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catchment.school

Halcyon London International School Catchment Area

Reviewed by the catchment.school editorial team · Last updated 15 March 2026

Halcyon London International School is an other independent not applicable school in London, Westminster , serving pupils aged 11-18, with 165 pupils, and a capacity of 230 places. Find catchment area guidance, admissions policy details and nearby not applicable schools below.

11-18

Age range

165

Pupils

230

Capacity

72%

Fill rate

Halcyon London International School Catchment Area Information

What is the catchment area for Halcyon London International School?

The catchment area for Halcyon London International School is the geographic zone Westminster uses to prioritise admissions when this not applicable school receives more applications than it has places. Children living inside the boundary are ranked higher under the oversubscription criteria, after looked-after children and siblings. Westminster publishes the exact boundary and the last distance offered before each admissions cycle, and the boundary can change year to year.

The catchment area for Halcyon London International School is set by Westminster and reviewed annually. Children living within the catchment boundary receive priority consideration when applications exceed the number of available places.

The official admissions policy, including the catchment boundary map, is published by Westminster before each admissions cycle. Always verify your address with the council before submitting an application, as boundaries can change year to year.

Find Westminster catchment area documents →

Halcyon London International School: 230 places, 72% filled: places available

Halcyon London International School has a published admission number of 230 places. 165 pupils were enrolled in the most recent data, giving a fill rate of 72%. At 72% full, the school currently has headroom below its 230 place limit. Catchment distance criteria still apply when the school is oversubscribed, but at current demand levels, places have been available for applicants outside the immediate catchment area.

To check whether your home address falls within the historical catchment boundary, use the postcode search tool on this site.

Westminster publishes its full admissions policy, including oversubscription criteria, the previous year's last-distance figures, and the appeals timetable, on the council's official admissions page. Find Westminster school admissions →

Halcyon London International School: School Information

Full address
33 Seymour Place, London, W1H 5AU
Local authority
Westminster
School type
Other independent school
Phase of education
Not applicable
Age range
11-18 years
DfE URN
139415

Other Not applicable Schools in London

If Halcyon London International School is oversubscribed, these not applicable schools in London are the next closest alternatives.

Nearest not applicable schools by distance

These are the not applicable schools closest to Halcyon London International School by straight-line distance, including ones across a town or council boundary. Distance is not the same as being in catchment: always check each school's own admissions policy for its actual boundary.

Frequently Asked Questions: Halcyon London International School

What is the catchment area for Halcyon London International School?

The catchment area for Halcyon London International School is the geographic zone Westminster uses to prioritise admissions when this not applicable school receives more applications than it has places. Children living inside the boundary are ranked higher under the oversubscription criteria, after looked-after children and siblings. Westminster publishes the exact boundary and the last distance offered before each admissions cycle, and the boundary can change year to year.

Is Halcyon London International School oversubscribed?

Halcyon London International School has a capacity of 230 places and currently has 165 pupils enrolled. For the most up-to-date data, check with Westminster.

What is the admissions policy for Halcyon London International School?

Admission to Halcyon London International School is managed by Westminster. When oversubscribed, places go to looked-after children first, then siblings, then catchment area distance. Always verify the current policy with the council before applying.

What age range does Halcyon London International School cover?

Halcyon London International School is a not applicable school in London, Westminster, serving pupils aged 11-18. For the latest information, visit the school's website or the DfE Get Information About Schools service.

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