# Grade I listed buildings in Neath Port Talbot

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In the United Kingdom, the term listed building refers to a building or other structure officially designated as being of special architectural, historical, or cultural significance; Grade I structures are those considered to be "buildings of exceptional interest". Listing was begun by a provision in the Town and Country Planning Act 1947. Once listed, strict limitations are imposed on the modifications allowed to a building's structure or fittings. In Wales, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 rests with Cadw.

## Buildings

| Name | Location Grid Ref. Geo-coordinates | Date Listed | Function | Notes | Reference Number | Image |
| Margam Abbey (St Mary's Abbey Church) | Margam SS8015286291 51°33′46″N 3°43′49″W﻿ / ﻿51.562742369017°N 3.7303819256734°W﻿ / 51.562742369017; -3.7303819256734﻿ (Margam Abbey (St Mary's Abbey Church)) | 12 November 1952 | Church | Located at the end of a short lane which runs NE off the A48. The Stones Museum is within the churchyard. The S doorway faces into Margam Park. | 14148 | See more images |
| Margam Abbey Chapter House | Margam SS8019786264 51°33′45″N 3°43′47″W﻿ / ﻿51.562509293815°N 3.72972384304°W﻿ / 51.562509293815; -3.72972384304﻿ (Margam Abbey Chapter House) | 12 November 1952 | Ruin | Located in a central position in the gardens at Margam Park, to the NE of the orangery. | 14149 | See more images |
| Margam Abbey Undercroft | Margam SS8019086230 51°33′44″N 3°43′47″W﻿ / ﻿51.562202237273°N 3.729813179372°W﻿ / 51.562202237273; -3.729813179372﻿ (Margam Abbey Undercroft) | 12 November 1952 | Ruin | Located to the S of the Chapter House and E of Margam Orangery. | 14150 | See more images |
| Margam Castle Orangery | Margam SS8011786234 51°33′44″N 3°43′51″W﻿ / ﻿51.56222264207°N 3.7308671467272°W﻿ / 51.56222264207; -3.7308671467272﻿ (Margam Castle Orangery) | 12 November 1952 | Orangery | The centre-piece in the gardens at Margam Park. The abbey remains are immediately to the NE, with the broadwalk leading up to Margam Castle further E. | 14152 | See more images |
| Ivy Cottage including Façade of Former Banqueting House | Margam SS8008086283 51°33′46″N 3°43′53″W﻿ / ﻿51.56265513474°N 3.7314173887393°W﻿ / 51.56265513474; -3.7314173887393﻿ (Ivy Cottage including Façade of Former Banqueting House) | 12 November 1952 | Cottage | Located along the N boundary of the gardens, N of the Orangery and SE of the kitchen gardens. The facade faces W into the park, whilst the cottage is outside the park boundary. | 14153 | See more images |
| Margam Castle | Margam SS8049486284 51°33′46″N 3°43′32″W﻿ / ﻿51.562752179964°N 3.7254481060496°W﻿ / 51.562752179964; -3.7254481060496﻿ (Margam Castle) | 24 February 1975 | Country House | Located in a high and prominent position at the E end of the gardens in Margam Park. Approached from the SW by a new drive. | 14170 | See more images |
| St Catharine's Church | Baglan SS7526992225 51°36′54″N 3°48′10″W﻿ / ﻿51.615009419334°N 3.8029001579839°W﻿ / 51.615009419334; -3.8029001579839﻿ (St Catharine's Church) | 9 January 1976 | Church | Prominently sited at the junction between St Illtyd's Drive and Church Road. The church is set within a walled churchyard with Baglan brook on the SE side. | 14171 | See more images |