{
  "url": "https://openproperties.uk/sw1x/chesham-street",
  "outcode": "SW1X",
  "street": "CHESHAM STREET",
  "street_slug": "chesham-street",
  "property_count": 76,
  "truncated": false,
  "properties": [
    {
      "paon": "APARTMENT 4, 33",
      "saon": null,
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2023-03-06",
      "last_sale_date": "2023-03-06",
      "last_price": 6850000,
      "url": "https://openproperties.uk/sw1x/chesham-street/apartment-4-33"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 2A",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2023-06-01",
      "last_sale_date": "2023-06-01",
      "last_price": 500000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-2a"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 2B",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2017-10-02",
      "last_sale_date": "2017-10-02",
      "last_price": 956291,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-2b"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 3",
      "postcode": "SW1X 8NG",
      "sale_count": 5,
      "first_sale_date": "2003-12-23",
      "last_sale_date": "2013-05-03",
      "last_price": 1360000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-3"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 4",
      "postcode": "SW1X 8NG",
      "sale_count": 2,
      "first_sale_date": "2005-02-01",
      "last_sale_date": "2014-05-28",
      "last_price": 1030000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-4"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 5",
      "postcode": "SW1X 8NG",
      "sale_count": 3,
      "first_sale_date": "1998-03-02",
      "last_sale_date": "2012-01-17",
      "last_price": 1675000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-5"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 6",
      "postcode": "SW1X 8NG",
      "sale_count": 3,
      "first_sale_date": "2000-12-21",
      "last_sale_date": "2004-04-19",
      "last_price": 445600,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-6"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 9",
      "postcode": "SW1X 8NG",
      "sale_count": 3,
      "first_sale_date": "2001-09-03",
      "last_sale_date": "2007-06-27",
      "last_price": 1750000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-9"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 10",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2011-05-17",
      "last_sale_date": "2011-05-17",
      "last_price": 1290000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-10"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 12",
      "postcode": "SW1X 8NG",
      "sale_count": 2,
      "first_sale_date": "1999-11-30",
      "last_sale_date": "2021-12-15",
      "last_price": 1515000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-12"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 16",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2021-11-30",
      "last_sale_date": "2021-11-30",
      "last_price": 1050000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-16"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 17",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2022-08-04",
      "last_sale_date": "2022-08-04",
      "last_price": 3625000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-17"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 26",
      "postcode": "SW1X 8NG",
      "sale_count": 3,
      "first_sale_date": "2000-12-18",
      "last_sale_date": "2025-03-31",
      "last_price": 2603616,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-26"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 28",
      "postcode": "SW1X 8NG",
      "sale_count": 4,
      "first_sale_date": "2002-09-30",
      "last_sale_date": "2002-12-20",
      "last_price": 1050000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-28"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 29",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2026-01-22",
      "last_sale_date": "2026-01-22",
      "last_price": 2027692,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-29"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 30",
      "postcode": "SW1X 8NG",
      "sale_count": 7,
      "first_sale_date": "1995-11-10",
      "last_sale_date": "2021-03-09",
      "last_price": 2950000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-30"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 32",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2013-10-29",
      "last_sale_date": "2013-10-29",
      "last_price": 3200000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-32"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 36",
      "postcode": "SW1X 8NG",
      "sale_count": 1,
      "first_sale_date": "2016-09-29",
      "last_sale_date": "2016-09-29",
      "last_price": 2600000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-36"
    },
    {
      "paon": "CHALFONT HOUSE, 19 - 21",
      "saon": "FLAT 37",
      "postcode": "SW1X 8NG",
      "sale_count": 2,
      "first_sale_date": "2006-12-21",
      "last_sale_date": "2010-12-22",
