Planning Applications in
Hertsmere
Hertsmere is part of the East region. Search any postcode in Hertsmere to see recent planning applications near you — including extensions, new builds, demolitions, and change of use applications.
Search Hertsmere Planning Applications
Search any Hertsmere postcode above, then save it to a free PlanWatch account so it is ready next time. Paid plans add instant email alerts for new applications near a saved postcode.
Planning Application Types in Hertsmere
Based on 1083 applications tracked between 2025-10-05 and 2026-09-02.
Full
33% of all applications
Householder
25% of all applications
Certificate of Lawfulness
13% of all applications
Demolition
10% of all applications
Tree Works
6% of all applications
Non-Material Amendment
3% of all applications
Hertsmere Planning Statistics
Data period: 2025-10-05 to 2026-09-02 · Updated 2 September 2026
What PlanWatch Is Tracking in Hertsmere
PlanWatch currently holds 1,083 Hertsmere planning records across 583 unique postcode locations, with tracked application dates from 2025-10-05 to 2026-09-02. The most common categories in this dataset are Full (353), Householder (270), Certificate of Lawfulness (138).
Use this page to start with a postcode search, then open the official council record for the decision notice, drawings, consultation deadline and any later conditions. That matters because a short application description rarely shows the details neighbours and buyers care about: side windows, roof forms, access, drainage, tree works, opening hours or amended plans.
Recent Planning Applications in Hertsmere
Latest applications submitted to Hertsmere council.
T1 Beech (2 limbs)- Reduce the identified eastern lateral limb over Church Lane by apporx 6 metres, leaving a final length of approximately 8m,removing the overhang of the road and footway. Following a recent limb failure (after the report was written), it is suggested that a limb overhanging the road, is also reduced by approximately 3.5m, leaving a final length of approximately 8m. T2 Sycamore (tag 1791)- Reduce to an 8m monolith above the stem cavity, retaining the standing stem as habitat. T4 Lime (tag 1789) -Reduce the crown by approx 2m, so that the final crown spread is approximately 6m and the height is approx. 14m G1 - crown lift, overhanging public foothpath and road so that the final height is 2.5m over the path and 6m over the road to give clear pedestrian and vehicular access.
The Dell Church Lane Aldenham Watford Hertfordshire WD25 8BE
T1 Horse Chestnut - crown reduction of 3-4m in height to leave a final height of around 16m and reduce by around 3-4 m to leave a final width of around 13m T2 Beech - Crown reduction of around 2m to leave a final height of around 14m and a width of around 6m and a light thin on secondary internal limbs. T3 Sycamore - crown reduction of around 3m to leave a final height of around 14m and a width of around 7m T4 Lime - crown reduction of around 3-4m to leave a final height of around 14m and a final width of around 6m T5 Lime - crown reduction of around 3-4m to leave a final height of around 14m and a final width of around 6m.
8 Aldenham Grove Radlett Hertfordshire WD7 7BW
All trees are located in the rear garden of 17 Oakroyd Avenue. T1 - Maple tree to be crown reduce by 2m on the height and 1.5m on the sides. The existing height is 12m and width is 8m The new height will be 10m and width will be 6.5m. A selective crown reduction is proposed to reduce excessive crown spread and end-weight, improve structural balance, maintain clearance from adjacent structures and boundaries. T2 - Beech tree to be crown reduced by 2m on the height and 1m on the width. The existing height is 12m and width is 8m The new height will be 10m and width will be 7m.The proposed selective crown reduction is intended to reduce overall crown spread and end-weight, maintain appropriate clearance from the building and boundaries, improve crown balance, and manage the tree's size in relation to its restricted growing environment. G1 - 7 Conifers that are closely spaced together, which dominate this part of the rear garden and create substantial shading. Their removal is proposed to improve light levels, open up the garden and allow the area to be more effectively managed and landscaped. Importantly, T1 and T2 are to be retained. At present, these trees are situated immediately behind the dense conifer group and are subject to competition for light and growing space. Removal of the 7 Conifers will substantially reduce this competition.
17 Oakroyd Avenue Potters Bar Hertfordshire EN6 2EH
Two silver birches located along the left fence of the property looking outwards. T1 Silver Birch Reduce the overall height by approximately 2m and the lateral spread by 1.5m leaving a final height of approximately 7m above ground level and a final spread of 4m. The proposed works are to provide adequate clearance from the property and allow for general tree maintenance. T2 Silver Birch Remove deadwood from the upper section of the canopy and reduce the lateral spread by approximately 1.5-2m leaving an overall height of approximately 4m and a final spread of 3.5m. The proposed works are to provide adequate clearance from the property and allow for general tree maintenance. Both works have been assessed and will be carried out by the Joshua Tree, Potters Bar.
13 Elmroyd Avenue Potters Bar Hertfordshire EN6 2ED
Variation of condition 2 (plans) to allow for replacement of approved drawings following grant of planning permission reference 26/0006/HSE.
31 The Avenue Radlett Hertfordshire WD7 7DQ
Official Planning Portal
View and search planning applications directly on the Hertsmere council website.
Visit Hertsmere planning portal →Objecting to a Planning Application in Hertsmere
Hertsmere Council can only weigh objections that raise a material planning consideration. Personal disputes, loss of a view and property value are not material and are set aside. These are the grounds that do count, with what Hertsmere's planning officers will expect you to evidence for each.
Then write the objection letter, or check what counts as a material consideration before you start. Objections normally have to reach Hertsmere Council inside the 21-day consultation window.
Frequently Asked Questions — Hertsmere Planning
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Read the planning guides →Nearby Councils in East
Explore planning applications in other East councils.
Planning Guides for Hertsmere Residents
Do I Need Planning Permission For...?
Specialist Topics
Common Planning Situations
Data Sources
- Planning application data: planning.data.gov.uk
- Hertsmere council planning portal — www6.hertsmere.gov.uk
- Planning Inspectorate (PINS) appeal decisions
- Data last refreshed: 2 September 2026
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