Highgate School plans: 273 objections, 8 years of work

Plans to rebuild much of Highgate School have drawn 273 objections and 11 letters of support, and the school’s own estimate is that the building work would take between six and eight years.

The five planning applications and two listed building consent applications went before Haringey’s Planning Sub-Committee on Monday 7 September as a briefing only. No decision was taken. The council’s report to members sets out what is proposed and who has objected to it.

The applications were submitted in 2023. Officers say they are only now ready to be briefed to councillors, mainly because of the extra community consultation the school has run since. The school expects the applications to come back for a decision before the end of the year.

What the school wants to build

Highgate School was founded in 1565 and now has 1,970 pupils across six sites, three in Highgate Village and three further west on Hampstead Lane and Bishopswood Road. The address on the applications is North Road, N6 4AY, and the whole estate sits on the boundary with Camden.

The seven live applications are:

• Dyne House and the Island Site (HGY/2023/0328). Keep, refurbish and extend the five-storey Dyne House; demolish and rebuild the buildings behind it as a part one, part two storey structure with a basement; convert it into a Sixth Form Centre with music facilities; resurface the Parade Ground as a sports pitch; alter the tunnel under Southwood Lane.
• Science Block (HGY/2023/0317). A four-storey plus basement extension to the east wing, a two-storey extension over the colonnade, a rooftop observatory, replacement windows and restored facades.
• Richards Music Centre (HGY/2023/0315). Full demolition and a two-and-a-half storey replacement with a basement, a studio theatre, drama classrooms and changing rooms. Floorspace rises from 624 sq m to 1,784 sq m, an increase of 1,160 sq m.
• Mallinson Sports Centre (HGY/2023/0338). Partial demolition, then a new double height sports hall, basement, classrooms, gym and studios, covered rugby fives courts and a sunken outdoor pitch.
• Junior Field decant facility (HGY/2023/0313). Single-storey modular classrooms on half the synthetic field, for up to six years.
• Listed building consent for Dyne House (HGY/2023/0679) and the Science Block (HGY/2023/0390).

A sixth planning application, to relevel the Far Field playing surface and lay a synthetic pitch (HGY/2023/0316), was withdrawn on 30 October 2025.

Where the objections are concentrated

Dyne House accounts for almost half of all the objections on its own.

The council’s own table records:

Officers note that many of the 2023 comments were repeated in 2026, and that some residents responded more than once. Only the Mallinson Sports Centre application was formally re-consulted on this year.

Five local groups objected: the Highgate Conservation Area Advisory Committee, the Highgate Society, the Highgate Neighbourhood Forum, the Southwood Lane Residents Association, and the Kingsley Place and Somerset Gardens Residents Association.

Their objections overlap heavily. The recurring themes in the council’s summary are:

• intensification of use and the increase in floorspace
• harm to listed buildings and the Highgate Conservation Area
• loss of openness to Highgate Bowl from the Dyne House extensions
• loss of mature trees, and the cumulative loss from trees already removed
• the length of the construction period and its impact on neighbours
• basement stability, groundwater and drainage
• two residents’ associations also object to how the consultation itself was handled

Sport England has objected as well, over the plan to put temporary classrooms on the artificial grass pitch. The council says that objection has been partly overcome through discussion about the length of the decant and a community use agreement.

Not everyone in the process is against it. The Greater London Authority raised only minor points, and the council’s Quality Review Panel, which looked at earlier versions in February 2022, was positive about all four main buildings.

Six to eight years, and half a hockey pitch

The bit residents keep returning to is time.

The school is asking for permission to run longer than the standard three years, so the sites can be built one at a time and the school can keep operating. Classes have to go somewhere while each building is out of use, which is what the decant facility is for: 2,460 sq m of single-storey modular classrooms on half the synthetic field between the music centre and the sports centre.

That costs half the existing hockey pitch and the tennis courts for the duration. The buildings would be removed and the surface replaced at the end.

The council’s report says the programme was initially envisaged as up to ten years. The school now says six to eight, partly because the Far Field application has been dropped. The decant facility would be in use for a significant part of that.

Will there be more pupils?

The school says no, and officers accept that, with a caveat worth reading carefully.

The report records that the school’s Needs Assessment describes an estate at near maximum capacity, and that the aim is better facilities for the pupils already there rather than more of them. Desk space actually falls. Dyne House goes from 17 general classrooms with 334 desk spaces to 26 smaller seminar rooms with 312, and across Dyne House and the Science Block together the total drops by around 46.

But officers also record that there is currently no cap on the number of pupils who can attend, that none is proposed in these applications, and that none has been required by officers to date. They add that better drama, music and sports facilities carry “some potential for a modest future increase in student intake in future”.

On trees, the report says removal would be limited to what is essential. Two mature trees beside the Mallinson Sports Centre, a lime and a sycamore, would go, with seven new ones along the street frontage. A further 32 trees, about 30 per cent of that group, would be removed for a flood basin, with 54 new forest-sized trees such as oak, lime and sweet chestnut planted in the woodland area.

Parking shrinks. Dyne House loses six off-street bays, replaced by two accessible bays. The music centre’s 12 bays are also rationalised down to two accessible bays.

One financial detail: the development is exempt from the Community Infrastructure Levy because of the school’s education and charitable status, so Haringey will not collect CIL money from it. A Section 106 agreement is being negotiated instead, likely to cover construction logistics, phasing, community use of the facilities and local employment during construction.

What it means for you

• Nothing is decided. Monday’s item was a briefing. The school expects the applications to go to committee for a decision before the end of 2026. The next Planning Sub-Committee meets on 5 October.
• You can still comment. These are live applications on Haringey’s public register, searchable by the references above at publicregister.haringey.gov.uk.
• If you live on Southwood Lane, North Road or Bishopswood Road, the construction period is the thing to read. Demolition and construction management plans and a wider construction logistics plan would be secured by condition, and the sequencing of the sites would be fixed through those conditions or the Section 106 agreement.
• If you use the school’s sports facilities, half the synthetic pitch goes for the duration of the decant, and a community use agreement is part of the negotiation.
• Watch the pupil numbers point. There is no cap now, none proposed, and none required. If that matters to you, it is the thing to say in a comment.

We track applications like this on our Crouch End planning news page.

Sources

• Haringey Council, Pre-Application Briefing to Planning Sub-Committee: Highgate School, 7 September 2026
• Haringey Council, Planning Sub-Committee agenda, 7 September 2026