20 Mardley Avenue Welwyn AL6 0UD Data via plota.co.uk

6/2026/1305/TPO - WORKS TO TREES WITH TREE PRESERVATION ORDER Pending

Proposal

Up to a 2m reduction to Cherry tree, to maintain its healthy station and prevent over extension, from growing too large. Fell, process and remove Yew tree as resident has concerns that if it was to uproot or fail it would hit the house due to its location (covered by TPO 24 A3) Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
27 Jul 2026
Validated
5 Aug 2026
Decision
Expected by 30 Sept 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 16 Sept 2026 and 24 Sept 2026, from Welwyn Hatfield's recent tree and landscaping works. The consultation period closed on 5 Aug 2026.

Site constraints 3

Local nature reserve 182 m away: Mardley Heath
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Woolmer Green built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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

Application type
WORKS TO TREES WITH TREE PRESERVATION ORDER
Postcode
AL6 0UD
Received
27 Jul 2026
Validated
5 Aug 2026
Parish
Welwyn
Case officer
Show
Decision level
Delegated
Applicant
Show

Decision outlook

Day 40 of the 56-day target. Welwyn Hatfield usually decides tree and landscaping works by day 44.

Day 4016 days to the 56-day target
74%decided within 8 weeks
97%approved
415decided in the last year

Plota live figures for tree and landscaping works decided by Welwyn Hatfield in the last twelve months, from validation. Welwyn Hatfield decision record →

Public comments

1comment received

Last counted 7 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
5 Aug 2026
Welwyn Hatfield
Planning Authority Score
2.1/10
Poor
#272 of 296 councils
Relevant to this application:
Householder decisions

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%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Welwyn Hatfield decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #200 of 296
86%
Householder approved
Below avg (90%) #246 of 296
53%
Decided in 8 weeks
Below avg (63%) #224 of 296
50%
Extended time limit
Above avg (41%) #229 of 296
84%
Minor dwellings approved
63 decided (1-9 homes)
83%
Major dwellings approved
12 decided (10+ homes)
73%
Change of use approved
22 decided
633
Total decisions
87 refused in the year to March 2026