Scheduled MonumentsWalesOffa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood
Early Medieval · Linear Earthwork

Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood

Radnorshire, Wales
Cadw SAM RD016
Period
Early Medieval
Site type
Linear Earthwork
Broad class
Monument
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Offa's Dyke is an early medieval linear earthwork protecting a 165-metre section of the frontier that extends southward to Fildas Place, continuing from Mill stream to Frydd Wood. The dyke is a monumental construction dating to the late 8th century, when it formed part of a substantial territorial boundary between the Anglo-Saxon kingdom of Mercia and the Welsh kingdoms to the west. The earthwork comprised a substantial bank with an associated ditch, representing one of the most ambitious engineering projects of early medieval Britain.

The dyke's preservation at this location is partly determined by the underlying geology of Ludlow Rocks, which forms mudstone, siltstone and sandstone bedrock. These sedimentary formations, of Ludlow age, provided a relatively stable foundation for the original construction and have influenced the monument's survival and current topography. The alternating soft and harder strata would have required the builders to adjust their approach according to ground conditions encountered along the route.

The site is protected by Cadw, the Welsh heritage organisation, under reference RD016. This status ensures the preservation of the earthwork for future study and public understanding of early medieval Welsh-English relations and the substantial engineering capabilities of the period. The survival of the bank and ditch across this section provides valuable evidence of defensive strategies and territorial demarcation in the borderlands.

Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood is a scheduled monument protected by Cadw under reference RD016. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood?

Offa's Dyke is an early medieval linear earthwork protecting a 165-metre section of the frontier that extends southward to Fildas Place, continuing from Mill stream to Frydd Wood. It is designated a Scheduled Ancient Monument by Cadw under reference RD016.

What period does Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood date from?

Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood?

Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood 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 RD016.

What other scheduled monuments are near Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood?

Several scheduled monuments lie within 10 km, including Norton Mound And Bailey Castle (5.2 km), Offa's Dyke: Section extending 1125m SW to Gilfach Wood (6.1 km), Offa's Dyke: Section from Whitton-Presteigne Road to River Lugg (6.6 km).

Unlimited access

Everything a full report reveals about Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood

This page is just one thread. A full Aubrey report pulls together 13 strands of Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood

Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood stands on Ludlow Rocks (Undifferentiated), bedrock that formed in the Ludlow. The rock here is mudstone, siltstone and sandstone.

The wider landscape

Around Offa's Dyke: Section extending 165m S to Fildas Place and thence from Mill stream to Frydd Wood

Offa's DykeArchaeological site · ~10.9 milesKenchesterRoman town · ~20.7 miles