The Norman Round Arch: A Thousand-Year Marker in Your Village Church
If you walk into the oldest church in your village and look up at the doorway as you pass under it, you will be standing under one of three things. A pointed arch means the church was built or rebuilt after about 1180. A round arch with decorated stonework means it dates from the Norman period, between roughly 1066 and 1200. A plain round arch with very large blocks of stone, and very little decoration, may be older still: Saxon, pre-1066, the rarest of the three. Either of the round arches tells you the building has foundations a thousand years old or more.
The round arch and the pointed arch
The pointed arch arrives in English church architecture from about 1180 onwards, with the early Gothic style imported from northern France. Before that point, English builders worked in the round arch, first the Saxon, then the Norman. The difference between round and pointed is not a difference of style alone but of structural method: the pointed arch transfers load differently and allows taller, thinner walls, larger windows, and more light in the nave. The round arch is heavier and lower, the walls thicker, the windows smaller.
A village church that has both styles in different parts of the building is common. The chancel arch might be round and Norman, the windows of the nave pointed and added a century later when the building was extended. Reading a small parish church often means reading its arches separately and working out which date from which campaign.
Norman, c.1066 to c.1200
Norman architecture in England begins with the Conquest and dominates church building for about a century and a half. The arches of this period are round and frequently decorated with carved mouldings cut into the stone above the span. Three decorations are common enough to be diagnostic.
The chevron, a continuous zigzag pattern cut deep into the stone, is the most familiar of the three. It appears on the chancel arches and doorways of small parish churches across England in great numbers, often two or three rows deep. The billet, a series of short raised cylinders carved in a row, is rarer and slightly earlier. The dogtooth, a row of small pyramidal projections, appears towards the end of the Norman period and overlaps with the early Gothic.
If the arch above your head shows chevron, billet, or dogtooth, you are looking at twelfth-century stonework. The wall itself, in many parish churches, is older than the decorated arch: Norman builders frequently dressed earlier walls with new entrances rather than rebuilding from the foundations.
Saxon, pre-1066
Saxon arches are much rarer. Around four hundred churches in England have surviving Saxon fabric, mostly in eastern and northern counties, and many of those have only fragments left. The arches that survive tend to be plainer than their Norman successors, often built of noticeably larger blocks, with little or no carved decoration around the span.
Two features help to identify a Saxon arch from a Norman one. The first is long-and-short work in the surrounding wall: alternating large vertical and horizontal stones at the corners of the building, a Saxon technique not used after the Conquest. The second is the use of pilaster strips, narrow vertical stones running up the outside walls, often standing slightly proud of the surface. Where you see both, the wall is almost certainly pre-1066.
The standard Saxon survivals are at Earls Barton in Northamptonshire, Bradford-on-Avon in Wiltshire, and Escomb in County Durham. Most parish Saxon work is more modest: a single doorway or a chancel arch hidden inside a later building.
Reading a village church
The practical approach in any village is to walk all the way round the outside of the church first, then enter through the main door, then walk slowly through the building looking at every opening. Most parish churches in England have at least one round arch somewhere if you look. Older churches will have several. The Pevsner Buildings of England series, county by county, gives the dating of every notable arch in every notable church; Historic England's listed-buildings register gives the official date range for each listed structure.
The village green outside is usually older than it looks. Most of what is now recognised as the classic English village green was formalised in the eighteenth or nineteenth century, but the open ground itself, the patch that was never built on or ploughed, often predates the settlement that grew up around it. A Jack-in-the-Green procession on May Day traditionally ended on the green; the custom is still kept at Hastings, Knutsford, and a handful of other towns. The Norman arch above the church door and the village green outside are the two landmarks in the parish most likely to be older than the houses around them.
Sources: Pevsner Architectural Guides (Buildings of England); Historic England listed buildings register; British Listed Buildings (britishlistedbuildings.co.uk); Eric Fernie, The Architecture of Norman England (2000).