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Planning application

19 High Street Llandaff Cardiff CF5 2DY

Granted Cardiff 25/01465/LBC Listed Building Consent

Works: Extension Loft or dormer Roofing Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey rear extension, rear dormer extension, roof light to rear and other associated external alterations including a new front gate and wall, replacement gutters and drainpipes, roof repair and renewal, new and replacement windows, and stone repairs. Internal alterations to the property.

As published by the council, reference 25/01465/LBC

Application record

Reference
25/01465/LBC
Type
Listed Building Consent
Status
Decided
Decision
Granted As published: Permission Granted
Received
23 Jun 2025
Validated
30 Jun 2025
Decided
1 Oct 2025
Ward
LLANDAFF
Decision by
Chair (1- 5 Reps)
Postcode
CF5 2DY

Site history

Applications at this address on the Cardiff register

This site has had 5 applications since 2025: 5 approved, 0 refused.

  • 26/00622/LBC Granted

    19 High Street Llandaff Cardiff CF5 2DY

    Replace existing Roof Structure, Install Flush Fitting PV panels to rear roof of main house and approved extension. Additional Roof light to rear Roof.

    Decided 1 May 2026 Heritage and listed buildings
  • 25/02937/DOC Granted

    19 High Street Llandaff Cardiff CF5 2DY

    Discharge of Conditions 3 (Method statement for cement removal), 5 (Structural reinforcement details), 6 (Roof works details), 7 (Joinery details), 8 (Dormer details), 9 (Extension details), 10 (Boundary treatment details) of 25/01465/LBC

    Decided 29 Apr 2026 Conditions
  • 25/02403/HSE Granted

    19 High Street Llandaff Cardiff CF5 2DY

    Erect 2 No gates to the boundary with the highway and install a domestic air source heat pump.

    Decided 25 Nov 2025 Householder
  • 25/01464/HSE Granted

    19 High Street Llandaff Cardiff CF5 2DY

    Single storey rear extension, rear dormer loft conversion, roof light to rear and other associated external alterations including a new front gate and wall, new gutters and drainpipes, and the replacement and repair of various windows, doors and stonework.

    Decided 1 Oct 2025 Householder

Timeline

Dates from the published record

  1. 23 Jun 2025

    Received by Cardiff

  2. 30 Jun 2025

    Validated

    Checked as complete and ready for consideration.

  3. 1 Oct 2025

    Decision issued: Permission Granted

  4. 29 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 25/02937/DOC Granted

    19 High Street Llandaff Cardiff CF5 2DY

    Discharge of Conditions 3 (Method statement for cement removal), 5 (Structural reinforcement details), 6 (Roof works details), 7 (Joinery details), 8 (Dormer details), 9 (Extension details), 10 (Boundary treatment details) of 25/01465/LBC

    Decided 29 Apr 2026 Conditions

Who's behind it

Company information only, from the register and Companies House

Sillitoe Architecture Agent, an architecture practice

7 applications 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

Documents

Plans, drawings, consultee responses and the officer's report

14 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Cardiff granted permission on 1 October 2025, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 19 High Street Llandaff Cardiff CF5 2DY

    25/02937/DOC Submitted 16 Dec 2025 50 yards away

    Discharge of Conditions 3 (Method statement for cement removal), 5 (Structural reinforcement details), 6 (Roof works details), 7 (Joinery details), 8 (Dormer details), 9 (Extension details), 10 (Boundary treatment details) of 25/01465/LBC

    Granted Conditions Extension Loft or dormer 19 docs

  • 19 High Street Llandaff Cardiff CF5 2DY

    26/00622/LBC Submitted 25 Mar 2026 50 yards away

    Replace existing Roof Structure, Install Flush Fitting PV panels to rear roof of main house and approved extension. Additional Roof light to rear Roof.

    Granted Heritage and listed buildings Extension Loft or dormer 7 docs

  • 19 High Street Llandaff Cardiff CF5 2DY

    25/02403/HSE Submitted 17 Oct 2025 50 yards away

    Erect 2 No gates to the boundary with the highway and install a domestic air source heat pump.

    Granted Householder 7 docs
    Domestic

  • 19 High Street Llandaff Cardiff CF5 2DY

    25/01464/HSE Submitted 23 Jun 2025 50 yards away

    Single storey rear extension, rear dormer loft conversion, roof light to rear and other associated external alterations including a new front gate and wall, new gutters and drainpipes, and the replacement and repair of various windows, doors and stonework.

    Granted Householder Extension Loft or dormer +1 16 docs
    Small domestic

  • 15 High Street Llandaff Cardiff CF5 2DY

    21/00906/DCH Submitted 13 Apr 2021 50 yards away

    RETENTION OF REPLACEMENT WINDOWS IN FRONT ELEVATION

    Granted Householder Windows or glazing 13 docs
    Domestic

  • 21 High Street Llandaff Cardiff CF5 2DY

    21/01013/MNR Submitted 21 Apr 2021 50 yards away

    NEW SHOP FRONT ALTERATIONS

    Granted Full applications Windows or glazing 13 docs

In Cardiff

  • 25/02327/LBC Granted

    Craig Y Parc School Heol-y-parc Pentyrch Cardiff CF15 9NB

    Replacement of the roof covering and rainwater goods.

    Received 9 Oct, published by the council 22 Jul 2026 Heritage and listed buildings
  • 26/02092/LBC Awaiting decision

    Shah Jalal Islamic Cultural Centre Crwys Road Roath Cardiff CF24 4NA

    Proposed installation of a wooden and glass panel to protect the porch from rain and weather

    Received 5 Oct, published by the council 6 Oct 2026 Heritage and listed buildings
  • 26/01220/LBC Granted

    Ground Floor Commercial Unit The Bank 97 - 100 Bute Street Butetown Cardiff CF10 5AS

    Alterations to existing Basement and Ground Floor

    Received 12 Jun, published by the council 22 Jul 2026 Heritage and listed buildings
  • 26/02078/LBC Awaiting decision

    Fairoak Primary School Whitchurch Road Cathays Cardiff CF14 3JL

    Listed Building Consent for additional refurbishment works following 25/01162/LBC living decision notice, including toilet and kitchen refurbishments, installation of a new boiler flue, data cabling upgrades and associated containment, and renovation of classroom finishes; External works at playground surfacing, wet pour safety surfacing in Nursery, fencing, railings and relocated cycle storage.

    Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
  • 26/02067/LBC Awaiting decision

    Museum Of Welsh Life Michaelston Road St Fagans Cardiff CF5 6XB

    The installation of 2 no. Security Shutters at the principal entrances to the Wales Gallery, St Fagan's Museum of Welsh Life main building.

    Received 29 Sep, published by the council 6 Oct 2026 Heritage and listed buildings