Council planning record

Redevelopment of Dyne House, to include: 1) Retention, refurbishment, extension and basement works to the principal five storey Dyne House structure (plus plant and lift over run); 2) Demolition and redevelopment of the rear extension and associated buildings to the rear, with erection of a new part one and part two storey structure, together with new basement levels; 3) Retention of the Parade Ground open space, with new multi-use surface; 4) Associated improvements to the Island Site access and underground tunnel, including: demolition of existing service block and erection of a replacement part one and part two storey structure; and 5) Associated landscaping and improved provision for emergency services, servicing and disabled parking.

Dyne House, Southwood Lane, Hornsey, London, N6 5EE

Under ConsultationReference: HGY/2023/0328London Borough of Haringey

Last published check: 11 Oct 2026, 03:11. Check the council record for more recent changes.

Application location

Dyne House, Southwood Lane, Hornsey, London, N6 5EE

This record has no verified map location.

Application summary

Status
Under Consultation
Application type
Full planning permission
Received
Not published
Validated
8 Mar 2023
Determination deadline
27 Jun 2025
Local authority
London Borough of Haringey

Application overview

Redevelopment of Dyne House, to include: 1) Retention, refurbishment, extension and basement works to the principal five storey Dyne House structure (plus plant and lift over run); 2) Demolition and redevelopment of the rear extension and associated buildings to the rear, with erection of a new part one and part two storey structure, together with new basement levels; 3) Retention of the Parade Ground open space, with new multi-use surface; 4) Associated improvements to the Island Site access and underground tunnel, including: demolition of existing service block and erection of a replacement part one and part two storey structure; and 5) Associated landscaping and improved provision for emergency services, servicing and disabled parking.

Proposal details

Reference
HGY/2023/0328
Alternative references
PP-11861194
Ward
Highgate
Agent
Bidwells

