Search Harmer Green planning applications
26 applications received or decided in the last 12 months · within 1 km of the centre of Harmer Green · updated daily · Welwyn Hatfield Borough Council
Only 9 applications in the last 90 days, so this shows the last 12 months.
- 1A Desborough Drive Tewin Wood Tewin Hertfordshire AL6 0HQAwaiting decisionDemolition of single storey side element and construction of two storey side extension and two storey rear extension. Alterations to fenestration. Boundary treatment and landscaping.Received 6 Nov 20263/26/1374/HH
- 1A Harmer Dell Welwyn AL6 0BEApprovedFelling of a European Larch [775 (2018) T5 - individual tree] with GanodermaWORKS TO TREES WITH TREE PRESERVATION ORDERReceived 27 Oct 2026Decided 3 Nov 20266/2026/1941/TPO
- 4 Barneswood Digswell Welwyn AL6 0EUAwaiting decisionSubmission of details pursuant to Condition 2 (Construction Method Statement), 3 (CEMP), 4 (SWMP), 5 (Arboricultural Method Statement and Tree Protection Strategy), 6 (Surface Water Drainage Scheme), 7 Sustainability Statement, 8 (Landscape works) and 9 (Lighting) on planning permission 6/2025/1593/MAJAPPROVAL OF DETAILS RESERVED BY CONDITIONReceived 26 Oct 20266/2026/1942/COND
- 55 New Road Digswell Welwyn AL6 0ALAwaiting decisionSubmission of details pursuant to Condition 1 (CTMP), 2 (CEMP), 3 (full site survey), 4 (badger survey), 5 (infiltration), 6 (tree management plan), 7 (HMMP), 8 (Arboricultural Method Statement), 9 (badger and hedgehog habitats), 10 (crown roof details), 11 (water supplies), 12 (swift bricks), 13 (cycle parking), 14 (EV charging), 15 (energy statement), 16 (landscaping, 17 (materials), 18 (schedule of units) and 19 (refuse and recycling) on planning permission 6/2024/1183/MAJAPPROVAL OF DETAILS RESERVED BY CONDITIONReceived 23 Oct 20266/2026/1929/COND
- 18 Oaklands Rise Welwyn AL6 0RNAwaiting decisionTPO 638 & TPO 673 T1 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2–3 metres of regrowth. T2 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 1–2 metres of regrowth. T3 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2–3 metres of regrowth. T4 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2–3 metres of regrowth. T5 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2 metres of regrowth. T6 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2–3 metres of regrowth. T7 – Hornbeam: Re-pollard to the previous pollarding points, removing approximately 2–3 metres of regrowth. T8 – English Oak: Reduce the crown in height and lateral spread to the previous pruning points, removing approximately 3 metres of regrowth and retaining a well-balanced crown. T9 – English Oak: Reduce the crown in height and lateral spread to the previous pruning points, removing approximately 3 metres of regrowth and retaining a well-balanced crown. T10 – English Oak: Reduce the crown in height and lateral spread to the previous pruning points, removing approximately 2 metres of regrowth and retaining a well-balanced crown. T11 – English Oak: Reduce the crown in height and lateral spread to the previous pruning points, removing approximately 2 metres of regrowth and retaining a well-balanced crown. T12 – English Oak: Reduce the crown in height and lateral spread to the previous pruning points, removing approximately 2 metres of regrowth and retaining a well-balanced crown. T13 – English Oak: Reduce the crown in height and lateral spread by approximately 2–3 metres. Prune back to suitable secondary growth, retaining a well-balanced crown and natural shape. All works will be carried out in accordance with BS 3998:2010 – Tree Work Recommendations.WORKS TO TREES WITH TREE PRESERVATION ORDERReceived 8 Oct 20266/2026/1777/TPO
Planning in Harmer Green
- Approved
- 93%
- 51 of 55 decided
- Decision time
- about 9 weeks
- on average
Applications within 1 km of the centre of Harmer Green in the last 24 months, from Welwyn Hatfield Borough Council's planning register.
Decided by Welwyn Hatfield Borough CouncilCouncil page
Around Harmer Green
Postcode districts
AL6 227 applications in the last 12 months
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Welwyn Hatfield Borough Council
For home projects and trades
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Application types: Rear extensionsLoft conversionsHouseholder applicationsTree works & TPOListed building consentChange of useAnnexes & granny flatsSolar panelsBarn conversionsBasement extensions
About Harmer Green
Harmer Green is a settlement located in Hertfordshire, England.
Property prices in Harmer Green show an average sale price of £722,974, based on 50 recent transactions recorded by HM Land Registry. There are currently no active flood warnings for the Harmer Green area, indicating a relatively low flood risk at present. This is a positive factor for both existing residents and those considering property purchases or new developments.
In terms of safety, there were no crimes reported in the immediate area during the most recent reporting period (May 2026). This makes Harmer Green a particularly low-crime area, which is often reflected in its desirability and property values.
The area around Harmer Green has 8 nature designations nearby, which may affect how planning applications are assessed.
For anyone interested in property development or monitoring local planning decisions, Harmer Green planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
To comment on or object to a planning application near Harmer Green, open it in the list above: each one links to the council's own page for it and shows any comment deadline.
In the last 24 months, 61 planning applications were submitted near Harmer Green. Of these, 93% were approved, with an average decision time of 64 days.
The most common types were tree works (20), full planning applications (16), discharge of conditions (8).