      "last_price": 3100000,
      "url": "https://openproperties.uk/sw1x/chesham-street/chalfont-house-19-21/flat-37"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "1",
      "postcode": "SW1X 8NE",
      "sale_count": 1,
      "first_sale_date": "2003-01-31",
      "last_sale_date": "2003-01-31",
      "last_price": 960000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/1"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "2",
      "postcode": "SW1X 8NE",
      "sale_count": 3,
      "first_sale_date": "2003-03-14",
      "last_sale_date": "2010-03-05",
      "last_price": 1900000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/2"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "4",
      "postcode": "SW1X 8NE",
      "sale_count": 1,
      "first_sale_date": "1999-08-09",
      "last_sale_date": "1999-08-09",
      "last_price": 335000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/4"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "5",
      "postcode": "SW1X 8NE",
      "sale_count": 1,
      "first_sale_date": "2003-07-31",
      "last_sale_date": "2003-07-31",
      "last_price": 1350000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/5"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "6",
      "postcode": "SW1X 8NE",
      "sale_count": 1,
      "first_sale_date": "2004-10-01",
      "last_sale_date": "2004-10-01",
      "last_price": 1400000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/6"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "FLAT 1",
      "postcode": "SW1X 8NE",
      "sale_count": 1,
      "first_sale_date": "2020-12-21",
      "last_sale_date": "2020-12-21",
      "last_price": 2400000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/flat-1"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "FLAT 4",
      "postcode": "SW1X 8NE",
      "sale_count": 2,
      "first_sale_date": "2019-12-16",
      "last_sale_date": "2022-05-26",
      "last_price": 2300000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/flat-4"
    },
    {
      "paon": "PEMBROKE HOUSE, 7 - 9",
      "saon": "THE PENTHOUSE",
      "postcode": "SW1X 8NE",
      "sale_count": 2,
      "first_sale_date": "2001-06-07",
      "last_sale_date": "2006-08-03",
      "last_price": 6365000,
      "url": "https://openproperties.uk/sw1x/chesham-street/pembroke-house-7-9/the-penthouse"
    },
    {
      "paon": "1",
      "saon": null,
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "1997-04-11",
      "last_sale_date": "2000-01-14",
      "last_price": 2950000,
      "url": "https://openproperties.uk/sw1x/chesham-street/1"
    },
    {
      "paon": "4",
      "saon": "FLAT 1",
      "postcode": "SW1X 8DT",
      "sale_count": 2,
      "first_sale_date": "1997-04-28",
      "last_sale_date": "2017-01-20",
      "last_price": 1195000,
      "url": "https://openproperties.uk/sw1x/chesham-street/4/flat-1"
    },
    {
      "paon": "4",
      "saon": "FLAT 2",
      "postcode": "SW1X 8DT",
      "sale_count": 3,
      "first_sale_date": "2004-09-07",
      "last_sale_date": "2016-03-31",
      "last_price": 1440000,
      "url": "https://openproperties.uk/sw1x/chesham-street/4/flat-2"
    },
    {
      "paon": "4",
      "saon": "FLAT 4",
      "postcode": "SW1X 8DT",
      "sale_count": 4,
      "first_sale_date": "1996-09-06",
      "last_sale_date": "2021-09-23",
      "last_price": 1080000,
      "url": "https://openproperties.uk/sw1x/chesham-street/4/flat-4"
    },
    {
      "paon": "4",
      "saon": "FLAT 5",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2015-07-15",
      "last_sale_date": "2015-07-15",
      "last_price": 1125000,
      "url": "https://openproperties.uk/sw1x/chesham-street/4/flat-5"
    },
    {
      "paon": "4A",
      "saon": null,
      "postcode": "SW1X 8DT",
      "sale_count": 4,
      "first_sale_date": "1996-02-16",
      "last_sale_date": "2024-09-20",
      "last_price": 1995000,
      "url": "https://openproperties.uk/sw1x/chesham-street/4a"
    },
    {
      "paon": "5",
      "saon": null,
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2001-09-20",
      "last_sale_date": "2006-03-13",
      "last_price": 6145109,
      "url": "https://openproperties.uk/sw1x/chesham-street/5"
    },
    {
      "paon": "8",
      "saon": null,
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2016-10-21",
      "last_sale_date": "2016-10-21",
      "last_price": 350000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8"
    },
    {
      "paon": "8",
      "saon": "FLAT 1",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2024-01-24",
      "last_sale_date": "2024-01-24",
      "last_price": 1000000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-1"
    },
    {
      "paon": "8",
      "saon": "FLAT 2",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2011-05-25",
      "last_sale_date": "2011-05-25",
      "last_price": 1150000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-2"
    },
    {
      "paon": "8",
      "saon": "FLAT 3",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2009-09-25",
      "last_sale_date": "2009-09-25",
