Search Welwyn Hatfield Borough Council planning applications

See all 24,991 planning applications since 2016, 433 in the last 90 days, from Welwyn Hatfield Borough Council across 14 towns and areas and 10 postcode districts. Search and filter them by date, status, development type or number of homes, see the latest on the map, or get a free alert for new applications. In the year to March 2026, Welwyn Hatfield Borough Council decided 633 planning applications and approved 86%; 53% of householder decisions were made within eight weeks.

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Source: Welwyn Hatfield Borough Council·Updated daily·Last checked 28 Oct 2026

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Areas: Welwyn Garden City 260Hatfield 47Woolmer Green 40Cuffley 26Brookmans Park 24Welwyn 14Welham Green 5Essendon 5
Showing 50 of 433 applications
Yesterday Under Consideration 6/2026/1941/TPO

1A Harmer Dell Welwyn AL6 0BE

Felling of a European Larch [775 (2018) T5 - individual tree] with Ganoderma

WORKS TO TREES WITH TREE PRESERVATION ORDER Welwyn Hatfield
View details Council site ↗
22 Oct 2026 Under Consultation 6/2026/1911/EMT

17 Roundwood Drive Welwyn Garden City AL8 7JZ

Apple to remove - suppressing other shrubs and plants causing a nuisance to neighbours with overhang and fruit fall Plum to remove - suppressing other...

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
22 Oct 2026 Under Consideration 6/2026/1909/TC

17 Roundwood Drive Welwyn Garden City AL8 7JZ

Apple to remove - suppressing other shrubs and plants, causing a nuisance to neighbours with overhang and fruit fall. Plum to remove - suppressing oth...

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
22 Oct 2026 Under Consultation 6/2026/1845/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to Condition 7 (Construction Environmental Management Plan) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
21 Oct 2026 Approved 23 Oct 6/2026/1892/TPO

Bedwell End School Lane Essendon Herts AL9 6HL

To fell a dangerous tree diagnosed with Sycamore Anthracnose leaning towards garage (TPO3 W4)

WORKS TO TREES WITH TREE PRESERVATION ORDER Welwyn Hatfield
View details Council site ↗
21 Oct 2026 Under Consultation 6/2026/1844/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition 6 (Construction Traffic Management Plan) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
20 Oct 2026 Under Consideration 6/2026/1887/TC

47 Elmwood Welwyn Garden City AL8 6LD

Reduce the Bramley and the Mulberry by approx 25%

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
19 Oct 2026 Under Consideration 6/2026/1877/TC

40 Applecroft Road Welwyn Garden City AL8 6LA

T1 Fir tree - left-hand side of the rear garden fell to ground level T2 Magnolia remove the lowest limb on the right-hand side Reduce the whole tree b...

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
19 Oct 2026 Under Consultation 6/2026/1852/EM

88 Uplands Welwyn Garden City AL8 7EQ

Erection of a single storey rear extension, re-tiling and installation of solar panels to the main roof, and installation of an air sourced heat pump ...

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1813/HOUSE

19 Sherrardspark Road Welwyn Garden City AL8 7JW

Erection of porch

HOUSEHOLDER APPLICATION Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1878/COND

The North Star 82 Great North Road Welwyn AL6 0TA

Submission of details pursuant to condition 9 (Noise Management Plan) and condition 11 (Access Arrangements) on planning permission 6/2026/0025/VAR

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1761/FULL

12-14 Bell Lane Brookmans Park AL9 7AY

Erection of one dwelling, with garage wing, external landscaping and associated works following demolition of existing dwelling and outbuildings

FULL PERMISSION Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1883/EM

511 Howlands Welwyn Garden City AL7 4HS

Replacing and altering an existing window to reduce its width and height

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1880/EM

465 Howlands Welwyn Garden City AL7 4HP

Erection of garden office with an external air-conditioning unit and one storage shed

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
16 Oct 2026 Under Consultation 6/2026/1876/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant of condition 1d (Condition Survey (Windows/Doors)) on planning permission 6/2025/1635/LB

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consultation 6/2026/1850/HOUSE

19 High Ridge Cuffley Potters Bar EN6 4JH

Erection of two storey side extension, upper floor side and rear extensions and new front entrance. Installation of a box dormer on the side elevation...

