Condition assessment of historic assets from the Environment and Rural Affairs Monitoring & Modelling Programme, Wales, 2021-2023

https://doi.org/10.5285/d7eefcce-5dfd-4f5b-813c-8739c846df6c

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This dataset is available under the terms of the Open Government Licence

By accessing or using this dataset, you agree to the terms of the relevant licence agreement(s). You will ensure that this dataset is cited in any publication that describes research in which the data have been used.

For the avoidance of doubt, if the publication of the Licensed Data is not within Wales, the Welsh form of the acknowledgement wording is not required.

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This dataset contains condition assessments of historic assets and associated threat and severity assessments collected as part of the Environment and Rural Affairs Monitoring & Modelling Programme (ERAMMP) National Field Survey (NFS) between 2021 and 2023. Historic assets are divided into two types: scheduled monuments (SMs) and historic environmental features (HEFs).
The ERAMMP NFS is a resurvey of all of the 300 locations from the initial Glastir Monitoring and Evaluation Programme (GMEP) monitoring program (300 1-km squares) on a rolling annual basis, with the aim to resurvey all sites between 2021 and 2025. Between 2021-2023 the ERAMMP National Field Survey resurveyed 225 of those 300 locations of which 95 locations had at least one historic asset located within.
The initial monitoring program, GMEP, was set up by the Welsh Government in 2013 to report national trends and monitor the effects of the Glastir agri-environment scheme on the environment and ran from 2013 to 2016. The field survey element was based on a stratified random sampling design of 300 x 1-km square sites across Wales of which 156 squares were identified to have at least one historic asset located within. The NFS was managed by the UK Centre for Ecology & Hydrology (UKCEH).

Publication date: 2026-01-16

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How do we collect this information?

Format

Comma-separated values (CSV)

Spatial information

Study area

Spatial representation type

Triangular irregular network

Spatial reference system

OSGB 1936 / British National Grid

Spatial resolution

10 metres

Temporal information

Temporal extent

2021-05-01 to 2023-05-01

Provenance & quality

The data were recorded using electronic data capture devices in the summers of 2021-2023 by professional surveyors. Data were recorded from 225 x 1km squares sited across Wales, selected by random stratified sample. Historic asset condition and threats to assets were recorded. The survey was managed by the UK Centre for Ecology & Hydrology. Standardised methodologies were applied throughout.
Data were uploaded to a UKCEH server and assessed for their completeness and accuracy.
To ensure confidentiality of the data with respect to land owners and managers, the locations of 1 km squares and survey sites were converted to the centres of the containing 10 km Ordnance Survey grid squares.

Licensing and constraints

This dataset is available under the terms of the Open Government Licence

Cite this dataset as:

Reinsch, S.; Emmett, B.A.; Fitos, E.; Waters, E.; Monkman, G.; Wood, C.M.; Lucas, J.R.; Richardson-Jones, V.; Williams, B.; Dhiedt, E.; Horninge, L.; Roberts, M.; Savage, C.; Sayer, H.; Spencer, J.; Garbutt, A. (2026). Condition assessment of historic assets from the Environment and Rural Affairs Monitoring & Modelling Programme, Wales, 2021-2023. NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/d7eefcce-5dfd-4f5b-813c-8739c846df6c

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For the avoidance of doubt, if the publication of the Licensed Data is not within Wales, the Welsh form of the acknowledgement wording is not required.