Landscape insights.

Landscape planning

What happens when we plan 200 metres beyond the site?

A planning boundary tells us where an application begins and ends. It does not tell us where the landscape stops functioning.

Hedgerows continue into adjoining fields. Water moves across ownership boundaries. Habitats depend on connections that may extend well beyond a site. Views are experienced from roads, homes and public spaces outside the red line. The character of a place is created by the wider pattern of landform, vegetation, settlement and land use—not by one parcel in isolation.

That is why it can be useful to begin a landscape review by looking approximately 200 metres beyond the site. This is not a statutory buffer or a substitute for an appropriate study area. It is a practical working lens: far enough to understand immediate relationships, but focused enough to influence the design decisions being made within the site.

What the wider view can reveal

A short extension beyond the boundary can identify landscape features that may otherwise appear unrelated to the proposal:

• hedgerows that form part of a larger field pattern or ecological corridor;
• gaps where new planting could reconnect existing vegetation;
• watercourses, wet ground and drainage routes influencing planting and SuDS;
• nearby homes, roads and paths from which change may be experienced;
• mature trees that contribute to the setting of the site; and
• differences in land use, scale or settlement pattern that should inform the layout.

These observations can change what happens inside the boundary. Open space may be positioned to continue an existing green corridor. A building or access road may be adjusted to retain a mature hedge. Planting can reinforce the local pattern rather than form an isolated strip around the edge of a development. Drainage and landscape proposals can be designed together rather than treated as competing requirements.

Connected planting rather than leftover planting

Landscape proposals are often prepared after the main layout has been fixed. The remaining spaces are then expected to provide screening, biodiversity, amenity and drainage at the same time. Looking beyond the site earlier helps the design team decide where landscape interventions will have the greatest value.

A narrow belt of planting may be useful, but it becomes more valuable when it connects with an existing hedge, woodland edge, watercourse or area of open space. The same area of planting can perform very differently depending on its location, width, species structure and relationship with the surrounding landscape.

A practical early-stage habit

The purpose is not to enlarge every assessment unnecessarily. It is to avoid designing a site as though its boundaries are the limits of the landscape. At feasibility and concept stage, a concise review of the surrounding 200 metres can reveal constraints and opportunities while there is still time to respond.

Better decisions within the site often begin with understanding what lies immediately beyond it.

Discuss early landscape input →

Landscape character

Hedgerows are infrastructure too.

We readily recognise roads, drainage, utilities and buildings as infrastructure. The existing landscape has infrastructure of its own.

Hedgerows define field patterns, enclose roads, connect habitats, intercept water, shelter land and give places a recognisable character. A mature hedge may perform several of these functions at once. Its importance cannot be measured only by the number of individual plants it contains.

This matters when development is being planned. Removing a mature hedgerow and drawing a new green line on a landscape plan does not create an equivalent replacement. The new planting may eventually become valuable, but it begins without the structure, continuity, soils, associated vegetation and accumulated character of what has been removed.

Landscape character and identity

Across much of Ireland, hedgerows are one of the strongest elements shaping the landscape. Their alignment reflects historic field divisions, roads and patterns of settlement. They influence how a development is seen and how it relates to the surrounding countryside or town edge.

Retaining an established hedge can help a new development sit within that pattern from the outset. Removing it may expose a site, weaken enclosure and make the proposal appear disconnected from its setting.

Habitat and movement

A hedgerow is more than a row of shrubs. Trees, shrubs, banks, ditches, ground flora and adjoining margins can function together. Continuity is particularly important: a retained hedge that connects with other vegetation can provide far greater landscape and ecological value than an isolated ornamental boundary.

The first question should therefore not simply be whether a hedge can be replaced. It should be how it functions within the wider network and whether the layout can work with it.

Water, shelter and microclimate

Boundary vegetation can slow surface water, support infiltration and influence local drainage patterns. It also filters wind, creates shelter and affects the growing conditions on both sides. These functions become important when locating access points, drainage features, gardens, open space and new planting.

Landscape, ecology, arboriculture and engineering each view the hedge through a different lens. Bringing those disciplines together early helps avoid a situation in which one requirement unintentionally undermines another.

Designing with the hedge

An early site review should establish:

• the hedge’s condition, structure and species composition;
• its relationship with adjoining hedges, trees, banks and ditches;
• the space required to retain and manage it successfully;
• where access, services, levels or drainage may cause conflict; and
• how additional planting can reinforce rather than obscure its role.

Retention does not mean leaving a hedge untouched and hoping for the best. It requires realistic protection during construction, appropriate setbacks, space for future growth and a clear management approach.

When hedgerows are treated as functioning landscape infrastructure, they can help organise the layout rather than becoming an obstacle to be dealt with later.

Discuss landscape and hedgerow planning →

Landscape capacity

What can this landscape accommodate?

Landscape capacity is not simply a question of whether development can be seen. It asks what type, scale and arrangement of change a particular landscape may be able to accommodate without unacceptable effects on its character and visual amenity.

That question is most useful at the beginning of a project. Once the site layout, building heights, access and open space have been fixed, the opportunity to respond meaningfully may be limited. Planting can help integrate a well-considered proposal, but it cannot resolve every conflict created by siting, scale or layout.

Capacity is specific to both place and proposal

The same site may have different capacity for different forms of development. A compact proposal associated with an existing settlement may relate to the landscape very differently from a dispersed or prominently elevated layout. Height, massing, movement, lighting, colour, access and the loss of existing vegetation can all influence the result.

Capacity is therefore not a fixed score attached to a parcel of land. It is a judgement formed by considering the sensitivity of the receiving landscape alongside the nature of the proposed change.

What influences capacity?

Early landscape review should consider:

• landform, slope and elevation;
• the scale and pattern of fields, vegetation and settlement;
• existing trees, hedgerows and other green-infrastructure assets;
• important views and the people likely to experience change;
• the relationship with nearby homes, roads, paths and designated landscapes;
• the degree to which the proposal follows or conflicts with existing landscape patterns; and
• whether mitigation is realistic, deliverable and appropriate to the character of the place.

A relatively enclosed site is not automatically suitable for any scale of development. Equally, visibility does not automatically mean that a proposal is unacceptable. The quality of the design response, the sensitivity of receptors and the nature of the landscape change all matter.

Using capacity to shape the proposal

A landscape-led feasibility review can test broad options before detailed design begins. It may identify a part of the site where development relates more comfortably to existing settlement, or where landform and vegetation provide a stronger framework. It may show where open space should be located, where heights should reduce, or where an access arrangement would cause disproportionate landscape effects.

This is not about using landscape assessment to justify a predetermined layout. It is about allowing the evidence to influence the proposal while choices remain available.

Mitigation begins with design

The strongest mitigation is often embedded in the layout: retaining an important hedge, avoiding a sensitive skyline, reducing the extent of development on an exposed slope, or positioning open space where it reinforces existing green infrastructure.

New planting remains important, but it should support the design rather than carry the full burden of making an unsuitable proposal fit. Planting also takes time to establish and must be capable of thriving within the available soil, space, drainage and management conditions.

Asking what the landscape can accommodate at the outset produces clearer design decisions, more credible mitigation and a more defensible planning submission.

Discuss landscape capacity and feasibility →