Your data has issues

There is a problem

4 entries with listed-building field must match the listed building reference from Historic England, known as 'List-Entry-Number'

Reference	Name	Listed building	Geometry	Notes	Entry date	Start date
1113802	Urn approx. 5 metres NE of Bowling Green House	1113802 Missing associated entity	MULTIPOLYGON (((-0.413942 52.003923,-0.413911 52.003914,-0.413898 52.003922,-0.413897 52.003933,-0.413928 52.003942,-0.413941 52.003934,-0.413942 52.003923)))	1136727	2025-06-24	1985-01-10
1321798	Cast Iron urn W of Long Canal, approx 200 metres from its N end	1321798 Missing associated entity	MULTIPOLYGON (((-0.411392 52.002036,-0.411396 52.002055,-0.411420 52.002065,-0.411453 52.002059,-0.411464 52.002047,-0.411460 52.002031,-0.411438 52.002020,-0.411409 52.002022,-0.411392 52.002036)))	1136666	2025-06-24	1985-01-10
1479194	Flitwick War Memorial	1479194 Missing associated entity	MULTIPOLYGON (((-0.493864 52.003270,-0.493863 52.003245,-0.493838 52.003245,-0.493834 52.003270,-0.493864 52.003270)))	1983375	2025-06-24	2023-06-08
1489643	18 and 20 Hillfoot Road	1489643 Missing associated entity	MULTIPOLYGON (((-0.366480 51.995599,-0.366305 51.995504,-0.366208 51.995583,-0.366223 51.995591,-0.366206 51.995617,-0.366225 51.995624,-0.366241 51.995614,-0.366283 51.995635,-0.366313 51.995614,-0.366297 51.995607,-0.366323 51.995588,-0.366349 51.995602,-0.366340 51.995608,-0.366394 51.995637,-0.366429 51.995613,-0.366447 51.995623,-0.366480 51.995599)))	1915423	2025-06-24	2024-03-01

Your dataset is missing the listed-building column.

The Listed building outline guidance explains how to fix the issue:

The Historic England listed building reference for the listed building. This is recorded in the register of listed buildings as “List Entry Number”.

Example: 1480524