Look around the UK and you will find that an overwhelming number of period properties are still finished in traditional materials, including lime, local stone and timber. Regional finishes are often found in areas where the natural environment provides these materials in abundance and where local microclimates have influenced building traditions. One of the most distinctive examples is the thatched roof.
Devon, Dorset and the Cotswolds are among the areas most associated with thatched properties, with nearly 25% of all thatched roofs in England found in Devon alone.
Thatched roofs are surprisingly effective natural insulators, allowing a property to breathe whilst remaining warm in winter and cool in summer.
As an iconic feature of British heritage, it is important to choose the type of thatch that best suits the property. The three most common forms of thatch are:
- Water Reed – The longest-lasting type of thatch, capable of lasting up to 50 years. Traditionally harvested from the Norfolk Broads and the fens of Suffolk and Dorset, it creates a crisp, angular appearance that may not suit every style of property.
- Long Straw – Historically the most common thatching material due to the abundance of wheat and rye grown throughout Britain. Lasting up to 20 years, it creates a softer, more rustic appearance and is particularly associated with East Anglia.
- Combed Wheat Reed – Similar in appearance to water reed but made from wheat straw. It is hard-wearing, lasting up to 35 years, and is principally found in Dorset, Devon and Cornwall.
Rear view of the Buck Lane property. It really is a fairytale cottage in the heart of North London.
Maintaining these wonderful period features can seem daunting at first, but the process is actually quite straightforward once you understand the basics.
The element that most frequently requires attention is the ridge, the protective layer of thatch that runs along the very top of the roof where the two slopes meet. This generally needs replacing every 10 to 15 years and should be inspected periodically by a specialist.
Another common maintenance requirement is the wire netting fitted over exposed areas of the roof to protect the thatch from birds and rodents. Regular removal of moss and lichen is also important, helping to prevent moisture retention and decay while maintaining a dry, well-regulated environment within the thatch.
Fire safety is another important consideration. There are several effective preventative measures available. Installing fire-retardant membranes beneath the thatch is highly recommended, while regular chimney sweeping helps prevent soot build-up and reduces the risk of sparks igniting the roof.
Many thatched properties are protected through heritage designations such as listing by Historic England, inclusion within a conservation area, or recognition by architectural organisations. As a result, repairs and alterations often need to be carried out on a like-for-like basis to preserve the building’s historic character.
Protecting these structures is important because they are both rare and culturally significant. This extends to insurance. Standard home insurance policies do not always provide suitable cover for thatched properties, so it is generally advisable to seek specialist insurance from a broker experienced in historic and non-standard construction.
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