Public evidence profile · Checked April 2026

Garnett Architecture LLP

Architect
Planning history
24 public planning applications
Credentials & registries
Royal Institute of British Architects

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Credentials1 credential shown
Verified planning history

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Planning history

Garnett Architecture LLP’s real planning history from public planning applications, showing where they’ve worked and how often schemes were approved. · Active 2023–2026

approval rate100%
planning applications24
approved schemes11
councils worked in1

What they work on

The kinds of project Garnett Architecture LLP has filed planning applications for.

  • Loft conversion2
  • Rear extension2
  • Extension5
  • Basement7
  • Balcony / roof terrace3
  • Listed building / conservation2
  • Demolition1
  • Roof / fenestration5
  • Solar / renewables2

Where they’ve worked

Each pin is a planning application, coloured by the council decision we found.

Council experience

Recent planning applications

  • Approved46 Manchester Street London W1U 7LSInstallation of porcelain decking, liquid waterproofing and lead flashing to rear ground floor roof. (linked to 25/08883/FULL)Westminster · 2026 · W1U 7LS
  • No decision33 Robert Adam Street London W1U 3HPVariation of condition 3 of planning permission dated 19th February 2024 (RN:23/06458/FULL) for the removal of facades at Ground & First; New Entrance, with stone features, glazed facade, new entrance doors, and new planters; Replacement of windows; New louvred shutters to South-facing windows; Replacement MEP services and associated plant; New cycle storage in basement; Upgrade to internal offices; New roof covering & insulation and associated works. NAMELY, to allow the roof area shown on drawing 0950-GAR-A-0155-P04_PROP_RF can be used for the installation of photovoltaic (PV) panels, to reduce energy demand from the grid and improve the building.Westminster · 2026 · W1U 3HP
  • Approved46 Manchester Street London W1U 7LSVariation of Condition 7 of planning permission dated 25 September 2023 (RN: 22/05897/FULL) for, "Installation of 4x air source heat pumps at roof level, single-story extension to the existing rear ground floor to extend existing office use, erection of small closet extension to accommodate WCs at rear mid-ground/first and mid-first/second floors, replacement of non-original windows with double glazed timber sash windows, external repairs to building and associated works, all in association with continued office (Class E) use"; NAMELY, to allow the use of ground floor roof as a communal roof terrace for occupiers of the building. (Application under Section 73).Westminster · 2026 · W1U 7LS
  • Approved2 Spanish Place London W1U 3HFReinstatement of the crossover infill wall and installation of fully glazed pair of doors and removal of non-original decorative elements from the first floor balconies. [Linked to 25/08842/LBC]Westminster · 2026 · W1U 3HF
  • Approved2 Spanish Place London W1U 3HFReinstatement of the crossover infill wall and installation of fully glazed pair of doors and removal of non-original decorative elements from the first floor balconies. [Linked to 25/08841/FULL]Westminster · 2026 · W1U 3HF
  • No decision1 Berkeley Mews London W1H 7ATAmendments to planning permission dated 22nd May 2024 (RN 23/07126/FULL) for thePartial demolition behind partially retained facades, use of 2 Berkeley Mews as office accommodation (Class E) and amalgamation with existing office (class E) use at 1 Berkeley Mews, associated internal and external alterations, provision of external plant and repair works all in connection with a land use swap with 28 Dorset Street (RN: 23/07147/FULL). NAMELY, to add an additional access conservation rooflight to the rear pitch of the main roof on 2 Berkeley Mews.Westminster · 2025 · W1H 7AT
  • No decision2 Manchester Square London W1U 3PAProposed infill of rear lightwell with walk-on, fire rated rooflights. Removal of the existing metal grill covering the lightwell; Infilling the lightwell at ground floor level to create an internal space; Installation of walk-on rooflights flush with the surrounding deck to allow daylight into the lower ground floor; Associated internal works to integrate the new structure, including provision for mechanical ventilation where required. New air handling unit to service rear room which has now become internal. Extended ventilation to service void under the suspended timber floor; Replacement of existing lead roof section on the ground floor, on a small corner adjacent to the bay window; Additional insulation to the rear lightwell floor slab, as this space will become internal; Revised floor build-up to the lower ground floor, rear extension room following discovery of the gridded masonry structure below the existing concrete slab. In order to preserve historic fabric a revised build-up and a step up to the rear section of the lower ground floor will be required. (Linked to 25/07164/LBC)Westminster · 2025 · W1U 3PA
  • No decision2 Manchester Square London W1U 3PAProposed infill of rear lightwell with walk-on, fire rated rooflights. Removal of the existing metal grill covering the lightwell; Infilling the lightwell at ground floor level to create an internal space; Installation of walk-on rooflights flush with the surrounding deck to allow daylight into the lower ground floor; Associated internal works to integrate the new structure, including provision for mechanical ventilation where required. New air handling unit to service rear room which has now become internal. Extended ventilation to service void under the suspended timber floor; Replacement of existing lead roof section on the ground floor, on a small corner adjacent to the bay window; Additional insulation to the rear lightwell floor slab, as this space will become internal; Revised floor build-up to the lower ground floor, rear extension room following discovery of the gridded masonry structure below the existing concrete slab. In order to preserve historic fabric a revised build-up and a step up to the rear section of the lower ground floor will be required. (Linked to 25/07163/FULL)Westminster · 2025 · W1U 3PA
Show all 24 planning applications
  • No decision28 Dorset Street London W1U 8ARDetailed drawings including elevation and section drawings of the new front basement area steps pursuant to condition 5 of planning permission dated 22nd May 2024 (RN: 23/07147/FULL)Westminster · 2025 · W1U 8AR
  • No decision1 Berkeley Mews London W1H 7ATDetails of new windows and doors pursuant to condition 9 of planning permission dated 22 May 2024 (RN: 23/07126/FULL).Westminster · 2025 · W1H 7AT
  • No decision2 Spanish Place London W1U 3HFDetailed drawings of all new fireplaces and fireplace surrounds pursuant to condition 3 (c) of listed building consent dated 30th November 2022 (RN:22/05000).Westminster · 2025 · W1U 3HF
  • Approved46 Manchester Street London W1U 7LSInstallation of a conservation rooflight window within the roof central valley to replace the existing dormer. (Linked with 23/07149/LBC)Westminster · 2024 · W1U 7LS
  • Approved46 Manchester Street London W1U 7LSInstallation of a conservation rooflight window within the roof central valley to replace the existing dormer. (Linked wth 23/07148/FULL)Westminster · 2024 · W1U 7LS
  • Approved27 Gloucester Place London W1U 8HUAlterations at lower ground floor level including extension within front lightwell, replacement of flat roof to rear and creation of terrace, and internal alterations.Westminster · 2023 · W1U 8HU
  • ApprovedBasement 27 And 29 Gloucester Place London W1U 8HUAlterations at lower ground floor level to the rear of No.27 Gloucester Place and internal alterations at basement floor level to both No. 27 and 29 Gloucester Place.Westminster · 2023 · W1U 8HU
  • Approved27 Gloucester Place London W1U 8HUAlterations at lower ground floor level including extension within front lightwell, replacement of flat roof to rear and creation of terrace.Westminster · 2023 · W1U 8HU
  • No decision2 Spanish Place London W1U 3HFDetails of all new fireplaces and fireplace surrounds pursuant to Condition 3 (part c) of listed building consent dated 30th November 2022 (RN: 22/05000/LBC).Westminster · 2023 · W1U 3HF
  • No decision2 Spanish Place London W1U 3HFDetails of all new fireplaces and fireplace surrounds pursuant to Condition 6 (part c) of planning permission dated 30th November 2022 (RN: 22/04999/FULL).Westminster · 2023 · W1U 3HF
  • No decision2 Spanish Place London W1U 3HFRermoval of Condition 3 of planning permission dated 30th November 2022 (RN: 22/04999/FULL) for, 'Alterations to lower ground floor with minor alterations to layout and reinstatement of vault, use of ground floor as extension to existing flat over first to third floor levels (Class C3), introduction of roof terrace, installation of plant and associated internal and external alterations'; Namely, to omit the requirement to provide details cycle storage. (Application under Section 73 of the Act).Westminster · 2023 · W1U 3HF
  • No decision2 Spanish Place London W1U 3HFDetails of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to Condition 4 of planning permission dated 30th November 2022 (RN: 22/04999/FULL).Westminster · 2023 · W1U 3HF
  • No decision2 Spanish Place London W1U 3HFDetails of all new service routes to bathrooms and kitchen pursuant to Condition 3 (part e) of listed building consent dated 30th November 2022 (RN: 22/05000/LBC).Westminster · 2023 · W1U 3HF
  • No decision2 Spanish Place London W1U 3HFDetails of all new joinery, including the reuse of historic door pursuant to Condition 3 (part d) of listed building consent dated 30th November 2022 (RN: 22/05000/LBC).Westminster · 2023 · W1U 3HF
  • Approved36 Manchester Street London W1U 7LHInstallation of an air source heat pump within Sound Reducing Cover at rear elevation and fan coil units to the ground floor.Westminster · 2023 · W1U 7LH
  • Approved36 Manchester Street London W1U 7LHInstallation of an air source heat pump within Sound Reducing Cover at rear elevation.Westminster · 2023 · W1U 7LH

