42 Southwood Lane Hornsey London N6 5EB Data via plota.co.uk

HGY/2025/2545 - Listed building consent (Alt/Ext) Approved

Proposal

Listed Building Consent for part retrospective and remediation of unconsented works including: reinstatement of the spine wall at LGF; reinstatement of spine wall at GF; reinstatement of lath and lime plaster ceilings and walls; reinstatement of historically appropriate features including cornices, skirting and architraves, and other minor internal alterations. Data via plota.co.uk

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View original council record ↗Last checked 14 Oct 2026, 00:12

Street View

Application progress

✓

Received

around 14 Oct 2025

✓

Approved

20 May 2026

Approved on 20 May 2026 · Delegated Decision · Last checked 10 Oct 2026

Documents 125

Decision & officer reports 1

PDF DM Decision.pdf PDF · 20 May 2026 View ↗

Statements & assessments 5

PDF 20260318_LVT_42 Southwood Lane_Design Heritage Statement PDF · 13 May 2026 View ↗ PDF 192-DET-B7-rev C-Lower Ground Floor_ Vault Cavity Wall Drainage System PDF · 13 May 2026 View ↗ PDF 20251009 SLHA_42 Southwood Lane - Design and Heritage Statement PDF · 14 Oct 2025 View ↗ PDF 192-DET-B7-rev02_Lower Ground Floor_ Vault Cavity Wall Drainage System PDF · 14 Oct 2025 View ↗ PDF 20250707 Conisbee Structural Assessment Report.pdf PDF · 19 Sept 2025 View ↗

Plans & drawings 37

Other documents 82

All documents on the council site ↗

Associated applications 2

Listed buildingApproved20 May 2026HGY/2025/2545This application
Listed Building Consent for part retrospective and remediation of unconsented works including: reinstatement of the spine wall…
Conditions 4, 5, 6, 7, 8, 9, 12 discharged
- ConditionsApproval of details pursuant to conditions 4, 5, 6, 7, 8, 9, 12 (materials and details)10 Aug 2026HGY/2026/2253

Site constraints 6

Grade II listed: 24-48, Southwood Lane N6

List entry 1079165 · The pin is inside its outline · 25 more listed buildings within 150 m (1 Grade II*, 22 Grade II)

Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.

Show the other 25 with distances

16 m50 and 54, Southwood Lane N6Grade II
26 mSir John Woolaston's AlmshousesGrade II
42 mSouthwood LodgeGrade II
51 m22, Southwood Lane N6Grade II
66 mThe Highgate TabernacleGrade II
68 mHighgate School, Old School BuildingGrade II
81 m20a, Southwood Lane N6Grade II
85 m20, Southwood Lane N6Grade II
91 m18, Southwood Lane N6Grade II
100 m16, Southwood Lane N6Grade II
103 m37-43, North Road N6Grade II
104 m35, North Road N6Grade II
105 m47 and 49, North Road N6Grade II
105 m33 and 33a, North Road N6Grade II
106 m31, North Road N6Grade II
108 mGloucester HouseGrade II
108 m27 and 29, North Road N6Grade II
115 m23 North RoadGrade II
119 mThe SycamoresGrade II*
122 mGas LampGrade II
139 m12, Southwood Lane N6Grade II
143 mHampton LodgeGrade II
148 mNorth Road - No.11A
149 mNorth Road - No 13 ( Byron House )
150 m10, Southwood Lane N6Grade II

Historic England ↗

Highgate conservation area

Demolition needs planning permission and permitted development is restricted.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Council document ↗

Archaeological priority area

An assessment or field evaluation may be asked for before ground works.

The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.

Air quality management area: Haringey AQMA

The council has declared the area as failing an air quality objective.

Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.

Council record ↗

Also on the record

Inside the Haringey built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.

Not affected

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area148 m² (1,593 sq ft)

Energy ratingE (52 out of 100)

PropertyMid-terrace house, 7 habitable rooms

BuiltBefore 1900

HeatingBoiler and radiators, mains gas

WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2011, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Other new applications on this street

4 Nov 2026Pending

40 Southwood Lane Hornsey London N6 5EB

Eucalyptus - Crown reduce the height by approx 3.0m Crown...

