Scheduled MonumentsWalesPorth Mawr
Post Medieval/Modern · Gatehouse

Porth Mawr

Breconshire, Wales
Cadw SAM BR114
Period
Post Medieval/Modern
Site type
Gatehouse
Broad class
Domestic
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Porth Mawr is a post-medieval gatehouse located in Breconshire, Wales, serving as an entry structure to a significant domestic or estate property. The building dates from the early modern period and exemplifies the architectural conventions of Welsh gatehouses of its era, when such structures functioned both as practical means of controlling access to estates and as statements of their owners' status and authority. The gatehouse preserves features characteristic of post-medieval Welsh domestic architecture, reflecting the building practices and social arrangements of its period. The site is recorded in the Cadw Scheduled Ancient Monuments register as BR114, indicating its recognition as a structure of historical importance to Wales's built heritage.

Porth Mawr is a scheduled monument protected by Cadw under reference BR114. View the official record →

About this monument

Questions & answers

What is Porth Mawr?

Porth Mawr is a post-medieval gatehouse located in Breconshire, Wales, serving as an entry structure to a significant domestic or estate property. It is designated a Scheduled Ancient Monument by Cadw under reference BR114.

What period does Porth Mawr date from?

Porth Mawr dates from the post medieval/modern period, and is classified as a gatehouse. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Porth Mawr?

Porth Mawr is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is BR114.

What other scheduled monuments are near Porth Mawr?

Several scheduled monuments lie within 10 km, including Coal and Iron Ore Workings West of Abergavenny Road, Blaenavon (9 km), Brake Engine on Hill Pits Tramroad Incline (9 km), Pwll Du Tunnel (9.1 km).

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