HOUSEHOLDER APPLICATION Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consultation 6/2026/1788/EM

15 Brockswood Lane Welwyn Garden City AL8 7BA

Single storey side and part two storey rear extension

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consultation 6/2026/1862/COND

Land Adjacent to The Coach and Horses 61 Newgate Street Village Hertford SG13 8RA

Submission of details pursuant to Condition 8 (noise mitigation) on planning permission 6/2022/1957/FULL

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consultation 6/2026/1860/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition number 1c (Protection Method Statement) on planning permission 6/2025/1635/LB

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consultation 6/2026/1822/PN29

13 Stonehills Welwyn Garden City AL8 6ND

Prior Approval for change of use from Commercial, business and services (Use Class E) to Dwellinghouses (Use Class C3) to convert the first and second...

Class AB - New dwellinghouses on terrace buildings in commercial or mixed use - Prior Approval Welwyn Hatfield
View details Council site ↗
15 Oct 2026 Under Consideration 6/2026/1841/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to Condition 1 (development zones) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1830/FULL

39 The Ridgeway Northaw EN6 4BD

Erection of dwelling and garage following the demolition of existing dwelling

FULL PERMISSION Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consideration 6/2026/1866/TC

8 The Green Welwyn AL6 9EA

T1 - 1 x Beech to reduce overhanging branches by approximately 4m

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consideration 6/2026/1864/TPO

16 The Green Welwyn AL6 9EA

T5 to reduce overhanging branches by 2m

WORKS TO TREES WITH TREE PRESERVATION ORDER Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1855/EMT

29 Coltsfoot Welwyn Garden City AL7 3HZ

Reduce Hornbeam approx 6ft to previous cut points in 2022

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1854/EMT

12 Holly Walk Welwyn Garden City AL8 7EJ

3 x Lawson Cypress to remove to ground level

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1861/COND

Former Shredded Wheat Factory Broadwater Road United Kingdom AL7 1RR

Submission of details pursuant of condition 1b (Demolition Method Statement (Retained Structures)) on planning permission 6/2025/1635/LB

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1858/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition 5 (Surface Water Drainage Network) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
14 Oct 2026 Under Consultation 6/2026/1859/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition 1a (Demolition Method Statement - Production Hall and Chimney) on planning permission 6/2025/1635/LB

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1812/HOUSE

19 Sherrardspark Road Welwyn Garden City AL8 7JW

Erection of single storey rear infill extension with internal alterations

HOUSEHOLDER APPLICATION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consideration 6/2026/1849/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant of condition 15 (Materials) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1846/COND

Former Shredded Wheat Factory Broadwater Road AL7 1RR

Submission of details pursuant of condition 11 (Soil Investigations and Remediation) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1842/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant of condition 2 (detailed design of shared services) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1837/EM

43 Barleycroft Road Welwyn Garden City AL8 6JX

Installation of air source heat pump

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1831/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant of condition 3 (historic building record) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1746/EM

183 Peartree Lane Welwyn Garden City AL7 3XL

Insertion of a roof light to existing rear extension

ESTATE MANAGEMENT Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1848/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition 20 (water supplies and fire hydrants) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1847/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition number 19 (Refuse & Recycling) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1843/COND

Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR

Submission of details pursuant to condition number 4 (Site Waste Management Plan) on planning permission 6/2025/0321/MAJ

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1835/EMT

39 Rosedale Welwyn Garden City AL7 1DW

Fell 1 x very large Conifer tree to front of property due to root damage to footpath and concerns over potential storm damage to neighbouring properti...

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Under Consultation 6/2026/1833/TC

104 Parkway Welwyn Garden City AL8 6HL

Hornbeam tree to reduce the crown by 30% 2x Holly trees to reduce in height by 1 metre and trim into shape

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
13 Oct 2026 Withdrawn 16 Oct 6/2026/1832/TC

Ridgeway Academy Herns Lane Welwyn Garden City AL7 2AF

T1 - Silver birch dead/ dieing fell to ground level T2 - Silver birch dead/ dieing fell to ground level T3 - Silver birch dead/ dieing fell to ground ...

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1828/EMT

35 Woodland Rise Welwyn Garden City AL8 7LJ

T1 declining Oak fell to ground level

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1827/EMT

33 Woodland Rise Welwyn Garden City AL8 7LJ

T1 Oak tree fell to ground level T2 oak tree fell to ground level

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1818/TC

51 Brockswood Lane Welwyn Garden City AL8 7BU

T1 Oak - crown reduction by up to 4m from branch tips T2 Oak - crown reduction by 1-2m from branch tips

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consideration 6/2026/1817/TC

5 Aldock Welwyn Garden City AL7 4QF

10.5m tall Oak (Quercus Lepidobalanus) crown reduction of 2-meters and major limb facing the neighbour to be removed along with any deadwood from prev...

