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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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

  1. Decided - GrantedS6/2008/1008/FP

    ERECTION OF REAR & SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING SIDE EXTENSION

    39 HILL RISE, CUFFLEY, HERTFORDSHIRE, EN6 4EH

    Received 27 Jun 2008
  2. Decided - GrantedS6/2014/1608/LUP

    Certificate of lawfulness for the erection of flat roofed rear dormer and partial straightening of hipped roof to gable to accommodate conversion of loft including associated internal modifications

    20 Bluebridge Avenue, Brookmans Park, Hatfield, AL9 7RZ

    Received 16 Jul 2014
  3. Decided - Granted6/2017/2293/COND

    Submission of details pursuant to condition 2 (Control of Odour and Noise Assessment) and 3 (details of acoustic specifications) on planning permission 6/2016/2369/FULL dated 17/03/17

    98 Haldens Welwyn Garden City AL7 1DD

    Received 6 Oct 2017
  4. Decided - Withdrawn6/2016/0694/FULL

    Alterations to shop front to facilitate change in signage

    72-76 Haldens, Welwyn Garden City, AL7 1DD

    Received 15 Apr 2016
  5. Decided - Refused6/2018/2769/LAWP

    Certificate of lawfulness for a double car port and pool house

    11 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 26 Oct 2018
  6. Decided - SplitN6/2004/1243/AD

    INSTALLATION OF NON-ILLUMINATED LETTERING TO ELEVATIONS FACING HOWARDSGATE AND STONEHILLS AND ERECTION OF TWO BANNERS AT FIRST FLOOR LEVEL AND INSTALLATION OF NON-ILLUMINATED ATM SURROUND

    LLOYDS BANK PLC, 49 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BA

    Received 13 Aug 2004
  7. Decided - RefusedN6/2014/2077/LUE

    Certificate of lawfulness for existing gravelled access road

    Land at Spinney Lane Welwyn AL6 9TB

    Received 19 Sept 2014
  8. Decided - Granted6/2019/2223/EM

    T1 - 1x Cherry Tree

    8 Densley Close Welwyn Garden City AL8 7JX

    Received 9 Sept 2019
  9. Decided - Granted6/2022/1218/COND

    Submission of details pursuant to Condition 1 (Arboricultural assessment) on planning permissions 6/2021/2391/HOUSE

    11A Heath Road Welwyn AL6 0TP

    Received 25 May 2022
  10. Decided - Granted6/2025/0753/EM

    Removal of an external single backdoor, and sensitive brickwork to allow for kitchen units to be placed in front of current opening

    3 Gainswood Welwyn Garden City AL7 3XG

    Received 22 Apr 2025
  11. Decided - Granted6/2023/2371/HOUSE

    Erection of a single storey rear extension with insertion of rooflights and alterations to existing openings to rear elevation

    15 Lowerfield Welwyn Garden City AL7 3JT

    Received 24 Nov 2023
  12. Decided - GrantedC6/1988/0298/FP

    Erection of a rear conservatory

    21 Waterbeach, Welwyn Garden City, AL7 2PT

    Received 1 Jan 1988
  13. Decided - GrantedN6/2009/1987/TE

    REDUCE SILVER BIRCH TREE LOCATED IN FRONT GARDEN BY UPTO 15 FEET AND TRIM

    9 BARLEYCROFT GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JY

    Received 4 Sept 2009
  14. Decided - Refused6/2016/2338/COND

    Approval of details reserved by condition 2 (Drawings) and condition 4 (Method Statement) on planning permission 6/2016/1680/LB

    The Crooked Chimney, Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE

    Received 7 Nov 2016
  15. Decided - Granted6/2025/0698/FULL

    Erection of two storey rear and side extensions and associated hard and soft landscaping following the demolition of the existing single storey rear projections and detached rear sheds.

    3-4 Bury Cottages Essendon Hill Essendon

    Received 11 Apr 2025
  16. Decided - WithdrawnW6/2013/1188/DS

    Discharge of conditions 10 (fenestration) of estate management consent W6/2013/0280/EM - Erection of part single, part two storey extension to rear, and garage conversion, loft conversion with dormer to rear and insertion of first floor side window

    58 Attimore Road, WELWYN GARDEN CITY, AL8 6LP

    Received 6 Jun 2013
  17. Decided - Granted6/2020/2617/FULL

    Erection of external canopy (to be used as dining space) and laying of hard surfacing to connect existing path to canopy

    Chancellors School Pine Grove Brookmans Park Hatfield AL9 7BN

    Received 9 Oct 2020
  18. Decided - GrantedS6/2009/0377/S73B

    VARIATION OF CONDITION 8 OF PLANNING PERMISSION S6/2008/1865/FP (BOUNDARY TREATMENT) TO INCLUDE DETAILS OF LEVELS IN ASSOCIATION WITH THE PROPOSED TERRACE AREA INCLUDING BOUNDARY TREATMENT

    19 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QH

    Received 17 Feb 2009
  19. Decided - GrantedS6/2006/0581/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    Beggars Roost West End Lane Essendon Hatfield AL9 6AU

    Received 4 May 2006
  20. Decided6/2020/1481/TELEC

    Installation of 2 x BTS3900A cabinets adjacent to existing cabinets and associated ancillary works

    Lampost at Travellers Lane Hatfield AL10 8TJ

    Received 16 Jun 2020
  21. Decided - Granted6/2022/2104/EMT

    Hawthorn T1 to fell tree.

    10 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 8 Sept 2022
  22. Decided - GrantedN6/2006/0142/FP

    CHANGE OF USE OF LAND AND ERECTION OF BOUNDARY FENCE

    14 Ramblers Way Welwyn Garden City AL7 2JX

    Received 2 Feb 2006
  23. Decided6/2019/1668/TC

    Fell 2 x Sycamore tree Remove ivy from 1 x Sycamore tree

    3 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 8 Jul 2019
  24. Decided - Granted6/2020/3231/LAWP

    Certificate of lawfulness for the siting of a mobile home for use ancillary to the main dwelling

    6 Bridge Road Knebworth SG3 6JG

    Received 2 Dec 2020

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

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • 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.

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