Hedging for listed buildings and historic gardens

Read the existing layout before making changes

Photograph the hedge from the house, entrance and main paths. Record its line, approximate height and width, any openings and the species where known. Old plans and photographs may explain why a hedge is there, especially where later planting has obscured an earlier arrangement. Keep dated evidence of what exists before any work begins.

Historic England notes that garden hedges can form enclosures, entrances, parterres and screens, with the species sometimes reflecting the garden’s history. The position, shape and surviving species can therefore matter more than choosing something associated with a particular historical period. A small surviving section may provide useful evidence for a replacement length.

Choosing a hedge · Compare all hedging

Confirm the requirements for this site

Listing does not mean every hedge alteration follows the same consent process. Requirements depend on the site and the proposed work. Check the designation, any relevant landscape plan and the position of the hedge with the local conservation or planning team before committing to removal or a changed layout.

Historic England’s guidance covers England and points to separate controls affecting some hedgerows and scheduled sites. For projects elsewhere in the UK, use the relevant local authority and national heritage advice. Keep the response with the project file so the person ordering the plants works from the same agreed proposal as those carrying out the work.

Discuss the plant order · Commercial project planning

Decide between repair and a complete new length

Where the intention is to retain a hedge, identify why a gap or weak section has developed before replacing plants. Check drainage, shade from established trees and the room available for new roots. Putting another plant into an unresolved problem area can repeat the same disappointment. A knowledgeable gardener or site adviser can help assess the existing hedge where its condition is uncertain.

For a new length, specify the species, supplied size and maintained dimensions separately. Matching a young replacement to a mature hedge involves time and management; it will not have the same mass on planting day. If several phases are planned, record what was planted in each one so future orders are based on the actual species and sizes used.

Plant sizes explained · Planting a hedge

Allow for the work a formal hedge needs

Yew can be considered for a clipped evergreen line on well-drained ground. Beech offers a deciduous alternative, while holly may suit a boundary where its foliage and eventual form belong in the garden. These are choices to compare against the evidence and conditions, rather than a standard planting list for every old property.

Leave access for trimming without damaging paths, adjacent planting or historic features. Agree where cuttings will be taken and how watering equipment will reach new plants. A hedge maintained for a crisp outline needs a different routine from a looser boundary, so give the person responsible for the garden a say in the specification.

Yew hedging · Holly hedging

Spacing and quantities for a formal hedge

The table below gives a practical guide to planting distances for three hedging plants often specified on historic sites. Spacing is based on a single row; for a thicker hedge, use a double staggered row and increase the plant count by roughly 50%. Always adjust spacing to suit the supplied size and the speed of cover you need.

What is the law on boundary hedges at listed properties?

High hedge complaints are governed by the relevant legislation in each UK nation. In England and Wales, Part 8 of the Anti-social Behaviour Act 2003 provides a framework for complaints about qualifying evergreen or semi-evergreen hedges over 2m tall. The Scottish and Northern Irish rules differ. A listed building's setting and any heritage designations may also affect decisions about hedge alterations, so check with the local authority before making substantial changes.

For hedgerows in the countryside, the Hedgerows Regulations 1997 may apply if the hedge is more than 20m long, meets age and species criteria and is on agricultural land. A hedgerow removal notice is separate from listed building consent, so check both where the hedge forms a boundary to farmland or a scheduled monument.

What is a good alternative to box hedging?

Where box blight or box tree caterpillar makes Buxus sempervirens unreliable, several plants can fill a similar low formal role. Dwarf evergreen azaleas flower in spring and need acidic soil, so they suit a different setting from traditional clipped box. Euonymus Emerald Gaiety and Emerald ‘n’ Gold have variegated evergreen leaves and can be lightly clipped to form low edging. Mixed dwarf conifers bring different foliage textures but vary in growth habit and may not respond well to repeated hard cutting. Hebe Red Edge has small grey-green leaves with reddish margins, particularly noticeable in colder weather. None will reproduce the exact texture or clipping behaviour of box.

Dwarf evergreen azaleas are listed in 2 litre pots, Euonymus Emerald Gaiety in 2 litre pots, and Euonymus Emerald 'n' Gold in 9cm or 2 litre pots. Hebe Red Edge is supplied in 9cm pots in packs of 2, 3, 4 or 6. Mixed dwarf conifers have several listed pack and pot options. Container-grown plants can be planted through much of the year when the soil is workable and watering can be maintained. Match the replacement to the light, soil and clipping regime of the original box hedge. None is a direct like-for-like swap, so trial a small section first where the design allows.