TREES IN CONSERVATION AREA Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1815/EMT

5 Aldock Welwyn Garden City AL7 4QF

10.5m tall Oak (Quercus Lepidobalanus) crown reduction of 2-meters and major limb facing the neighbour to be removed along with any deadwood from prev...

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1823/COND

Land adjacent to Coach and Horses Newgate Street Village Hertford SG13 8RA

Submission of details pursuant to Condition 3 (Sustainability Statement), condition 4 (Materials) and condition 5 (Architectural details) on planning ...

APPROVAL OF DETAILS RESERVED BY CONDITION Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Withdrawn 19 Oct 6/2026/1816/EMT

51 Brockswood Lane Welwyn Garden City AL8 7BU

T1 oak - crown reduction by approximately 4m from branch tips T2 oak - crown reduction by approximately 1-2m from branch tips

ESTATE MANAGEMENT TREES Welwyn Hatfield
View details Council site ↗
9 Oct 2026 Under Consultation 6/2026/1824/HOUSE

110 Guessens Road Welwyn Garden City AL8 6RS

Erection of first-floor side extension

HOUSEHOLDER APPLICATION Welwyn Hatfield
View details Council site ↗
Recency
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Planned new homes in Welwyn Hatfield (82)House extensions in Welwyn Hatfield (776)Change of use applications in Welwyn Hatfield (57)Solar and renewables in Welwyn Hatfield (61)Demolition plans in Welwyn Hatfield (154)

Towns and areas

Welwyn Garden City (260)Hatfield (47)Woolmer Green (40)Cuffley (26)Brookmans Park (24)Welwyn (14)Welham Green (5)Essendon (5)
All towns and areas in Welwyn Hatfield (14)
Brookmans ParkColney HeathCuffleyEssendonHatfieldNewgate StreetNorth MymmsNorthawPotters BarTewin WoodWelham GreenWelwynWelwyn Garden CityWoolmer Green
Postcode districts in Welwyn Hatfield (10)
AL10AL4AL6AL7AL8AL9EN2EN6SG13SG3

Nearby councils

Hertfordshire County Council (7) · Stevenage (124) · St Albans (646) · Barnet (1228) · North Hertfordshire (608)

Decisions in Welwyn Hatfield Full decision record →

56daysmedian to decide2 days slower than UK
64%decided within 8 weeks2 pts below UK
91%approved1 pts above UK
277of 388UK rank for speeddown 34 places on last year

1,854 decisions in the 12 months to September 2026 · fewer than 1% went to committee. Days run from validation to decision, the clock councils report against; Plota live figures.

Frequently asked questions

How long does Welwyn Hatfield Borough Council take to decide a planning application?
Across the 1,854 applications Welwyn Hatfield Borough Council decided in the last 12 months, the median time from validation to decision was 56 days, and 64% were decided within 8 weeks. The UK median over the same period is 54 days.
What proportion of planning applications does Welwyn Hatfield Borough Council approve?
91% of the applications Welwyn Hatfield Borough Council decided in the last 12 months were approved. Withdrawn applications are not counted as decisions.
Where does this planning application data come from?
Every application on this page comes from Welwyn Hatfield Borough Council's public planning register (planning.welhat.gov.uk). Plota collects it, adds a map location and a category, and links each record back to the council's own entry, which is the authoritative version.
How often is this page updated?
Plota checks Welwyn Hatfield Borough Council's register every day and adds new applications, status changes and decisions as the council publishes them. The register was last checked on 28 Oct 2026.
Where can I see the plans and documents for an application?
Plans, drawings and officer reports are held on Welwyn Hatfield Borough Council's own website. Where the council publishes a document list, it appears on the application's page here with each item linking to the council's copy; otherwise the "View original council record" link on every application opens the council's entry.

About this data

Plota holds 24,991 planning applications from Welwyn Hatfield Borough Council since 2016, each counted once: 3,521 current records, received since 17 Jul 2024, and 21,470 earlier ones in the Plota archive, searchable by location and keyword. 433 were received in the last 90 days. Current records are collected from the council's public register at planning.welhat.gov.uk and checked every day; the last check was on 28 Oct 2026. Each record carries the council's reference, address, proposal, dates, status and decision, with a map location and Plota's classification by type and procedure added. The council's own record is the authoritative version; every entry here links to it.

Latest application from Welwyn Hatfield: 27 Oct 2026. We check the council's portal daily.