Planning application
11 Coryton Close Whitchurch Cardiff CF14 7ER
Works: Extension 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 and side extension
As published by the council, reference 26/01228/HSE
Application record
- Reference
- 26/01228/HSE
- Type
- Householder Planning Permission
- Status
- Decided
- Decision
- Granted As published: Permission Granted
- Received
- 15 Jun 2026
- Validated
- 25 Jun 2026
- Decided
- 17 Aug 2026
- Ward
- WHITCHURCH AND TONGWYNLAIS
- Decision by
- Delegated to Group Leader
- Postcode
- CF14 7ER
Timeline
Dates from the published record
-
15 Jun 2026
Received by Cardiff
-
25 Jun 2026
Validated
Checked as complete and ready for consideration.
-
22 Jul 2026
Added to PlanIndex
-
17 Aug 2026
Decision issued: Permission Granted
Who's behind it
Company information only, from the register and Companies House
Tech-Design Agent, a design practice registered in London
Dissolved · incorporated 2017 · London
16 applications on PlanIndex · across 5 councils · 93% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
5 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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Open the documentsWhat this grant of permission means
Cardiff granted permission on 17 August 2026, 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
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38 Coryton Crescent Whitchurch Cardiff CF14 7EQ
Single storey side extension, reduce depth of detached garage, and various external alterations.
Granted Lawful development Extension 7 docsSmall domestic -
28 Coryton Crescent Whitchurch Cardiff CF14 7EP
SITING OF SINGLE STOREY PORTACABIN FOR USE AS TEMPORARY OFFICE
Refused Householder 8 docsSmall domestic -
24 Coryton Crescent Whitchurch Cardiff CF14 7EP
Single storey rear extension. External alterations to the property.
Granted Lawful development Extension 5 docsSmall domestic -
-
18 Meadowgate Close Whitchurch Cardiff CF14 7EX
Demolition of existing conservatory and single storey rear extension.
Granted Lawful development Extension Demolition 12 docsSmall domestic -
3 Gerddi Ty Celyn Whitchurch Cardiff CF14 7TH
2 no sycamore trees- proposal is to reduce side canopy over road by up to 2 meters.
Granted Trees 3 docs
Other householder applications
In Cardiff
-
26/02112/HSE Awaiting decision
7 Penydarren Drive Whitchurch Cardiff CF14 2TT
Proposed Single Storey Side/Rear Extension with Garage Conversion
-
26/02113/HSE Awaiting decision
78 Mill Road Lisvane Cardiff CF14 0UG
PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE
-
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).
-
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
-
26/02102/HSE Awaiting decision
49 Kimberley Road Penylan Cardiff CF23 5DL
Proposed ground floor rear side return extension