10 Mardley Heights Welwyn AL6 0TX Data via plota.co.uk
Proposal
4 x English Oak (Quercus robur), identified as T1, T2, T3 and T4 on the accompanying sketch plan, protected under TPO 641 (2017). Proposed works: Crown reduction of up to 20%; crown thinning of up to 20%; crown lift to approximately 3–4m; removal of epicormic trunkal growth; selective pruning to provide approximately 2m clearance from the dwelling and approximately 1m clearance from overhead lines. Reason for works: Continued periodic arboricultural management of this established group of Oaks, maintaining appropriate clearance from the dwelling and overhead services whilst retaining a balanced, natural canopy and the amenity value of the trees. Data via plota.co.uk
Application progress
Approved on 2 Oct 2026 · Delegated · Last checked 4 Oct 2026
Documents 6
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 1
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
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Important details
- Council
- Welwyn Hatfield
- Application type
- WORKS TO TREES WITH TREE PRESERVATION ORDER
- Postcode
- AL6 0TX
- Received
- 17 Aug 2026
- Validated
- 18 Aug 2026
- Parish
- Welwyn
- Case officer
- Show
- Decision
- Granted
- Decision date
- 2 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 45 days from validation, about the council's usual 48 days. Approved, as 98% of tree and landscaping works here are.
Plota live figures for tree and landscaping works decided by Welwyn Hatfield in the last twelve months, from validation. Welwyn Hatfield decision record →
Consultation & key dates
- Comments by
- 28 Sept 2026
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #224 out of 296. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).
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10 Mardley Heights Welwyn AL6 0TX
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