold Mar 2026 £600,000 ](/uk/london/kensington-park-road/w11-3bn/flat-51-princes-house-52) [ Flat D 22A St Anns Villas, London, W11 4RS last sold Mar 2026 £650,000 ](/uk/london/st-anns-villas/w11-4rs/flat-d-22a) [ Ground Floor Flat 162 Westbourne Park Road, London, W11 1BT last sold Mar 2026 £500,000 ](/uk/london/westbourne-park-road/w11-1bt/ground-floor-flat-162) ### Schools nearby - St Anne's & Avondale Park Nursery School Nursery - Avondale Park Primary School Primary - Saint Francis of Assisi Catholic Primary School Primary - Catch22 Include London Not applicable - Ormiston Latimer Academy Not applicable - St Clement and St James CofE Primary School Primary ### Air quality - Air quality data is unavailable for this location. ### Reported crime - All crimes reported 1537 - Violent Crime 363 - Anti Social Behaviour 356 - Shoplifting 255 - Other Theft 144 - 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