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prices-api.json
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4627 lines (4627 loc) · 93.2 KB
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{
"years": [
1950,
1951,
1952,
1953,
1954,
1955,
1956,
1957,
1958,
1959,
1960,
1961,
1962,
1963,
1964,
1965,
1966,
1967,
1968,
1969,
1970,
1971,
1972,
1973,
1974,
1975,
1976,
1977,
1978,
1979,
1980,
1981,
1982,
1983,
1984,
1985,
1986,
1987,
1988,
1989,
1990,
1991,
1992,
1993,
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001,
2002,
2003,
2004,
2005,
2006,
2007,
2008,
2009,
2010,
2011,
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2021,
2022,
2023,
2024,
2025
],
"contextSeries": {
"fiat": {
"label": "GBP (\u00a3)",
"unit": "\u00a3",
"values": [
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1
],
"sources": [
{
"name": "Pound Sterling Reference Unit",
"url": "https://www.bankofengland.co.uk/banknotes",
"type": "market",
"date": "2025-01-01",
"note": "Primary denominator reference source."
}
],
"series_basis": "calendar_year_average"
},
"gold": {
"label": "Gold (GBP/oz)",
"unit": "oz",
"values": [
12.5,
12.5,
12.5,
12.5,
12.5,
12.5,
12.5,
12.529,
12.456,
12.461,
12.466,
12.49,
12.465,
12.499,
12.534,
12.517,
12.53,
12.766,
16.423,
17.198,
15.008,
16.697,
23.287,
39.65,
68.093,
72.744,
69.496,
84.679,
100.84,
144.782,
264.488,
228.546,
215.12,
279.579,
270.928,
247.248,
251.183,
273.298,
245.537,
233.113,
216.052,
205.409,
195.834,
239.62,
250.854,
243.384,
248.554,
202.253,
177.498,
172.372,
184.372,
188.18,
206.448,
222.49,
223.604,
244.79,
328.388,
347.52,
475.825,
623.582,
793.141,
980.628,
1053.267,
902.681,
768.923,
759.215,
926.932,
976.141,
950.675,
1091.567,
1380.101,
1307.818,
1461.008,
1563.185,
1867.694,
2604.65
],
"sources": [
{
"name": "World Gold Council Gold Demand Trends: full year 2025",
"url": "https://www.gold.org/goldhub/research/gold-demand-trends/gold-demand-trends-full-year-2025",
"type": "market",
"date": "2026-01-29",
"note": "Reports annual average LBMA (PM) gold price in USD. In this dataset, USD gold is converted to GBP/oz using annual USD\u2192GBP averages (GBP per USD) instead of a constant FX factor."
},
{
"name": "Gold price averages dataset",
"url": "https://www.gold.org/goldhub/data/gold-prices",
"type": "market",
"date": "2026-03-15",
"note": "Gold price averages over monthly, quarterly and annual timeframes are referenced to the LBMA benchmark."
},
{
"name": "FRED (OECD MEI): CCUSMA02GBA618N annual USD exchange rate for UK (GBP per USD)",
"url": "https://fred.stlouisfed.org/data/CCUSMA02GBA618N",
"type": "official",
"date": "2026-02-16",
"note": "Annual GBP-per-USD averages used for USD\u2192GBP conversion from 1957 onward (series frequency: annual)."
}
],
"series_basis": "calendar_year_average",
"lineage": [
"Gold denominator represented as LBMA annual average GBP per troy ounce.",
"USD gold benchmarks are converted to GBP using annual USD\u2192GBP averages (FRED/OECD CCUSMA02GBA618N, GBP per USD).",
"For 1950\u20131956, FX uses the Bretton Woods sterling parity approximation (1 GBP \u2248 2.80 USD; 0.3571 GBP per USD) to backfill years before the OECD annual series starts in 1957."
]
},
"bitcoin": {
"label": "Bitcoin (BTC)",
"unit": "BTC",
"values": [
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
0.2,
5,
8,
650,
500,
270,
570,
4000,
7400,
7200,
11100,
34000,
23600,
23000,
51000,
65000
],
"sources": [
{
"name": "CoinDesk Bitcoin Price Index",
"url": "https://www.coindesk.com/price/bitcoin/",
"type": "market",
"date": "2025-01-01",
"note": "Annual average denominator reference source (historic years remain approximate placeholders pending full rebuild)."
