WC05 Grid - EPSG:10632

WKT

PROJCS["WC05_Grid", 
	GEOGCS["WC05-IRF", 
		DATUM["WC05_Intermediate_Reference_Frame", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 209900.2337], 
	PARAMETER["False_Northing", 401958.2494], 
	PARAMETER["Central_Meridian", -2.15], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 53.45], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["WC05_Grid", 
	BASEGEOGCRS["WC05-IRF", 
		DATUM["WC05_Intermediate_Reference_Frame", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 209900.2337], 
		PARAMETER["False_Northing", 401958.2494], 
		PARAMETER["Central_Meridian", -2.15], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 53.45]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "10632"]]

Data from @esri/proj-codes

{
  "wkid": 10632,
  "latestWkid": 10632,
  "gcsWkid": 10628,
  "macro": "PE_PCS_WC05_GRID",
  "name": "WC05_Grid",
  "wkt": "PROJCS[\"WC05_Grid\",GEOGCS[\"WC05-IRF\",DATUM[\"WC05_Intermediate_Reference_Frame\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",209900.2337],PARAMETER[\"False_Northing\",401958.2494],PARAMETER[\"Central_Meridian\",-2.15],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",53.45],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"WC05_Grid\",BASEGEOGCRS[\"WC05-IRF\",DATUM[\"WC05_Intermediate_Reference_Frame\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",209900.2337],PARAMETER[\"False_Northing\",401958.2494],PARAMETER[\"Central_Meridian\",-2.15],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",53.45]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"10632\"]]",
  "description": "WC05 Grid",
  "authority": "EPSG",
  "version": "11.009(13.4.0)",
  "deprecated": "no",
  "areaname": "UK - London to Glasgow",
  "extent": {
    "slat": 51.4,
    "nlat": 55.92,
    "llon": -4.33,
    "rlon": -0.04
  }
}