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Front garden: fig (T1) - fell. Reason: An initial assessment (not a full arbori...

HGY/2026/2180

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4 Nov 2026Pending

40 Southwood Lane Hornsey London N6 5EB

Eucalyptus - Crown reduce the height by approx 3.0m Crown...

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2 Nov 2026Pending

12 Kingsley Place Hornsey London N6 5EA

T1: Ash (18m): Reduce overhang back to boundary removing 3m of growth to reduce ...

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30 Oct 2026Pending

Highgate Cemetery Swain's Lane London N6 6PJ

WEST CEMETERY: 1 x Cherry tree (Prunus) (T052) - Fell to ground level.

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30 Oct 2026Pending

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EAST CEMETERY: 1 x Elm (T1) - Fell to ground level.

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Important details

Council: Haringey
Application type: Listed building consent (Alt/Ext)
Postcode: N6 5EB
Received: around 14 Oct 2025
Validated: 14 Oct 2025
Ward: Highgate
Decision: Approve with Conditions
Decision date: 20 May 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Show

How this decision compares

Decided in 218 days from validation, 89 days slower than Haringey's median of 129 for listed building consent. Approved, as 93% of listed building consent here are.

This one218d

Council129d

UK59d

14%decided within 8 weeks

93%approved

28decided in the last year

Plota live figures for listed building consent decided by Haringey in the last twelve months, from validation. Haringey decision record →

Public comments

No public comments yet.

Last counted 10 Oct 2026

Read the comments on the council site ↗

Historical activity at this location

29 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Withdrawn

Listed building consent for structural works to install a steel at LGF level to support t…

HGY/2024/1439 2 Jul 2025

2024 Approved

Approval in part of details pursuant to condition 3 (details) attached to listed building…

HGY/2024/0074 24 Jul 2024

2023 Approved

Erection of timber framed outbuilding/ Garden Studio in rear garden.

HGY/2023/2997 19 Jan 2024

2023 Withdrawn

Erection of timber framed outbuilding/ Garden Studio in rear garden of Grade II listed bu…

HGY/2023/2805 10 Jan 2024

Within ~100m

Nearby activity

2025 Approved

13 Kingsley Place, Hornsey, London, N6 5EA

The installation of 23 X 470 watt Solar panels on the flat roof.

HGY/2025/2122 27 Feb 2026

2025 Approved

Highgate School, North Road, Hornsey, London, N6 4AY

Works to trees protected by a TPO. T114: Common Ash (10m): Fell – Dead tree failed at bas…

HGY/2025/3386 21 Jan 2026

2025 Approved

33 Kingsley Place, Hornsey, London, N6 5EA

Yew - Situated to the East in close proximity of main building (House) Crown thin by 40%…

HGY/2025/3462 30 Dec 2025

2025 Approved

11 Kingsley Place, Hornsey, London, N6 5EA

T1: Indian bean tree (8m): Crown reduce by 2m to keep at a size suitable for its location…

HGY/2025/3146 22 Dec 2025

2025 Approved

33 Kingsley Place, Hornsey, London, N6 5EA

Row of Limes - Situated on the West boundary Crown reduce new growth back to the previous…

HGY/2025/2980 19 Nov 2025

2025 Approved

32 Kingsley Place, Hornsey, London, N6 5EA

T1 - Cypress - reduce crown by approx. 2m, lateral growth by 1m, T2 - Yew - reduce crown…

HGY/2025/2356 13 Nov 2025

2025 Approved

33 Kingsley Place, Hornsey, London, N6 5EA

9 x Lime - Crown reduce the height and spread back to previous reduction points (approx…

HGY/2025/2904 11 Nov 2025

2025 Approved

45 Southwood Lane, Hornsey, London, N6 5ED

Single Storey Rear Extension

HGY/2025/2043 29 Sep 2025

2025 Approved

54 Southwood Lane, Hornsey, London, N6 5EB

T1 - Lime - reduce crown to points of previous reduction (1-1.5m branch removal)