Heritage experience: 7 listed-building or conservation-area consent applications found in official planning applications.

See planning applications in W1U

Credentials and associations

Credentials and memberships

1

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Reviews · public evidence

What customers say

These review totals are published independently on the named public source below, not testimonials this business chose to show. We show the aggregate rating, review volume, and source attribution we hold so you can weigh the evidence yourself.

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Sources

Where this information comes from

1 named public source

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Public evidence last checked April 2026

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Check the Architects Register
Only someone on the Architects Registration Board (ARB) register may legally call themselves an 'architect' in the UK. Ask for their ARB number and check it free at arb.org.uk. An 'architectural designer' or 'technologist' is a different, unregistered role (often capable, but not the same protection).
Agree how they charge before any work starts (a percentage of the build cost, a fixed fee, or an hourly rate) and exactly which stages it covers (concept design, planning application, building-regulations drawings, work on site), so there are no surprises later.
Confirm what they will actually handle versus what is excluded (the planning application, the building-control drawings, and whether they will administer the builder's contract on site), and get it, and a portfolio of similar projects, in writing.

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Good to know

Common questions about Garnett Architecture LLP

Is Garnett Architecture LLP qualified and accredited?

We hold 1 independently sourced credential for Garnett Architecture LLP, including Royal Institute of British Architects. Each is attributed to the body that issued it in the credentials section. For example, Royal Institute of British Architects is the Royal Institute of British Architects, the chartered professional body for architects.

Has Garnett Architecture LLP had planning applications approved?

Public council decisions show 11 approved applications for Garnett Architecture LLP, the most recent in 2026. That's a 100% approval rate across 11 decided applications, not a self-declared claim.