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Planning Applications in AL6 0UG.

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Recent applications

Within 0.62 miles of AL6 0UGApplication dates: 27 Oct 2025 to 27 Oct 2026Showing applications within 0.62 miles of this postcode.
20applications found0

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PLANNING APPLICATIONS

Within 0.62 miles of AL6 0UG

20 applications found.

Some recent applications or decisions may not appear yet.
WORKS TO TREES WITH TREE PRESERVATION ORDERAwaiting decision

24 Marlborough Close Welwyn AL6 0UG

1 x Oak to reduce lateral branches over the garden of No.24 & 22 by approx 2m, up to a height of 10m above ground level. Remove deadwood greater than 30mm in diameter

Reference
6/2026/1716/TPO
Application date
29 September 2026
HOUSEHOLDER APPLICATIONAwaiting decision

12 Pine Crest Welwyn AL6 0EQ

Construction of a single storey rear extension and additional floor to existing bungalow following removal of existing conservatory

Reference
6/2026/1700/HOUSE
Application date
28 September 2026
WORKS TO TREES WITH TREE PRESERVATION ORDERAwaiting decision

2 Mardley Avenue Welwyn AL6 0UD

Reduce 1 x Hornbeam by 40% crown reduction covered by TPO 643 Branches overgrown footpath/road. Encroaching bungalow roof. Leaves blocking acorn drains.

Reference
6/2026/1677/TPO
Application date
22 September 2026
WORKS TO TREES WITH TREE PRESERVATION ORDERAwaiting decision

11 Mardley Hill Welwyn AL6 0UE

Oak tree on the edge of our boundary at 11 Mardley Hill, Oaklands AL6 0UE, reduced by one third for maintenance and it hangs over the B197 main road

Reference
6/2026/1641/TPO
Application date
21 September 2026
APPROVAL OF DETAILS RESERVED BY CONDITIONAwaiting decision

The North Star 82 Great North Road Welwyn AL6 0TA

Submission of details pursuant of conditions 5 (noise), 6 (EV charging points), 7 (cycle storage), 10 (travel plan statement on planning permission 6/2026/0025/VAR

Reference
6/2026/1611/COND
Application date
16 September 2026
HOUSEHOLDER APPLICATIONAwaiting decision

16 Mardley Avenue Welwyn AL6 0UD

Proposed loft conversion, enlargement of the existing roof with increase in ridge height to form a truncated hipped roof, installation of two front dormers, a rear dormer with a rear balcony, and associated rooflights

Reference
6/2026/1570/HOUSE
Application date
9 September 2026
HOUSEHOLDER APPLICATIONAwaiting decision

32 Turpins Chase Welwyn AL6 0RR

Construction of a single storey side extension and a new garage on ground floor level, conversion of the existing garage and installation of an air source heat pump

Reference
6/2026/1526/HOUSE
Application date
1 September 2026
HOUSEHOLDER APPLICATIONApproved

16 Oak Road Woolmer Green SG3 6LS

Construction of part single, part two storey rear extension, new windows and doors to existing side and rear elevations and installation of rooflight within the rear roofslope

Reference
6/2026/1472/HOUSE
Application date
20 August 2026
Decision date
16 October 2026
Tree worksAwaiting decision

10 Mardley Heights Welwyn AL6 0TX

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…

Reference
6/2026/1440/TPO
Application date
17 August 2026
WORKS TO TREES WITH TREE PRESERVATION ORDERApproved

1 Oaklands View Welwyn AL6 0RJ

TPO 203 & 879 - T1- Sweet chestnut tree to reduce all round by 2-3 metres for maintenance and light T2- Blue Atlantic Cedar tree- to cut back by 2-3 metres from the neighbours house and balance the crown for maintenance and light T3-Blue Atlantic Cedar tree to…

Reference
6/2026/1432/TPO
Application date
13 August 2026
Decision date
16 October 2026
Full planning applicationAwaiting decision

18 Briary Wood Lane Welwyn AL6 0TF

Construction of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

Reference
6/2026/1376/HOUSE
Application date
4 August 2026
Tree worksAwaiting decision

20 Mardley Avenue Welwyn AL6 0UD

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…

Reference
6/2026/1305/TPO
Application date
27 July 2026
Tree worksApproved

12 Mardley Hill Welwyn AL6 0TN

TPO 24 T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment

Reference
6/2026/1205/TPO
Application date
10 July 2026
Decision date
7 September 2026
FULL PERMISSIONApproved

The North Star 82 Great North Road Welwyn AL6 0TA

Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase in association with nursery use permitted under 6/2026/0025/VAR

Reference
6/2026/1067/FULL
Application date
19 June 2026
Decision date
20 October 2026
Planning information from local councils and PlanIt. Area boundaries use ONS and Planning Data where available. Check the council record for the latest decisions and documents.

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