}
],
"series_basis": "calendar_year_average"
},
"real_fiat": {
"label": "GBP, CPI-adjusted (\u00a3)",
"unit": "real \u00a3 (2025)",
"values": [
0.1384,
0.142,
0.1457,
0.1495,
0.1534,
0.1573,
0.1614,
0.1656,
0.1699,
0.1744,
0.1789,
0.1835,
0.1883,
0.1932,
0.1982,
0.2034,
0.2087,
0.2141,
0.2197,
0.2254,
0.2312,
0.2373,
0.2434,
0.2498,
0.2562,
0.2629,
0.2697,
0.2768,
0.284,
0.2913,
0.2989,
0.3067,
0.3147,
0.3228,
0.3312,
0.3398,
0.3487,
0.3577,
0.3671,
0.3766,
0.3864,
0.3964,
0.4067,
0.4173,
0.4282,
0.4393,
0.4507,
0.4624,
0.4745,
0.4868,
0.4995,
0.5124,
0.5258,
0.5394,
0.5535,
0.5678,
0.5826,
0.5978,
0.6133,
0.6292,
0.6355,
0.6419,
0.6586,
0.6757,
0.6933,
0.7113,
0.7298,
0.7488,
0.7682,
0.7882,
0.8087,
0.8297,
0.8513,
0.9109,
0.9747,
1
],
"sources": [
{
"name": "UK CPI (synthetic annual factor, rebased to 2025=100)",
"url": "https://www.ons.gov.uk/economy/inflationandpriceindices/cpi",
"type": "derived",
"date": "2025-01-01",
"note": "Nominal prices are divided by CPI factor to express values in 2025 pounds."
}
],
"lineage": [
"CPI index rebased to 2025=100",
"Real GBP = nominal GBP / (CPI/100)"
],
"series_basis": "calendar_year_average"
},
"hours_worked": {
"label": "Hours at Median Wage",
"unit": "hours of work",
"values": [
0.1624,
0.1772,
0.1933,
0.2109,
0.23,
0.251,
0.2732,
0.2975,
0.3238,
0.3526,
0.3838,
0.4096,
0.4372,
0.4666,
0.498,
0.5314,
0.5749,
0.6219,
0.6728,
0.7278,
0.7873,
0.8868,
0.9988,
1.1249,
1.267,
1.427,
1.6613,
1.9339,
2.2513,
2.6208,
3.0509,
3.3086,
3.5881,
3.8912,
4.2199,
4.5764,
4.9736,
5.4052,
5.8744,
6.3842,
6.9383,
7.2694,
7.6162,
7.9795,
8.3602,
8.759,
8.9203,
9.0845,
9.2518,
9.4221,
9.5956,
9.9689,
10.3567,
10.7596,
11.1782,
11.6131,
11.8403,
12.0718,
12.308,
12.5487,
12.7941,
12.8925,
13.0402,
13.1878,
13.3846,
13.5814,
13.7783,
14.0735,
14.3688,
14.7624,
15.3037,
15.599,
16.2387,
17.1244,
14.4108,
15.1755
],
"sources": [
{
"name": "Derived from benchmark earnings series",
"url": "https://www.ons.gov.uk/employmentandlabourmarket/peopleinwork/earningsandworkinghours",
"type": "derived",
"date": "2026-03-15",
"note": "Hours-per-pound series recalculated from legacy implied annual hours and the updated full-time earnings benchmark."
}
],
"lineage": [
"Hours per \u00a31 of earnings = implied annual hours / benchmark annual earnings. Recent years move with the updated full-time earnings benchmark."
],
"series_basis": "calendar_year_average"
}
},
"items": [
{
"key": "house",
"name": "Average House Price",
"values": [
1760.862,
1824.7314,
1891,
1961,
2034,
2109,
2187,
2268,
2352,
2440,
2530,
2707,
2896,
3099,
3316,
3548,
3796,
4062,
4346,
4650,
4975,
5820,
6809,
7966,
9320,
10904,
12756,
14924,
17460,
20426,
23897,
26121,
28552,
31209,
34114,
37289,
40759,
44552,
48699,
53231,
58185,
60420,
62741,
65150,
67653,
70251,
72950,
75752,
78661,
81683,
84820,
90927,
97474,
104492,
112016,
120081,
128727,
137995,
147931,
158582,
170000,
166000,
167000,
175000,
188000,
202000,
214000,
226000,
230000,
233000,
238000,
265000,
285000,
288000,
263991,
270259
],
"sources": [
{
"name": "HM Land Registry UK House Price Index",
"url": "https://landregistry.data.gov.uk/app/ukhpi/",
"type": "official",
"date": "2026-02-17",
"note": "Used for UK average house price endpoints including Dec 2024 and Dec 2025."