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Documents 208 of 208

DocumentPublishedAction
Dyne - Basement Impact Assessment Part 3 · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 4 · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2623_L_230804_Dyne House - Long Section · PDF5 Jan 2026View
Dyne - Ecological Bat Survey (Feb 2017) · PDF1 Feb 2023View
Objection from the Highgate Conservation Area Advisory Committee to the Highgate School Transport Strategy document · PDF22 Mar 2024View
BS5837 - Dyne House - Arbtech AMS 01 (03) - 01-10-26 · PDF1 Oct 2026View
Dyne - Drainage Statement Part 1 · PDF1 Feb 2023View
Writtens Comments 001 · PDF3 Apr 2023View
A_HS-DH3-2100_D_230113_Existing Site Plan · PDF1 Feb 2023View
A_HS-IS_2310_G_230113_Level -01 Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2320_G_230113_Level -02 Demolition Plan · PDF1 Feb 2023View
Flood Risk Assessment (Estate Wide) Appendix_A · PDF1 Feb 2023View
Estate Wide - Statement of Community Involvment Addendum · PDF18 Feb 2026View
A_HS-IS_2510_G_230113_East (Courtyard) Proposed Elevation · PDF8 Mar 2023View
Dyne - Hopkins - A_HS-DH3-2429_N_250731_Level 04 Proposed GA Plan · PDF5 Jan 2026View
Objection from the Highgate Society · PDF18 May 2023View
230124 Site Wide Area Schedule · PDF1 Feb 2023View
A_HS-IS_2111_F_230113_Level 00 Existing GA Plan · PDF1 Feb 2023View
Highgate School Estate-Wide TS Final Issue 03 260923 · PDF30 Sept 2026View
Dyne - Hopkins - A_HS-DH3-2290_A_230804_Existing Section through Pool · PDF5 Jan 2026View
Objection on behalf of the Southwood Lane Residents Association · PDF23 May 2023View
A_HS-DH3-2321_G_230113_Level -01 Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2322_G_230113_Level 00 Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2425_M_230113_Level 00 Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-2124_A_230113_Level 02 Existing GA Plan · PDF1 Feb 2023View
A_HS-DH3-2521_J_230113_East and West Proposed Elevations · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-IS_2511_F_230804_North Elevation · PDF5 Jan 2026View
A_HS-IS_9105_B_230113_GIA and GEA_Existing and Proposed · PDF1 Feb 2023View
A_HS-DH3-2000_F_230113_Site Location plan · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2430_L_250731_Roof Level Proposed GA Plan · PDF5 Jan 2026View
A_HS-DH3-2120_D_230113_Level -02 Existing GA Plan · PDF1 Feb 2023View
A_HS-IS_2112_F_230113_Level 01 Existing GA Plan · PDF1 Feb 2023View
Dyne - Energy Statement Appendix A GLA Carbon Emission Reporting6 Feb 2023View
A_HS-DH3-2621_K_230113_Proposed Cross Sections · PDF1 Feb 2023View
A_HS-IS_2413_H_230113_Roof Level Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-2323_G_230113_Level 01 Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2325_G_230113_Level 03 Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2620_K_230113_Proposed Cross Sections · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2428_L_250731_Level 03 Proposed GA Plan · PDF5 Jan 2026View
Estate Wide - Highgate School - Appendix A, Addressing the Need; The School's Strategic Redevelopment Plan · PDF18 Feb 2026View
A_HS-DH3-2126_A_230113_Level 04 Existing GA Plan · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2405_A_230804_Proposed Site Plan - Existing buildings overlaid · PDF5 Jan 2026View
Dyne - Arboricultural Tree Protection (Construction) · PDF1 Feb 2023View
Dyne - Archaeological Assessment (Dyne House) · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 2 · PDF1 Feb 2023View
BIA Audit Report by CampbellReith · PDF20 Sept 2024View
A_HS-DH3-2123_A_230113_Level 01 Existing GA Plan · PDF1 Feb 2023View
A_HS-DH3-2427_M_230113_Level 02 Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-9105_E_230113_GIA and GEA Proposed · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2427_N_250731_Level 02 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Basement Impact Assessment Part 2 · PDF1 Feb 2023View
