Planning application
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear dormer
As published by the council, reference 25/1590/CLPD
Application record
- Reference
- 25/1590/CLPD
- Type
- Certificate of Lawfulness - Proposed Use
- Status
- Decided
- Decision
- approved
- Received
- 17 Sep 2025
- Validated
- 17 Sep 2025
- Decided
- 10 Nov 2025
- Ward
- Carpenders Park
- Parish
- Watford Rural Parish Council
- Decision by
- Delegated Decision
- Postcode
- WD19 5AA
Site history
Applications at this address on the Three Rivers register
This site has had 6 applications since 2024: 2 approved, 2 refused.
-
26/1275/FUL Awaiting decision
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Construction of single storey rear extension; construction of new front porch; hip to gable roof extension with increase in ridge height and removal of chimneys; raised patio; internal alterations and alterations to fenestration.
-
25/1627/FUL Refused
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Demolition of existing garage and construction of single storey rear extension and raised rear patio with stepped access and glass balustrading, erection of front porch
-
25/1116/FUL Refused
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Construction of single storey rear extension, with alterations to rear patio including glass balustrading and steps; installation of 3 no. windows to side elevation
-
25/1087/FUL Withdrawn
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Loft conversion including hip-to-gable roof extension with rear dormer including Juliet Balcony, front dormer windows, erection of front porch
-
24/0600/FUL Granted
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Demolition of existing garage; construction of single storey rear extension with raised rear patio; loft conversion including increase in ridge height with hip to gable roof extension; alterations to driveway.
Timeline
Dates from the published record
-
17 Sep 2025
Received by Three Rivers
-
10 Nov 2025
Decision issued: approved
-
19 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
18 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Three Rivers granted permission on 10 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Demolition of existing garage and construction of single storey rear extension and raised rear patio with stepped access and glass balustrading, erection of front porch
Refused Full applications Extension Demolition 17 docsSmall domestic -
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Demolition of existing garage; construction of single storey rear extension with raised rear patio; loft conversion including increase in ridge height with hip to gable roof extension; alterations to driveway.
Granted Full applications Extension Loft or dormer +2 16 docsSmall domestic -
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Construction of single storey rear extension, with alterations to rear patio including glass balustrading and steps; installation of 3 no. windows to side elevation
Refused Full applications Extension Windows or glazing 18 docsSmall domestic -
100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Loft conversion including hip-to-gable roof extension with rear dormer including Juliet Balcony, front dormer windows, erection of front porch
Withdrawn Full applications Extension Loft or dormer +1 18 docsSmall domestic -
108 Penrose Avenue Carpenders Park Hertfordshire WD19 5AA
Retrospective: Construction of steps and raised decking over existing rear patio
Granted Amendments 9 docs -
108 Penrose Avenue Carpenders Park Hertfordshire WD19 5AA
Part Retrospective: Construction of raised decking to rear including raising of existing rear extension roof with alterations to rear fenestration, alterations to boundary treatment and erection of privacy screen
Refused Amendments Extension Windows or glazing 10 docs
Other lawful development applications
In Three Rivers
-
26/0460/CLED Granted
Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA
Certificate of Lawfulness Existing Use: Use of annexe as an independent dwelling
-
26/0724/CLED Granted
70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU
Certificate of Lawfulness Existing Use: Use of annexe as a separate dwelling
-
25/1151/CLED Refused
Unit 6 Century Court Tolpits Lane Watford Hertfordshire
Certificate of Lawfulness Existing Use: Use of property as single dwellinghouse (Use Class C3)
-
26/0736/CLPD Granted
45 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DS
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear juliet dormer and window, front rooflights, side window
-
26/0631/CLPD Granted
Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS
Certificate of Lawfulness Proposed Development: Loft conversion including hip to dutch hip roof extension, rear juliet dormer with windows