England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

36,552Searchable applications

335Recorded as pending

86%Approval rate · 30,443 approved or refused records

4,173Refused applications

26,270 approved · 4,173 refused · 1,958 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records

Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

Decided - Granted6/2020/0459/HOUSE
Erection of a part single, part two storey rear, and single storey side extension following demolition of outbuilding
6 Burnside Close Hatfield AL10 0QU
Received 18 Feb 2020
Decided - RefusedW6/2009/0394/EM
ERECTION OF TWO STOREY REAR EXTENSION, DEMOLITION OF CONSERVATORY AND INSERTION OF SIDE DOOR AND FIRST FLOOR WINDOWS IN THE SIDE ELEVATION
74 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BQ
Received 25 Feb 2009
Decided - Granted6/2020/3142/HOUSE
Erection of a single storey rear extension
2 Sewells Welwyn Garden City AL8 7AQ
Received 24 Nov 2020
Decided - Granted6/2022/0289/FULL
Erection of a four storey building to provide 8 x 1-bed, residential units with associated landscaping and parking, involving demolition of existing two storey building
22 The Common Hatfield AL10 0ND
Received 8 Feb 2022
Decided - Granted6/2022/2774/LAWP
Certificate of lawfulness for the erection of a porch
16 Nimrod Drive Hatfield AL10 9LS
Received 6 Dec 2022
Decided - Granted6/2016/1143/EM
Erection of 4m x 3m wooden building
24 Kirklands, Welwyn Garden City, AL8 7RD
Received 10 Jun 2016
DecidedN6/2014/0566/NM
Non material amendment following approval of planning permission N6/2014/0566/NM - Cladding to be composite material
12 Codicote Road Welwyn AL6 9NQ
Received 21 Mar 2014
Decided6/2023/0173/TC
1 x Eucalyptus to reduce by approximately 2m in height and 2m width (back to previous pruning points) 2 x Lawson cypress to reduce by approximately 1m height
139 Parkway Welwyn Garden City AL8 6JB
Received 24 Jan 2023
Decided - Granted6/2019/2293/HOUSE
Erection of a single garage, single storey side and rear extension and a first floor side extension, installation of a first floor side gable window, and rooflights to facilitate conversion of loft, ground floor rear window, alterations to openings and extension of vehicle hardstanding and crossover following the demolition of attached double garage and utility room
34 Sherrardspark Road Welwyn Garden City AL8 7JS
Received 17 Sept 2019
Decided - GrantedC6/1988/0231/FP
Single storey rear extension
25 The Shaws, Welwyn Garden City, AL7 2HR
Received 1 Jan 1988
Decided6/2024/2024/TC
1 x Cherry to remove in sections to ground level. Grind out stump to approximately 200mm below existing ground level. 1 x Cherry to reduce by approximately 2.5m in height and 1.5m in width.
24 Fordwich Road Welwyn Garden City AL8 6EY
Received 21 Oct 2024
Decided - Granted6/2025/1587/TPO
TPO155 T1 – Ash – height 17m – spread 15m – w3w nation.admit.reef - Notes of Condition of tree: Healthy. Requested works: Crown lift tree to 6m, giving entire tree a 1.5m reduction. Reasons for works: To allow for light and clearance above horse menage. Rebalancing and shaping tree. T2 – Ash – height 16m – spread 14m – w3w beard.caring.combining - Notes of Condition of tree: Healthy. Requested works: Crown lift tree to 6m, giving entire tree a 1.5m reduction. Reasons for works: To allow for light and clearance above horse menage. Rebalancing and shaping tree T3 – Oak – height 19m – spread 16m – w3w union.spends.deck - Notes of Condition of tree: Healthy. Requested works: Crown lift tree to 6m, giving entire tree a 1.5m reduction. Reasons for works: To allow for light and clearance above horse menage. Rebalancing and shaping tree
Home Farm Bell Lane Brookmans Park AL9 7AY
Received 23 Jul 2025
Decided - Granted6/2021/2647/COND
Submission of details pursuant to condition 1 (archaeological investigation) on planning application 6/2019/1533/FULL
Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR
Received 12 Sept 2021
Decided - Granted6/2025/1086/HOUSE
Installation of solar panels onto three flat roof areas, and one rear pitched roof
43 Fordwich Road Welwyn Garden City AL8 6EY
Received 9 Jun 2025
Decided - Granted6/2021/2141/HOUSE
Demolition of existing garage, addition of two-storey side extension (on west side of house) with integral garage, part-infill of open porch and addition of two-storey side extension (on east side of house) with single-storey rear extension.
61 Georges Wood Road Brookmans Park AL9 7BX
Received 15 Jul 2021
Decided - GrantedS6/2010/0237/FP
ERECTION OF SINGLE STOREY FRONT SIDE AND REAR EXTENSIONS
19 BULLENS GREEN LANE, ST ALBANS, HERTFORDSHIRE, AL4 0QR
Received 10 Feb 2010
Decided - Split6/2025/2538/COND
Submission of details pursuant of Condition 22 (Off Site Highway Improvements), Condition 27 (Secured by Design), Condition 30 (Travel Plan) on planning permission 6/2022/1375/MAJ
Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EG
Received 8 Dec 2025
Decided - Granted6/2022/0213/EM
Installation of an Air Source Heat Pump to provide heating and hot water
10 Mandeville Rise Welwyn Garden City AL8 7JU
Received 31 Jan 2022
Decided - Granted6/2019/0194/HOUSE
Erection of two storey side extension and single storey rear extension
90 Valley Road Welwyn Garden City AL8 7DP
Received 30 Jan 2019
Decided - Granted6/2017/1145/EM
Removal of Leylandii hedge (A) from the front of property plus removal of two Eucalyptus trees (B & C) from the rear of the property
15 High Oaks Road Welwyn Garden City AL8 7BJ
Received 25 May 2017
Decided - Granted6/2018/3140/FULL
Change of use from sui generis to residential including conversion of main building to create 4 x dwellings, internal alterations to enable subdivision, two storey rear extensions to create further 2 x dwellings following partial demolition, minor external alterations to all buildings, erection of car port with extended car parking area and associated landscaping and alterations including demolition of single storey extension and replacement with two storey extension to Little Guessens to form 1 x dwelling
Guessens 6 Codicote Road Welwyn AL6 9NB
Received 10 Dec 2018
Decided - Granted6/2016/2332/EM
1 x Silver Birch to reduce by 2.5m on height and width, 1 x Robinia to remove overhanging stem, 1 x Cherry remove 2 hazardous stems, 1 x Hornbeam to remove dead/decaying stem and 1 x Cherry fell to ground level
163 Heronswood Road Welwyn Garden City AL7 3EJ
Received 7 Nov 2016
Decided - GrantedN6/2013/1167/S73B
Variation of condition 2 (Approved Plans) from planning application N6/2012/2401/FP - Erection of two storey rear and single storey side and rear extension
34 Blakemere Road, WELWYN GARDEN CITY, AL8 7PJ
Received 3 Jun 2013
Decided - Granted6/2017/2228/COND
Submission of details pursuant to conditions 1 (material samples) & 2 (landscaping details) on planning permission 6/2016/2179/FULL dated 18/04/17
15 Bacons Drive Cuffley Potters Bar EN6 4DX
Received 2 Oct 2017

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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Guides to planning records

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Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
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Published 13 Aug 2026Updated 13 Sept 2026

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage