Skip to content
PlanIndex Get alerts
Menu

Planning agent

Square One Architects Ltd

An architecture practice registered in Covent Garden. 7 planning applications on PlanIndex across 3 councils . On the register from 2021 to 2026.

Where they work

What they file

  1. Householder33%
  2. Lawful development33%
  3. Full applications17%
  4. Heritage and listed buildings17%

Company record

From Companies House. Company information only; we never show personal contact details.

Registered name
SQUARE ONE ARCHITECTS LTD
Company number
09822880
Status
Active
Incorporated
13 October 2015
Registered in
Covent Garden

Track record

The 7 most recent applications naming this firm

  • 26/01137/HOU Awaiting decision

    23 Harfield Road Sunbury-on-Thames TW16 5PT

    Erection of a single storey rear extension, pergola, garage conversion into habitable space, first-floor front extension, and associated internal alterations.

    Submitted 29 Oct 2026 Householder
  • 26/P/00620 Granted

    Grenville, Surrey Gardens, Effingham Junction, Effingham, Leatherhead, KT24 5HF

    Erection of ground floor rear and side extensions and the addition of a first-floor extension to ...

    Decided 26 Aug 2026
  • 26/00128/HOU Granted

    51 Montford Road Sunbury-on-Thames TW16 6EJ

    Erection of a front porch

    Decided 2 Apr 2026 Householder
  • 25/01499/CPD Granted

    51 Montford Road Sunbury-on-Thames TW16 6EJ

    Certificate of lawfulness for proposed ground floor rear extension and internal alterations

    Decided 4 Feb 2026 Lawful development
  • 22/04428/FUL Granted

    39 Cleaver Square London Lambeth SE11 4EA

    Erection of a single-storey ground floor rear extension to replace the existing extension, together with internal alterations to include installation of a new kitchen and a new en-suite bathroom at second floor level.

    Decided 2 Mar 2023 Full applications
  • 22/04429/LB Granted

    39 Cleaver Square London Lambeth SE11 4EA

    Listed building consent : Erection of a single-storey ground floor rear extension to replace the existing extension, together with internal alterations to include installation of a new kitchen and a new en-suite bathroom at second floor level.

    Decided 2 Mar 2023 Heritage and listed buildings
  • 21/01100/CPD Granted

    8 Brackenwood Sunbury-on-Thames TW16 6SQ

    Certificate of Lawfulness for the proposed development of a single storey rear extension.

    Decided 17 Aug 2021 Lawful development

The full track record

Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.

See the full track record

Is this your firm? Put your record on your website


A badge with your figures from the public register, updated as new decisions come in. Paste this where you want it to appear. Click the code to select all of it.

<a href="https://planindex.co.uk/agent/square-one-architects-ltd"><img src="https://planindex.co.uk/embed/firm/square-one-architects-ltd.svg" alt="Square One Architects Ltd: planning applications and approval record on PlanIndex" width="300" height="72"></a>

All the free widgets

Is this your firm? Sign in or create a free account with your work email to claim it, add a contact line and get the badge.

From council registers and Companies House. Counts describe the records we hold, not a firm's complete history. Request a correction or removal.