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Planning application

51 Romilly Road, London, N4 2QY

Granted Islington P2025/3024/COL Certificate of Lawfulness (Proposed)

Works: Loft or dormer

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of Lawfulness (Proposed) for the erection of a rear dormer roof exte

As published by the council, reference P2025/3024/COL

Application record

Reference
P2025/3024/COL
Type
Certificate of Lawfulness (Proposed)
Decision
Granted As published: Approve with no conditions
Received
24 Oct 2025
Validated
24 Oct 2025
Decided
12 Dec 2025
Postcode
N4 2QY

Site history

Applications at this address on the Islington register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • P2026/0084/FUL Granted

    51 Romilly Road, London, N4 2QY

    Erection of a rear dormer roof extension with asscoaited pv panels and installat

    Decided 16 Apr 2026 Householder

Timeline

Dates from the published record

  1. 24 Oct 2025

    Received by Islington

  2. 12 Dec 2025

    Decision issued: Approve with no conditions

  3. 8 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Upstairs Architects Agent, an architecture practice registered in London

Active · incorporated 2010 · London

1 application on PlanIndex

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

What this grant of permission means

Islington granted permission on 12 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 51 Romilly Road, London, N4 2QY

    P2026/0084/FUL Submitted 12 Jan 2026 50 yards away

    Erection of a rear dormer roof extension with asscoaited pv panels and installat

    Granted Householder Extension Loft or dormer
    Domestic

  • 27 Plimsoll Road, London, N4 2EN

    P2026/0971/COL Submitted 13 Apr 2026 50 yards away

    Erection of rear dormer with installation of rooflights on front slope.

    Granted Heritage and listed buildings Loft or dormer

  • 22 Romilly Road, London, N4 2QX

    P2025/3032/FUL Submitted 27 Oct 2025 50 yards away

    Erection of an outbuilding to contain plant room for an Air Source Heat Pump (AS

    Granted Householder
    Small domestic

  • Ground Floor Flat, 52 Romilly Road, London, N4 2QX

    P2026/1742/FUL Submitted 13 Jul 2026 50 yards away

    Demolition of the existing rear projections and erection of a single-storey rear

    Granted Full applications Demolition
    Small domestic

  • 68A Romilly Road, London, N4 2QX

    P2026/1900/FUL Submitted 3 Aug 2026 50 yards away

    Erection of single storey rear extension including courtyard. Demolition of exis

    Granted Householder Extension Demolition
    Small domestic

  • 37 Plimsoll Road, London, N4 2EN

    P2023/1099/FUL Submitted 13 Apr 2023 50 yards away

    Proposed erection of single storey rear extension to existing outrigger at second floor level and erection of rear dormer roof extension, and 2 no. roof lights to the front roofslope.

    Granted Householder Extension Loft or dormer 14 docs
    Small domestic

In Islington

  • P2026/2548/COL Status unknown

    Flat 5, St Peter's Street Mews, London, N1 8JF

    Certificate of Lawful (Existing) Use for the use of the ground floor property kn

    Received 28 Sep, published by the council 29 Sep 2026 Lawful development
  • P2026/2522/COL Status unknown

    Flat 6, 1-2 St Peter's Street Mews, London, N1 8JF

    Certificate of Lawful (Existing) Use for the use of Flat 6 as a self-contained r

    Received 28 Sep, published by the council 29 Sep 2026 Lawful development
  • P2026/2549/COL Status unknown

    Flat A, 42 Dartmouth Park Hill, London, NW5 1HN

    Certificate of Lawfulness (Existing) for the conversion of Flat A from a 1-bedro

    Received 25 Sep, published by the council 28 Sep 2026 Lawful development
  • P2026/2266/COL Granted

    32 Gillespie Road, London, N5 1LN

    Erection of rear dormer roof extensions to main and outrigger roofs, installatio

    Received 27 Aug, published by the council 2 Sep 2026 Lawful development
  • P2026/2525/COL Status unknown

    10A Rock Street, London, N4 2DN

    Certificate of Lawfulness (Proposed) for use of the site as a 5-person small-sca

    Received 24 Sep, published by the council 25 Sep 2026 Lawful development