      "last_price": 1300000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-3"
    },
    {
      "paon": "8",
      "saon": "FLAT 4",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2017-01-06",
      "last_sale_date": "2017-01-06",
      "last_price": 1575000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-4"
    },
    {
      "paon": "8",
      "saon": "FLAT 5",
      "postcode": "SW1X 8DT",
      "sale_count": 5,
      "first_sale_date": "1998-10-23",
      "last_sale_date": "2016-07-29",
      "last_price": 2050000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-5"
    },
    {
      "paon": "8",
      "saon": "FLAT 6",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "1999-08-20",
      "last_sale_date": "1999-08-20",
      "last_price": 307000,
      "url": "https://openproperties.uk/sw1x/chesham-street/8/flat-6"
    },
    {
      "paon": "10",
      "saon": "1",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2002-05-08",
      "last_sale_date": "2002-05-08",
      "last_price": 1575000,
      "url": "https://openproperties.uk/sw1x/chesham-street/10/1"
    },
    {
      "paon": "10",
      "saon": "FLAT 2",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2002-12-19",
      "last_sale_date": "2002-12-19",
      "last_price": 892500,
      "url": "https://openproperties.uk/sw1x/chesham-street/10/flat-2"
    },
    {
      "paon": "10",
      "saon": "FLAT 3",
      "postcode": "SW1X 8DT",
      "sale_count": 2,
      "first_sale_date": "2003-07-28",
      "last_sale_date": "2006-08-02",
      "last_price": 998000,
      "url": "https://openproperties.uk/sw1x/chesham-street/10/flat-3"
    },
    {
      "paon": "10",
      "saon": "FLAT 4",
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2003-06-24",
      "last_sale_date": "2003-06-24",
      "last_price": 1637500,
      "url": "https://openproperties.uk/sw1x/chesham-street/10/flat-4"
    },
    {
      "paon": "11",
      "saon": "FLAT 2",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2002-04-23",
      "last_sale_date": "2002-04-23",
      "last_price": 535000,
      "url": "https://openproperties.uk/sw1x/chesham-street/11/flat-2"
    },
    {
      "paon": "11",
      "saon": "FLAT 4",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2007-12-11",
      "last_sale_date": "2007-12-11",
      "last_price": 920000,
      "url": "https://openproperties.uk/sw1x/chesham-street/11/flat-4"
    },
    {
      "paon": "12",
      "saon": null,
      "postcode": "SW1X 8DT",
      "sale_count": 1,
      "first_sale_date": "2002-01-16",
      "last_sale_date": "2002-01-16",
      "last_price": 750000,
      "url": "https://openproperties.uk/sw1x/chesham-street/12"
    },
    {
      "paon": "13",
      "saon": null,
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2025-03-18",
      "last_sale_date": "2025-03-18",
      "last_price": 90000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 1",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2018-08-24",
      "last_sale_date": "2018-08-24",
      "last_price": 1901000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-1"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 4",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2023-09-29",
      "last_sale_date": "2023-09-29",
      "last_price": 1125000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-4"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 5",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2021-11-12",
      "last_sale_date": "2022-10-05",
      "last_price": 1875000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-5"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 6",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2019-07-03",
      "last_sale_date": "2025-02-11",
      "last_price": 2700000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-6"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 7",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2001-01-16",
      "last_sale_date": "2001-01-16",
      "last_price": 432500,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-7"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 9",
      "postcode": "SW1X 8ND",
      "sale_count": 3,
      "first_sale_date": "2006-06-13",
      "last_sale_date": "2024-12-19",
      "last_price": 1200000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-9"
    },
    {
      "paon": "13 - 15",
      "saon": "FLAT 12",
      "postcode": "SW1X 8ND",
      "sale_count": 4,
      "first_sale_date": "1999-07-26",
      "last_sale_date": "2014-12-18",
      "last_price": 1475000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13-15/flat-12"
    },
    {
      "paon": "13",
      "saon": "FLAT 8",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "1996-12-06",
      "last_sale_date": "1996-12-06",
      "last_price": 252500,
      "url": "https://openproperties.uk/sw1x/chesham-street/13/flat-8"
    },
    {
      "paon": "13",
      "saon": "FLAT 10",
      "postcode": "SW1X 8ND",
      "sale_count": 3,
      "first_sale_date": "2006-03-07",
      "last_sale_date": "2016-01-29",
      "last_price": 2150000,
