Planning application
21 Heol Isaf Nelson Treharris CF46 6NS
Works: Extension Demolition 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
Demolish existing rear conservatory and detached garage and construct new single storey rear extension
As published by the council, reference 26/0470/HH
Application record
- Reference
- 26/0470/HH
- Type
- Householder Application
- Status
- Decided
- Decision
- Granted
- Received
- 10 Jul 2026
- Validated
- 14 Jul 2026
- Decided
- 4 Sep 2026
- Ward
- Nelson
- Decision by
- Delegated
- Postcode
- CF46 6NS
Timeline
Dates from the published record
-
10 Jul 2026
Received by Caerphilly
-
14 Jul 2026
Validated
Checked as complete and ready for consideration.
-
28 Jul 2026
Added to PlanIndex
-
4 Sep 2026
Decision issued: Granted
Documents
Plans, drawings, consultee responses and the officer's report
9 documents on file for this application
- SENIOR ENGINEER (DRAINAGE) COMMENTS
- ENVIRONMENTAL HEALTH COMMENTS
- TRANSPORTATION ENGINEERING MANAGER COMMENTS
- APPLICATION FORM
- EXISTING AND PROPOSED PLANS AND ELEVATIONS
- GREEN INFRASTRUCTURE STATEMENT
- SITE LOCATION PLAN
Trade members open them from here.
Open the documentsWhat this grant of permission means
Caerphilly granted permission on 4 September 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 500 metres
-
24 Heol Isaf Nelson Treharris CF46 6NS
Obtain Certificate of Lawful Proposed Development for proposed rear single storey extension
Granted Lawful development Extension 8 docsSmall domestic -
6 Heol Isaf Nelson Treharris CF46 6NS
Erect rear roof extension, raise the ridge and rear dormer
Granted Householder Extension Loft or dormer +1 10 docsDomestic -
21 Beech Tree Way Nelson Treharris CF46 6NU
Carry out various tree works (Tree Preservation Order 48/82/RVDC)
Granted Trees 5 docs -
1 Mountain Way Nelson Treharris CF46 6NY
Remove dead wood from tree overhanging from T4 (Tree Preservation Order 48/82/RVDC)
Granted Trees 7 docs -
32 Mountain Way Nelson Treharris CF46 6NY
Obtain a Lawful Development Certificate to establish that the side extension was substantially completed more than 4 years prior to the submission of this application
Granted Lawful development Extension 10 docs -
16 Mountain Way Nelson Treharris CF46 6NY
Extend porch across the front of the property
Granted Householder Extension 6 docsSmall domestic
Other householder applications
In Caerphilly
-
26/0471/HH Granted
28 Denbigh Court Hendredenny Caerphilly CF83 2UN
Erect two storey side and rear extension, enlarge existing rear outbuilding, construct an accessible entrance ramp and re grade front garden to provide two off-street parking spaces and associated external alterations
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26/0603/HH Awaiting decision
3A Bryn Road Cefn Fforest Blackwood NP12 3NA
Erect two storey side extension
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26/0596/HH Awaiting decision
3 Crown Lane Pontllanfraith Blackwood NP12 2GD
Erect two storey side extension and a single storey rear extension
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26/0478/HH Refused
36 Bryn Yr Ysgol Penyrheol Caerphilly CF83 2BY
Demolish existing garage and erect a two storey side extension
-
26/0475/HH Granted
13 Maes-y-drudwen Caerphilly CF83 2QG
Erect ground floor bathroom extension