A_HS-DH3-2430_K_230113_Roof Level Proposed GA Plan · PDF1 Feb 2023View
Dyne - Hopkins - Design and Access Statement (July 2025) · PDF18 Feb 2026View
Alan Baxter Ltd Summary Report on Planning Application 2026-02-09 · PDF31 Mar 2026View
A_HS-DH3-2121_A_230113_Level -01 Existing GA Plan · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2421_N_250731_Level -04 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Basement Impact Assessment Part 6 · PDF1 Feb 2023View
Dyne - Basement Impact Assessment Part 5 · PDF23 Aug 2023View
A_HS-DH3-2327_G_230113_Roof Level Demolition Plan · PDF1 Feb 2023View
A_HS-DH3-2221_G_230223_Rear Buildings Existing Elevations · PDF28 Feb 2023View
A_HS-DH3-2426_M_230113_Level 01 Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-2422_M_230113_Level -03 Proposed GA Plan · PDF1 Feb 2023View
Dyne - Planning Statement - Revised (Oct 2025) · PDF18 Feb 2026View
Objection from the Highgate Conservation Area Advisory Committee · PDF5 Apr 2024View
Dyne - Drainage Statement Part 6 · PDF1 Feb 2023View
Dyne - Outline Methodology and Construction Logistic Plan · PDF1 Feb 2023View
A_HS-DH3-2127_A_230113_Roof Level Existing GA Plan · PDF1 Feb 2023View
A_HS-DH3-2220_F_230113_Front Building Existing Elevation · PDF1 Feb 2023View
Objection from the Southwood Lane Residents Association · PDF31 Mar 2026View
Dyne - Fire Statement · PDF1 Feb 2023View
Dyne - Statement of Community Involvement · PDF1 Feb 2023View
Dyne - Sustainability Statement · PDF1 Feb 2023View
Dyne - Heritage Statement · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2590_A_230804_Proposed Section through North Courtyard · PDF5 Jan 2026View
Independent BIA · PDF11 Mar 2024View
A_HS-DH3-2001_A_230223_Application Site Location Ownership Boundary - Site-wide Plan · PDF28 Feb 2023View
BS5837 - Dyne House - Arbtech TPP 01 Demo B - 01-10-26-(A0) · PDF1 Oct 2026View
Further objection and update from the Highgate Conservation Area Advisory Committee in respect of travel plans · PDF31 Mar 2026View
Dyne - Hopkins - A_HS-DH3-2422_N_250731_Level -03 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2423_N_250731_Level -02 Proposed GA Plan · PDF5 Jan 2026View
Public Meeting on Highgate School Development Plans · PDF19 Jun 2023View
Dyne - WLC Appendix A GLA Reporting Template6 Feb 2023View
Dyne - Circular Economy Appendix A (GLA Template)6 Feb 2023View
A_HS-DH3-2424_M_230113_Level -01 Proposed GA Plan · PDF1 Feb 2023View
Objection from The Twentieth Century Society · PDF15 Mar 2023View
BS5837 - Dyne House - Arbtech AIA 01 B - 01-10-26-(A0) · PDF1 Oct 2026View
A_HS-DH3-2122_D_230113_Level 00 Existing GA Plan · PDF1 Feb 2023View
Written Comments 002 · PDF26 Feb 2026View
Dyne - AECOM - Carbon Management Planning Responses Technical Note (Aug 2025) · PDF18 Feb 2026View
A_HS-DH3-9104_B_230113_GIA and GEA Existing · PDF1 Feb 2023View
BS5837 - Dyne House - Arbtech TPP 01 Con B - 01-10-26-(A0) · PDF1 Oct 2026View
Dyne - Hopkins - A_HS-DH3-2580_A_230804_Existing and Proposed Cross Sections · PDF5 Jan 2026View
Dyne - Design and Access Statement Part 9 · PDF1 Feb 2023View
Dyne - Drainage Statement Part 7 · PDF1 Feb 2023View
Dyne - Whole Life Carbon Assessment · PDF1 Feb 2023View
220202_FR_Highgate School Dyne House_report · PDF30 Mar 2023View
A_HS-DH3-2324_G_230113_Level 02 Demolition Plan · PDF1 Feb 2023View
Dyne - Basement Impact Assessment Part 4 · PDF1 Feb 2023View
A_HS-IS_2511_E_230113_North Proposed Elevation · PDF1 Feb 2023View
Comments from Natural England Annex A to standard letters - Dec Jan 22 (11) · PDF27 Mar 2023View
A_HS-IS_2611_E_230113_Proposed Long Sections · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2581_A_230804_Existing and Proposed Cross Sections · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2406_B_240517_Proposed Site Plan - SA42 Allocation and Open Space Allocation Boundaries · PDF5 Jan 2026View
