The Scilly Local Plan consultation has opened with residents and businesses asked where new homes should go and how the islands should balance housing, jobs, infrastructure and environmental protection up to 2041. The Council of the Isles of Scilly published the consultation on 16th October 2026 and will accept responses until 4pm on 9th November.
The Scilly Local Plan is not yet a draft set of policies or site allocations. This is the earlier scoping stage, where the council is testing the issues and choices that should shape the plan before it writes detailed proposals. The consultation highlights a possible need for between 78 and 187 additional homes over ten years, alongside questions about population decline, workforce housing and the distribution of development between St Mary’s and the off-islands.
For anyone who lives, works, owns land or runs a business on the islands, this is the point to influence the direction rather than comment on a nearly finished document. I would not read the housing figures as a settled target. They are scenarios drawn from the evidence, and the council still has to decide what level and pattern of development is realistic within the islands’ environmental and infrastructure limits.
Scilly Local Plan starts with the big choices
The official consultation announcement describes this as the first stage of the government’s new Local Plan preparation system. The council calls it Gateway 1 and a Regulation 20 scoping consultation. In plain English, it is gathering views on what the plan needs to deal with before moving into detailed policy writing.
The Scilly Local Plan consultation is built around an unusual planning context. Around 2,100 residents are spread across five inhabited islands, with no neighbouring housing market or commuting hinterland to absorb demand. Land is finite, construction capacity is constrained and essential employers can struggle to recruit when workers cannot find somewhere to live.
At the same time, almost every development choice has to be considered against internationally important landscapes, seascapes, habitats and heritage. The council’s summary puts the central question bluntly: “What kind of Isles of Scilly do we want to leave to future generations?”
This is why the consultation covers more than house numbers. It asks about the year-round economy, farming, fishing, tourism, renewable energy, transport, water, wastewater, digital connectivity, community services, coastal change and flood risk. Those issues overlap. New homes may help employers and services, for example, but only if the islands have the infrastructure and environmental capacity to support them.
Housing evidence ranges from 78 to 187 homes
The council’s seven-page consultation summary says the emerging evidence indicates that 78 to 187 additional homes may be required over the next ten years. The lower end broadly reflects homes already in the development pipeline. Higher scenarios consider what might be needed if some permissions are not delivered and if more housing is required to address population decline, retain workers and sustain businesses and public services.
That makes the Scilly Local Plan housing question more complicated than choosing a single number. The separate Housing and Economic Needs Assessment explains why the national standard method does not operate neatly here. The islands have no adjacent authority with which housing demand can average out, while some national datasets are missing or unreliable because the population is so small.
The assessment also links housing directly to the functioning of the local economy. It records affordability and availability pressures, population loss, difficulty filling essential jobs and a weak private rented market. Its purpose is not simply to pursue population growth. It is to estimate the housing needed to keep communities, services and businesses viable.
I think that distinction matters. A headline figure can easily sound like a conventional mainland housing target, but the evidence is testing several different needs and delivery risks. The consultation asks people to consider what would sustain island life, not merely how many planning permissions could be issued.
St Mary’s or a wider spread across the islands?
The Scilly Local Plan will have to decide how development should be distributed. The council presents three broad possibilities: concentrating most growth on St Mary’s, spreading growth more evenly across the inhabited islands, or keeping St Mary’s as the main focus while allowing modest locally needed development on the off-islands.
Each option has consequences. St Mary’s contains many of the services and facilities, which can make concentrated growth easier to support. A wider spread might help sustain smaller island communities, but infrastructure, transport and environmental capacity could limit what is practical. The consultation does not select a preferred option at this stage.
Climate and coastal change add another layer. Rising sea levels, storms, erosion and flood risk could affect homes, businesses, infrastructure and heritage. The council is preparing a Strategic Flood Risk Assessment and work on possible Coastal Change Management Areas. Those studies will help identify where development may become more vulnerable and where adaptation is needed.
Environmental protection is equally central. The consultation asks how landscape and seascape character, biodiversity, historic assets and sensitive recreational sites should be protected while allowing homes, employment and infrastructure. That is not a choice between development and no development. It is a question of scale, location, design and whether necessary infrastructure can be provided without undermining the qualities that make the islands distinctive.
What happens after the consultation closes?
Responses must be submitted by 4pm on Monday 9th November 2026 through the council’s consultation page. The survey asks what people value, what concerns them, what should not change and what change is necessary.
Under the new Gateway 1 process, an authority must complete its scoping consultation and publish a readiness self-assessment before the formal 30-month plan preparation period begins. Gateway 1 is a council self-assessment rather than an examination by the Planning Inspectorate. The government guidance says the Inspectorate does not assess or advise at this point.
The Scilly Local Plan therefore has several stages still to pass before it can guide decisions as an adopted development plan. Consultation responses will inform the vision, strategy and policies. More detailed proposals and evidence will follow, and later stages will provide further opportunities for formal representations.
A useful comparison is Planning Geek’s report on the North Northamptonshire plan entering the same new 30-month system. Scilly is at the earlier public scoping step. The immediate task is to establish the priorities and show that the authority is ready to move forward.
For landowners and community groups, a response will be most useful if it connects an identified problem with evidence and a realistic planning outcome. A request for homes, business space or infrastructure should address location, access, services and environmental limits. An objection should explain the particular feature or capacity issue at risk. General support or opposition is less likely to help the council resolve the difficult choices now on the table.
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