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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/2443/EM
Reduce Oak tree by 20%
The Barnhouse Digswell Lane Welwyn AL6 0SP
Received 17 Nov 2016
Decided - Granted6/2023/2157/EM
Installation of an air-source heat pump
15 High Oaks Road Welwyn Garden City AL8 7BJ
Received 23 Oct 2023
Decided - GrantedS6/2008/1745/DS
Discharge of condition 6 setting-out and finished floor levels of Planning Permission S6/2006/0737/DE
6 Mymms Drive, Brookmans Park, Hatfield, Herts
Received 17 Sept 2008
Decided - Granted6/2016/1560/LB
Erection of two storey detached annexe following demolition of existing garage
Home Farm, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF
Received 28 Jul 2016
Decided - Granted6/2021/1360/TPO
T18, T19, T,20 T21, T22, T23, T24, T25, T26 oaks - remove epicormic growth and deadwood, and thin crowns by 20%
49 Peplins Way Brookmans Park AL9 7UR
Received 28 Apr 2021
Decided - Granted6/2026/0966/EM
UPVC Double glazed windows and back door
7 Digswell Court Digswell Rise Welwyn Garden City AL8 7PR
Received 2 Jun 2026
Decided - Granted6/2022/2341/HOUSE
Erection of a single storey side/rear extension, part garage conversion including raising of roof, insertion of roof lights to existing and proposed flat roofs and alterations to openings to rear and side elevations.
86 Attimore Road Welwyn Garden City AL8 6LP
Received 7 Oct 2022
Decided - Granted6/2021/1745/HOUSE
Alterations to existing front boundary treatment comprising: removal of all walls, railings and piers (other than gate piers and a pier at each end); retention of gates; erection of 1.6m high fence; and provision of mature yew hedge.
31 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 3 Jun 2021
Decided - Granted6/2016/2470/TPO
Reduce Liquid Amber tree by 2m and prune branches by upto 1m - Conservation Area
19 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 21 Nov 2016
Decided - Granted6/2016/2414/VAR
Variation of condition 3 (Materials) on planning permission N6/2015/0953/FP to allow a different glazing colour.
2 Grange Hill Welwyn AL6 9RW
Received 15 Nov 2016
Decided - Granted6/2016/1628/TPO
Crown reduce sycamore (T1) by 30%. Crown reduce lime (T2) by 30% and sever ivy. Reduce yew (T4) by 1m all over. Crown lift lime (T5) to 3.5m.
8 Church Place Welwyn AL6 9FB
Received 9 Aug 2016
Decided - GrantedS6/2015/0307/FP
Erection of part single storey and part two storey rear extension, single storey front extension and first floor side extension following demolition of existing garage
30 Grangewood, Potters Bar, EN6 1SL
Received 16 Feb 2015
Decided - Granted6/2017/1032/EM
Erection of single storey rear extension and loft conversion, with erection of two rear dormers
175 Blythway Welwyn Garden City AL7 1DS
Received 12 May 2017
Decided - Granted6/2019/2688/VAR
Variation of condition 11 (approved plans) on planning permission 6/2018/1996/FULL
77 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QG
Received 24 Oct 2019
Decided - Granted6/2019/0612/EM
Erection of garage following the demolition of existing garage
1 Guessens Road Welwyn Garden City AL8 6QW
Received 15 Mar 2019
Decided - Granted6/2022/2014/EM
Installation of photovoltaic panels to front roof - environmental project. Need to be on the front due to the positioning of the house and, therefore, maximum exposure to sunlight.
3 Stoneycroft Welwyn Garden City AL7 1QU
Received 31 Aug 2022
Decided - GrantedW6/2013/0683/TE
Crown reduce Common Beech tree by upto 30% and remove two fruit trees within rear garden
9 Valley Road, WELWYN GARDEN CITY, AL8 7DG
Received 8 Apr 2013
DecidedN6/2008/1383/TE
REMOVAL OF DEAD TREE FROM REAR OF GARDEN
25 KNIGHTSFIELD, WELWYN GARDEN CITY, AL8 7JE
Received 4 Aug 2008
Decided - Granted6/2025/0913/EM
Installation of 13 Solar panels, electrical appliances and battery systems and like for like replacement of front door and port hole window
2 Pitsfield Welwyn Garden City AL8 7SJ
Received 16 May 2025
Decided - Refused6/2022/0722/EM
Installation of external air source heat pump unit to replace existing gas boiler
118 Handside Lane Welwyn Garden City AL8 6SZ
Received 28 Mar 2022
Under Consideration6/2026/1774/TC
T1 - Ash and Lime, sharing a common crown to reduce by approximately 2.5m height and width T2 - 1 x Alder to reduce by approximately 2.5m height and width T4 - 1 x Beech to reduce upper stems growing over property by approximately 3m, reduce remaining lower lateral branches by approximately 1-1.5m ensuring each branch is pruned back to a suitable growth point. T6 - 1 x Holly to reduce by 3-4m height T7 - 1 x Beech (over main drive area) to remove limb back to main stem. Reduce remaining lateral branches over driveway by approximately 2.5m T8 - 1 x Beech to remove low limbs rubbing on phone wire T9 - 1 x Beech to remove deadwood greater than 30mm diameter, reduce branches back from phone wires and over neighbours driveway.
8 The Green Welwyn AL6 9EA
Received 6 Oct 2026
Decided - Granted6/2021/2635/EMT
Fell 1 x Sycamore tree (T1) and reduce 1 x Sycamore tree (T2) by 2m
236 Howlands Welwyn Garden City AL7 4HF
Received 9 Sept 2021
Decided - Granted6/2026/1161/TPO
5 DAY NOTICE: T1 Ash (///taped.excuse.inner) Removal of tree to ground level. (Covered by TPO 158 & 889 (2022))
57 Peplins Way Brookmans Park AL9 7UR
Received 3 Jul 2026
Decided - Refused6/2018/0822/EM
Formation of a single driveway.
15 Great Ganett Welwyn Garden City AL7 3DA
Received 28 Mar 2018

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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How to search planning applications

Guides to planning records

All planning guides

Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
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Published 16 Jul 2026Updated 13 Sept 2026
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Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
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Published 6 Aug 2026Updated 13 Sept 2026
Property research · 13 min read
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