HGY/2025/2353 26 Sep 2025

2025 Approved

44 Southwood Lane, Hornsey, London, N6 5EB

Listed building consent to replace the flat roof overlay, repoint the chimney and replace…

HGY/2025/1882 22 Sep 2025

2025 Approved

32 North Road, Hornsey, London, N6 4AX

Rear garden: acer (T1) lightly reduce back to previous cuts where necessary, taking up to…

HGY/2025/2050 14 Aug 2025

2024 Approved

Highgate School, North Road, Hornsey, London, N6 4AY

T29: Plum (5m): Fell as splitting out

HGY/2024/2960 10 Dec 2024

2024 Approved

29 Kingsley Place, Hornsey, London, N6 5EA

3 x Birch - Remove smallest Birch (this tree is underdeveloped and stunted by the taller…

HGY/2024/2905 2 Dec 2024

2024 Approved

12 Kingsley Place, Hornsey, London, N6 5EA

T1: Eucalyptus (8m): Reduce height by 2m shape to keep tree at a size suitable for its lo…

HGY/2024/2665 31 Oct 2024

2024 Approved

22, Kingsley Place, London, N6 5EA

Erection of a single storey rear extension with courtyard

HGY/2024/1215 25 Jul 2024

2024 Approved

23B Kingsley Place, Hornsey, London, N6 5EA

Rear Garden: Leyland Cypress T1 (18M high, 1100mm dia.) - Fell. ( tree has outgrown the l…

HGY/2024/1391 11 Jul 2024

2024 Approved

Highgate School, North Road, Hornsey, London, N6 4AY

Addition of 2 new smoke-vent rooflights to the main flat roof of the existing Charter Bui…

HGY/2024/1285 25 Jun 2024

2024 Approved

22 Kingsley Place, Hornsey, London, N6 5EA

Cotoneaster (T1) - Fell. The tree is entirely over the neighbour's garden. The root plate…

HGY/2024/1013 16 May 2024

2024 Approved

54 Southwood Lane, Hornsey, London, N6 5EB

T1 Lime - reduce crown to most recent points of reduction (2m approx. branch removal). Re…

HGY/2024/0795 1 May 2024

2024 Refused

22, Kingsley Place, London, N6 5EA

Erection of single storey rear extension with courtyard

HGY/2024/0269 27 Mar 2024

2017 Approved

34 Southwood Lane London N6 5EB

Alterations to roof to match neighbouring properties and erection of outbuilding in rear…

HGY/2017/1555 14 Aug 2017

2017 Approved

34 Southwood Lane London N6 5EB

Listed Building Consent for; alterations to roof to match form and style of neighbouring…

HGY/2017/1544 14 Aug 2017

2016 Approved

45 Southwood Lane London N6 5ED

Creation of basement, front and rear lightwells and single storey rear extension.

HGY/2016/3772 6 Jun 2017

2016 Approved

38 North Road London N6 4AX

Loft extension to detached house involving increase in ridge height.

HGY/2016/2689 7 Oct 2016

2016 Approved

53 Southwood Lane London N6 5DX

Formation of basement with lightwells.

HGY/2016/0263 15 Apr 2016

Haringey

Planning Authority Score

4/10

Below average

#192 of 296 councils

Relevant to this application:

Other decisions

Haringey is slower than most councils at deciding householder applications, ranking #209 out of 296. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).

Slower than most councils

for householder decisions

These figures are council-wide context, not a prediction for this application. View full council performance

Haringey decision statistics

Based on MHCLG data, the year to March 2026

85%

Overall approval rate

Below avg (87%) #206 of 296

91%

Householder approved

Above avg (90%) #174 of 296

55%

Decided in 8 weeks

Below avg (63%) #209 of 296

40%

Extended time limit

Below avg (41%) #151 of 296

83%

Minor dwellings approved

279 decided (1-9 homes)

100%

Major dwellings approved

8 decided (10+ homes)

46%

Change of use approved

28 decided

1,469

Total decisions

217 refused in the year to March 2026

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.