      "url": "https://openproperties.uk/sw1x/chesham-street/13/flat-10"
    },
    {
      "paon": "15",
      "saon": "FLAT 2",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2002-05-08",
      "last_sale_date": "2012-04-27",
      "last_price": 787000,
      "url": "https://openproperties.uk/sw1x/chesham-street/15/flat-2"
    },
    {
      "paon": "15",
      "saon": "FLAT 11",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2011-03-22",
      "last_sale_date": "2015-09-28",
      "last_price": 1408000,
      "url": "https://openproperties.uk/sw1x/chesham-street/15/flat-11"
    },
    {
      "paon": "15",
      "saon": "FLAT 12A",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "2000-04-19",
      "last_sale_date": "2012-12-21",
      "last_price": 1210000,
      "url": "https://openproperties.uk/sw1x/chesham-street/15/flat-12a"
    },
    {
      "paon": "17",
      "saon": "BASEMENT FLAT B",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2003-03-10",
      "last_sale_date": "2003-03-10",
      "last_price": 230000,
      "url": "https://openproperties.uk/sw1x/chesham-street/17/basement-flat-b"
    },
    {
      "paon": "17",
      "saon": "FLAT 2",
      "postcode": "SW1X 8NE",
      "sale_count": 3,
      "first_sale_date": "2004-09-07",
      "last_sale_date": "2023-02-20",
      "last_price": 2000000,
      "url": "https://openproperties.uk/sw1x/chesham-street/17/flat-2"
    },
    {
      "paon": "17",
      "saon": "FLAT 4",
      "postcode": "SW1X 8ND",
      "sale_count": 1,
      "first_sale_date": "2016-02-22",
      "last_sale_date": "2016-02-22",
      "last_price": 1017500,
      "url": "https://openproperties.uk/sw1x/chesham-street/17/flat-4"
    },
    {
      "paon": "17",
      "saon": "FLAT 5",
      "postcode": "SW1X 8ND",
      "sale_count": 2,
      "first_sale_date": "1997-11-21",
      "last_sale_date": "2002-02-01",
      "last_price": 335000,
      "url": "https://openproperties.uk/sw1x/chesham-street/17/flat-5"
    },
    {
      "paon": "23",
      "saon": null,
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2003-06-25",
      "last_sale_date": "2003-06-25",
      "last_price": 3500000,
      "url": "https://openproperties.uk/sw1x/chesham-street/23"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 1",
      "postcode": "SW1X 8NQ",
      "sale_count": 3,
      "first_sale_date": "2003-09-26",
      "last_sale_date": "2020-09-25",
      "last_price": 13000000,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-1"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 2",
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2003-08-22",
      "last_sale_date": "2003-08-22",
      "last_price": 978750,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-2"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 3",
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2003-08-22",
      "last_sale_date": "2003-08-22",
      "last_price": 1816250,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-3"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 4",
      "postcode": "SW1X 8NQ",
      "sale_count": 2,
      "first_sale_date": "2003-12-18",
      "last_sale_date": "2013-09-13",
      "last_price": 2250000,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-4"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 5",
      "postcode": "SW1X 8NQ",
      "sale_count": 2,
      "first_sale_date": "2003-12-18",
      "last_sale_date": "2013-09-13",
      "last_price": 9000000,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-5"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 6",
      "postcode": "SW1X 8NQ",
      "sale_count": 3,
      "first_sale_date": "2003-06-25",
      "last_sale_date": "2024-12-20",
      "last_price": 7950000,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-6"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 7",
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2003-09-26",
      "last_sale_date": "2003-09-26",
      "last_price": 2472500,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-7"
    },
    {
      "paon": "25 - 29",
      "saon": "FLAT 8",
      "postcode": "SW1X 8NQ",
      "sale_count": 2,
      "first_sale_date": "2003-12-01",
      "last_sale_date": "2013-11-18",
      "last_price": 6250000,
      "url": "https://openproperties.uk/sw1x/chesham-street/25-29/flat-8"
    },
    {
      "paon": "31",
      "saon": null,
      "postcode": "SW1X 8NQ",
      "sale_count": 5,
      "first_sale_date": "1997-02-28",
      "last_sale_date": "2019-09-18",
      "last_price": 7800000,
      "url": "https://openproperties.uk/sw1x/chesham-street/31"
    },
    {
      "paon": "33",
      "saon": "APARTMENT 1",
      "postcode": "SW1X 8NQ",
      "sale_count": 1,
      "first_sale_date": "2025-07-22",
      "last_sale_date": "2025-07-22",
      "last_price": 8300000,
      "url": "https://openproperties.uk/sw1x/chesham-street/33/apartment-1"
    }
  ],
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.",
  "provenance": {
    "source": "HM Land Registry Price Paid Data",
    "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
    "retrieved_at": null
  }
}