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D3 Architects

An architecture practice. 25 planning applications on PlanIndex. On the register from 2021 to 2026.

18 granted and 0 refused of 18 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

What they file

  1. Full applications44%
  2. Amendments24%
  3. Outline12%
  4. Conditions8%
  5. Heritage and listed buildings8%

Track record

The 10 most recent applications naming this firm

  • PA26/00959/PREAPP Awaiting decision

    16 Springfield Park Mylor Bridge Falmouth Cornwall TR11 5SJ

    Pre-application advice to raise the bungalow roof to create rooms in the roof with a full dormer to the rear of the property.

    Submitted 4 Sep 2026 Outline
  • PA26/05190 Awaiting decision

    3 Parkvedras Terrace Truro Cornwall TR1 3DF

    Proposed extension and alterations to garage, utility and store to form home office and bathroom.

    Submitted 27 Jul 2026 Full applications
  • PA26/03988 Granted

    6 Riverview Penwerris Lane Falmouth Cornwall TR11 2PG

    Conversion of loft to form home office/study with dormer and demolition of ground floor utility room.

    Decided 17 Aug 2026 Full applications
  • PA26/03295 Granted

    Dervaig 19 Higher Well Park Mevagissey St Austell Cornwall PL26 6XA

    Proposed garage extension to form snug and utility.

    Decided 9 Jul 2026 Full applications
  • PA26/02436 Granted

    The Nook Parade Street Penzance Cornwall TR18 4BU

    Proposed first floor extension to form bedroom and proposed balcony replacing existing Juliet balconies.

    Decided 13 Aug 2026 Full applications
  • PA26/00629 Granted

    9 Trevilson Close St Newlyn East Newquay Cornwall TR8 5NX

    Proposed extension and alterations to form garage and extend lounge with variation of Conditions 2 and 3 of decision notice PA25/03019 dated 18/06/2025.

    Decided 14 May 2026 Amendments
  • PA26/00151 Granted

    The Nook Parade Street Penzance Cornwall TR18 4BU

    Non-material amendment in relation to decision notice PA23/07468 dated 21.03.2024 to raise the main roof section by 60cm.

    Decided 10 Mar 2026 Amendments
  • Land Adjacent 3 Halwyn Close Halwyn Close Carnon Downs Cornwall

    Pre application advice for construction of a single 2 or 1.5 storey dwelling on the site. Maximum of 2 bedrooms, probably 1 due to size of the site.

    Decided 23 Dec 2025 Outline
  • PA25/08092 Granted

    Carrick Barton Mylor Falmouth Cornwall TR11 5SU

    Proposed demolition of collapsed dwelling and replacing with new self custom build house and work to ancillary buildings at Carrick Barton (formerly called Little Carsawsen), Mylor with variation of condition 2 of decision notice PA25/03054 dated 16.07.2025.

    Decided 22 Dec 2025 Amendments
  • PA25/07239 Decided

    Little Carsawsen Mylor Cornwall TR11 5SU

    Non material amendment in relation to decision notice PA25/03054 dated 16.07.2025: Amendment to garage design

    Decided 15 Oct 2025 Amendments

15 more applications on 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

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