}
],
"category": "housing",
"metadata": {
"unit_basis": "Average House Price",
"geography": "United Kingdom",
"price_basis": "Nominal GBP",
"frequency": "Annual",
"last_updated": "2026-03-15",
"source_confidence": "medium",
"notes": "1950\u20132023 remain historical/interpolated anchors; 2024 and 2025 endpoints updated to UK average house prices from UK HPI rather than England-only figures.",
"series_basis": "calendar_year_average"
}
},
{
"key": "average_rent",
"name": "Average Rent (UK, monthly)",
"values": [
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
250,
264.2857,
278.5714,
292.8571,
307.1429,
321.4286,
335.7143,
350,
370,
390,
410,
430,
450,
470,
490,
510,
530,
550,
576,
602,
628,
654,
680,
696,
712,
728,
744,
760,
788,
816,
844,
872,
900,
975,
1050,
1140,
1270,
1350
],
"sources": [
{
"name": "Compiled official/industry source",
"url": "https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7g7/mm23",
"type": "official",
"date": "2026-03-16",
"note": "ONS private rental price statistics used for anchor points; earlier gaps interpolated."
}
],
"category": "housing",
"metadata": {
"unit_basis": "Average monthly private rent",
"geography": "United Kingdom",
"price_basis": "Nominal GBP",
"frequency": "Annual",
"last_updated": "2026-03-16",
"source_confidence": "medium",
"series_basis": "calendar_year_average",
"notes": "Series constructed from sourced anchor points and linear interpolation for missing historical years."
}
},
{
"key": "deposit_to_income_ratio",
"name": "Deposit-to-Income Ratio (first-time buyer proxy)",
"values": [
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
0.6,
0.65,
0.7,
0.75,
0.8,
0.85,
0.9,
0.95,
0.92,
0.89,
0.86,
0.83,
0.8,
0.84,
0.88,
0.92,
0.96,
1,
1.05,
1.1,
1.15,
1.2,
1.25,
1.29,
1.33,
1.37,
1.41,
1.45,
1.46,
1.47,
1.48,
1.49,
1.5,
1.54,
1.58,
1.62,
1.66,
1.7,
1.74,
1.78,
1.82,
1.86,
1.9
],
"sources": [
{
"name": "Compiled official/industry source",
"url": "https://www.ons.gov.uk/peoplepopulationandcommunity/housing/datasets/housepriceestimatesforsmallareas",
"type": "official",
"date": "2026-03-16",
"note": "Constructed from house price and earnings references as first-time-buyer proxy; interpolated between anchors."
}
],
"category": "housing",
"metadata": {
"unit_basis": "Deposit / gross household income",
"geography": "United Kingdom",
"price_basis": "Ratio",
"frequency": "Annual",
"last_updated": "2026-03-16",
"source_confidence": "medium",
"series_basis": "calendar_year_average",
"notes": "Series constructed from sourced anchor points and linear interpolation for missing historical years."
}
},
{
"key": "mortgage_payment_proxy",
"name": "Mortgage Payment Proxy (average mortgage rate)",
"values": [
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
11,
11.8,
12.6,
13.4,
14.2,
15,
14.4,
13.8,
13.2,
12.6,
12,
12.4,
12.8,
13.2,
13.6,
14,
12.8,
11.6,
10.4,
9.2,
8,
7.8,
7.6,
7.4,
7.2,
7,
6.7,
6.4,
6.1,
5.8,
5.5,
5.2,
4.9,
4.6,
4.3,
4,
3.7,
3.4,
3.1,
2.8,
2.5,
2.42,
2.34,
2.26,
2.18,
2.1,
2.95,
3.8,
5.7,
5.1,
4.6
],
"sources": [
{
"name": "Compiled official/industry source",
"url": "https://www.bankofengland.co.uk/boeapps/database/Bank-Rate.asp",
"type": "official",
"date": "2026-03-16",
"note": "Bank of England mortgage/Bank Rate series used as SVR/fixed-payment proxy; annualised and interpolated."
}
],
"category": "housing",
"metadata": {
"unit_basis": "Mortgage rate percent",
"geography": "United Kingdom",
"price_basis": "Nominal rate (%)",
"frequency": "Annual",
"last_updated": "2026-03-16",
"source_confidence": "medium",
"series_basis": "calendar_year_average",
"notes": "Series constructed from sourced anchor points and linear interpolation for missing historical years."
}
},
{
"key": "bread_loaf",
"name": "Bread (loaf)",
"values": [
0.05,
0.0535,
0.057,
0.0605,
0.064,
0.0675,
0.071,
0.0745,
0.078,
0.0815,
0.085,
0.0885,
0.092,
0.0955,
0.099,
0.1025,
0.106,
0.1095,
0.113,
0.1165,