Planning application
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
Works: Extension Demolition Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Demolition of existing extensions and pool house, construction of part single, part two storey side and rear extensions; construction of detached pool house and garage building; associated landscape works; alterations to the fenestration; internal alterations
As published by the council, reference 26/1587/FUL
Application record
- Reference
- 26/1587/FUL
- Category
- Full applications
- Status
- Pending Consideration
- Received
- 6 Oct 2026
- Validated
- 27 Oct 2026
- Postcode
- WD3 5BT
Site history
Applications at this address on the Three Rivers register
This site has had 4 applications since 2023: 2 approved, 0 refused.
-
26/0931/TCA Awaiting decision
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
T23-25 - 3 x Pine - remove
-
25/1701/TPO Granted
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
T2 Beech, decay in mainstem, poor form - remove T3 Beech, large cavity in base, declining - remove T4 Spruce, in canopy of larger adjacent Oak, little future potential - remove T5 Scots Pine, canopy thinning, close to road and overhead lines - remove T8 Silver Birch, poor form - remove T 9 Silver Birch, reduce overextended lateral limb by 2-3 metres, to reduce shading on young Ginko planted adjacent T12 Oak, canopy retrenching with large diameter deadwood, reduce canopy to points on picture, to maintain tree as a monolith with retrenched canopy T14 Ash, advanced ADB, remove T23, 24 and 25 - Small Pines, planted by pond - Reduce by 1 metre vertically and 0.5 laterally, including thinning, to maintain trees as a small size, whilst keeping aesthetics T26 Spruce - Poor location for tree near pond - remove T27 Prunus - Remove
-
23/2147/TCA Granted
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
T1 - Holly - Remove to ground level Tree is suffocated by ivy. Ivy severing was stopped as there was potential structural support from the ivy. Tree is on roadside and in contact with fibre optics. Low amenity and potential to fall on road. T2 - Oak - Remove to ground level Tree is stag heading due to poor location (area which regularly floods) which is impacting the roots. Tree is in falling distance to neighbours outhouse. Branches dropping/failing in the past.
Timeline
Dates from the published record
-
6 Oct 2026
Received by Three Rivers
-
27 Oct 2026
Validated
Checked as complete and ready for consideration.
-
28 Oct 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 22 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Three Rivers took a median of 56 days over the applications it decided in the last year.
What happens while it is decided
This application is with Three Rivers for determination, against a statutory target of eight weeks. Over the last year Three Rivers decided full applications in a median of 63 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
84% historically approved · decision due ~3 Aug
T23-25 - 3 x Pine - remove
Awaiting decision Trees -
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
T2 Beech, decay in mainstem, poor form - remove T3 Beech, large cavity in base, declining - remove T4 Spruce, in canopy of larger adjacent Oak, little future potential - remove T5 Scots Pine, canopy thinning, close to road and overhead lines - remove T8 Silver Birch, poor form - remove T 9 Silver Birch, reduce overextended lateral limb by 2-3 metres, to reduce shading on young Ginko planted adjacent T12 Oak, canopy retrenching with large diameter deadwood, reduce canopy to points on picture, to maintain tree as a monolith with retrenched canopy T14 Ash, advanced ADB, remove T23, 24 and 25 - Small Pines, planted by pond - Reduce by 1 metre vertically and 0.5 laterally, including thinning, to maintain trees as a small size, whilst keeping aesthetics T26 Spruce - Poor location for tree near pond - remove T27 Prunus - Remove
Granted Trees 16 docs -
Fern Hill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
Front Garden (all tree numbers provided are for purpose of site map only) T1 Conifer - Fell to ground level In Decline Rear Garden T2 Row of Oaks - Lift over neighbours lawn by 3m approx so the grass can be cut and a bait a nuisance T3 Small Leaning Oak (45 degree angle over neighbours lawn) - Fell to ground level Grown under the shadow of the Row of Oaks, leaning in to fence line To a bait a nuisance to the neighbour T4 Sycamore - Reduce overly long limb by 5m approx. and remove deadwood To bring in line with the remainder of the trees
Granted Trees 7 docsSmall domestic -
Oakhill Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
T1 - Holly - Remove to ground level Tree is suffocated by ivy. Ivy severing was stopped as there was potential structural support from the ivy. Tree is on roadside and in contact with fibre optics. Low amenity and potential to fall on road. T2 - Oak - Remove to ground level Tree is stag heading due to poor location (area which regularly floods) which is impacting the roots. Tree is in falling distance to neighbours outhouse. Branches dropping/failing in the past.
Granted Trees 6 docs -
Long Lane House Long Lane Heronsgate Rickmansworth Hertfordshire WD3 5BT
Field Maple - Fell
Granted Trees 6 docs -
Athelstan Long Lane Heronsgate WD3 5BT
Construction of detached outbuilding in rear garden
Granted Full applications 16 docs
Other full applications
In Three Rivers
-
26/1700/FUL Awaiting decision
Jonathans Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NH
Construction of a single storey rear extension and alterations to the patio
-
26/1688/FUL Awaiting decision
37 Russell Road Moor Park Northwood Hertfordshire HA6 2LP
Variation of Condition 2 (Approved Plans) pursuant to planning permission 26/1117/FUL to allow an increase in height to the single storey rear extension and an increase in size of the first floor rear projection
-
26/1692/FUL Awaiting decision
4 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS
Construction of an outbuilding
-
26/1689/FUL Awaiting decision
15 Dover Way Croxley Green Rickmansworth Hertfordshire WD3 3SL
Demolition of existing single storey side extension and construction of single storey front and side extension
-
26/1674/FUL Awaiting decision
The Lower House Burfield Road Chorleywood Rickmansworth Hertfordshire WD3 5NS
Demolition of existing conservatory, and single storey front, side and rear extensions; construction of part-single, part-two storey rear extension, single storey front and side extension, loft conversion and extension including increase in ridge height with rear dormer and rooflight, landscaping works including rear and side terrace areas; internal alterations and alterations to fenestration, external materials including brick and render; erection of carport