Estate Wide - Estate Wide Programme Review & Construction Traffic Forecast (Aug 2025) · PDF18 Feb 2026View
Dyne - Design and Access Statement Part 8 · PDF1 Feb 2023View
W250_Condition 54 Report · PDF1 Feb 2023View
Dyne - Landscape Statement Rev P02 · PDF18 Feb 2026View
Comments from Natural England · PDF27 Mar 2023View
Dyne - Drainage Statement Part 3 · PDF1 Feb 2023View
Dyne - Drainage Statement Part 5 · PDF1 Feb 2023View
A_HS-DH3-2420_M_230113_Level -05 Proposed GA Plan · PDF1 Feb 2023View
Dyne - Transport Statement · PDF1 Feb 2023View
A_HS-RMC2-2010_A_230113_Estate Wide Plan · PDF1 Feb 2023View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL Dyne House Appendix 1 17.5.23 · PDF23 May 2023View
Dyne - Arboricultural Impact Assessment (Drawing) · PDF1 Feb 2023View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL Dyne House Appendix 5 17.5.23 · PDF23 May 2023View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL DYNE HOUSE 23_5_23 · PDF23 May 2023View
Highgate School Travel Plan · PDF6 Oct 2023View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL Dyne House Appendix 2 17.5.23 · PDF23 May 2023View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL Dyne House Appendix 4 17.5.23 · PDF23 May 2023View
Dyne - Noise Report · PDF1 Feb 2023View
Estate Wide - TPA - Active Travel Zone, Healthy Streets Assessment - 1903-079 TN01 - Active Travel Zone (Healthy Streets) Assessment · PDF18 Feb 2026View
Objection from the Highgate Conservation Area Advisory Committee - HIGHGATE SCHOOL Dyne House Appendix 3 18.5.23 · PDF23 May 2023View
Dyne - Drainage Statement Part 2 · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2400_F_250731_Proposed Site Plan · PDF5 Jan 2026View
A_HS-DH3-2125_A_230113_Level 03 Existing GA Plan · PDF1 Feb 2023View
A_HS-DH3-2421_M_230113_Level -04 Proposed GA Plan · PDF1 Feb 2023View
Dyne - Archaeological Assessment (Island Site) · PDF1 Feb 2023View
Dyne - Basement Impact Assessment Part 1 · PDF1 Feb 2023View
A_HS-DH3-2326_G_230113_Level 04 Demolition Plan · PDF1 Feb 2023View
A_HS-IS_2512_F_230113_East (Southwood Lane) Proposed Elevation · PDF8 Mar 2023View
A_HS-IS_2311_D_230113_Level 00 Demolition Plan · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 6 · PDF1 Feb 2023View
A_HS-IS_2312_G_230113_Level 01 Demolition Plan · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 7 · PDF1 Feb 2023View
Highgate Conservation Area Advisory Committee - supplemental objections to HGY-2023-0313, HGY-2023-0316, HGY-2023-0317, HGY-2023-0328 and HGY-2023-0338 · PDF23 May 2023View
Dyne - Hopkins - A_HS-DH3-2520_K_230804_Dyne House - GA South and North Elevations · PDF5 Jan 2026View
Flood Risk Assessment (Estate Wide) Appendix_C · PDF1 Feb 2023View
A_HS-IS-2113_A_230223_Roof Level Existing GA Plan · PDF28 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2291_A_230804_Existing Section through Auditorium · PDF5 Jan 2026View
Comments from the Metropolitan Police Designing Out Crime Office · PDF2 May 2023View
Dyne - Arboricultural Method Statement · PDF1 Feb 2023View
A_HS-DH3-2423_M_230113_Level -02 Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-2400_F_230223_Proposed Site Plan · PDF28 Feb 2023View
230919 MEMO Highgate School Register Review 0315 0317 0328 · PDF6 Oct 2023View
Dyne - Basement Impact Assessment Part 5 · PDF6 Oct 2023View
Dyne - Landscape General Arrangement P02 · PDF18 Feb 2026View
Alan Baxter CMP comments Dyne · PDF25 May 2023View
Geotechnical Consulting Group LLP comments on Dyne House BIA v3 · PDF31 Mar 2026View
Dyne - Cover Letter · PDF6 Oct 2023View
Objection from the Highgate Conservation Area Advisory Committee · PDF7 Apr 2026View
Dyne - Energy Statement · PDF1 Feb 2023View
Dyne - Flood Risk Note · PDF1 Feb 2023View
A_HS-DH3-2623_K_230223_Proposed Long Sections · PDF28 Feb 2023View
Dyne - Expedition - Basment Impact Assessment Rev 03 · PDF18 Feb 2026View
