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Planning application

19 High Street Llandaff Cardiff CF5 2DY

Granted Cardiff 25/01464/HSE Householder Planning Permission

Works: Extension Loft or dormer 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 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.

As published by the council, reference 25/01464/HSE

Application record

Reference
25/01464/HSE
Type
Householder Planning Permission
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
  • 25/01465/LBC Granted

    19 High Street Llandaff Cardiff CF5 2DY

    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.

    Decided 1 Oct 2025 Heritage and listed buildings

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

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

16 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 19 High Street Llandaff Cardiff CF5 2DY

    25/01465/LBC Submitted 23 Jun 2025 50 yards away

    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.

    Granted Heritage and listed buildings Extension Loft or dormer +2 14 docs
    Small domestic

  • 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

  • 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

  • 26/02112/HSE Awaiting decision

    7 Penydarren Drive Whitchurch Cardiff CF14 2TT

    Proposed Single Storey Side/Rear Extension with Garage Conversion

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/02113/HSE Awaiting decision

    78 Mill Road Lisvane Cardiff CF14 0UG

    PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/01702/HSE Granted

    45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).

    Received 10 Aug, published by the council 24 Aug 2026 Householder
  • 26/02104/HSE Awaiting decision

    15 Brynteg Rhiwbina Cardiff CF14 6TS

    Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

    Received 6 Oct, published by the council 9 Oct 2026 Householder
  • 26/02102/HSE Awaiting decision

    49 Kimberley Road Penylan Cardiff CF23 5DL

    Proposed ground floor rear side return extension

    Received 6 Oct, published by the council 9 Oct 2026 Householder