Scheduled MonumentsWalesOffa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane
Early Medieval · Linear Earthwork

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane

Radnorshire, Wales
Cadw SAM RD017
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: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane is an early medieval linear earthwork constructed during the reign of King Offa of Mercia in the late 8th century. This particular section runs through Great Ffrydd Wood, where the underlying Ludlow Rocks—a bedrock of mudstone, siltstone and sandstone—would have presented formidable challenges during its construction. The dyke stretches for 1693 metres southward through the woodland to the footpath that leads toward Woodhouse Lane, forming part of the most substantial surviving stretch of what was once a frontier work extending across the Welsh-English border.

This section's preservation within woodland has protected it from later disturbance, allowing the characteristic earthwork profile to remain largely intact. The substantial embankment and ditch configuration, created by moving vast quantities of upcast material, remains visible today as a commanding feature across the landscape. The monument demonstrates the sophisticated engineering capabilities of early medieval Mercia and its determination to establish territorial control along contested borderlands.

The site is protected by Cadw under reference RD017, recognising its significance as a scheduled monument and a crucial element of one of Britain's most important early medieval monuments.

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane is a scheduled monument protected by Cadw under reference RD017. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane?

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane is an early medieval linear earthwork constructed during the reign of King Offa of Mercia in the late 8th century. It is designated a Scheduled Ancient Monument by Cadw under reference RD017.

What period does Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane date from?

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane 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 through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane?

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane 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 RD017.

What other scheduled monuments are near Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane?

Several scheduled monuments lie within 10 km, including Mound & Bailey Castle 360m ESE of St Peter's Church (8.1 km), Barland Motte and Bailey (8.7 km), Offa's Dyke: Section from Granner Wood to Burfa (8.8 km).

Unlimited access

Everything a full report reveals about Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane

This page is just one thread. A full Aubrey report pulls together 13 strands of Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane'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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Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

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The ground beneath

The bedrock under Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane

Offa's Dyke: Section extending through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane 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 through Great Ffrydd Wood 1693m S to footpath leading to Woodhouse Lane

Offa's DykeArchaeological site · ~11.9 milesKenchesterRoman town · ~19.9 miles