Dyne - Drainage Statement Part 4 · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 3 · PDF1 Feb 2023View
Flood Risk Assessment (Estate Wide) Appendix_B · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 10 · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2591_A_230804_Proposed Section through Auditorium · PDF5 Jan 2026View
Dyne - Circular Economy Statement · PDF1 Feb 2023View
Dyne - Landscape General Arrangement · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2582_A_230804_Existing and Proposed Long Sections · PDF5 Jan 2026View
Comments from the Greater London Archaeology Advisory Service · PDF21 Mar 2023View
Objection dated 22 May 2023 on behalf of the Southwood Lane Residents Association · PDF31 Mar 2026View
Dyne - MEP Report · PDF1 Feb 2023View
A_HS-DH3-2428_K_230113_Level 03 Proposed GA Plan · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2270_A_230804_Existing Site Sections · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2424_N_250731_Level -01 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2420_N_250731_Level -05 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Daylight and Sunlight Report · PDF1 Feb 2023View
Dyne - Ecological Impact Assessment (Oct 2022) · PDF1 Feb 2023View
Dyne - Pre-Demolition and Pre-Redevelopment Audit Report · PDF1 Feb 2023View
Dyne House_Planning Statement · PDF1 Feb 2023View
A_HS-IS_2210_F_230113_East (Southwood Lane) Existing Elevation · PDF1 Feb 2023View
A_HS-IS_2211_E_230113_North Existing Elevation · PDF1 Feb 2023View
Dyne - Dust and Emissions Assessment · PDF1 Feb 2023View
Dyne - Ecological (Preliminary) Appraisal Survey (Feb 2017) · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2425_N_250731_Level 00 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2426_N_250731_Level 01 Proposed GA Plan · PDF5 Jan 2026View
Dyne - Hopkins - A_HS-DH3-2585_A_230804_Boundary Wall Elevations · PDF5 Jan 2026View
A_HS-IS_2411_H_230113_Level 00 Proposed GA Plan · PDF1 Feb 2023View
A_HS-IS_2412_H_230113_Level 01 Proposed GA Plan · PDF1 Feb 2023View
Comments from LBH Flood & Water Management · PDF3 May 2023View
A_HS-IS_2610_F_230113_Proposed Cross Sections · PDF1 Feb 2023View
A_HS-IS_2410_H_230113_Level -01 Proposed GA Plan · PDF1 Feb 2023View
ApplicationFormRedacted · PDF1 Feb 2023View
Objection from the Kingsley Place Residents Association · PDF21 Apr 2023View
220202_FR_Highgate School Dyne House_report · PDF2 Feb 2022View
Dyne - Air Quality Assessment · PDF1 Feb 2023View
Pre Application Briefing to Planning Sub Committee · PDF12 Apr 2023View
Flood Risk Assessment (Estate Wide) · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-DH3-2570_A_230804_Proposed Site Sections · PDF5 Jan 2026View
Comments from LBH Pollution Officer · PDF3 Jul 2023View
A_HS-IS_2110_F_230113_Level -01 Existing GA Plan · PDF1 Feb 2023View
Dyne - Design and Access Statement Part 1 · PDF1 Feb 2023View
Dyne - Arboricultural Tree Protection (Demolition) · PDF1 Feb 2023View
Dyne - Construction Management Plan · PDF1 Feb 2023View
Dyne - Landscape Statement · PDF1 Feb 2023View
Dyne - Operational Waste Management Note (Estate Wide) · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-IS_2512_F_230804_East Elevation (Southwood Lane) · PDF5 Jan 2026View
Dyne - Design and Access Statement Part 5 · PDF1 Feb 2023View
A_HS-DH3-2622_L_230223__Proposed Long Sections · PDF28 Feb 2023View
Dyne - Hopkins - A_HS-IS_2510_G_230804_East Elevation (Courtyard) · PDF5 Jan 2026View
A_HS-DH3-2429_M_230113_Level 04 Proposed GA Plan · PDF1 Feb 2023View
A_HS-DH3-2520_J_230113_South and North Proposed Elevations · PDF1 Feb 2023View
Dyne - Hopkins - A_HS-IS_2612_A_230804_Proposed Long Tunnel Section · PDF5 Jan 2026View
Estate Wide - Applied Ecology - Highgate School Biodiversity Enhancement Plan (Aug 2025) · PDF18 Feb 2026View

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