35 Carbone Hill Northaw Potters Bar EN6 4PN Data via plota.co.uk

6/2026/1093/FULL - FULL PERMISSION Refused

Proposal

Erection of 2 no. detached houses with integral garages Data via plota.co.uk

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View original council record ↗Last checked 12 Sept 2026, 08:55

Application progress

✓

Received

24 Jun 2026

✓

Validated

29 Jun 2026

✗

Refused

Appeal

Not lodged

Refused on · Delegated · Last checked 7 Sept 2026

Documents 42

Statements & assessments 8

Plans & drawings 12

Consultation & comments 11

PDF Response_6-2026-1093-FULL(1).pdf (69 kb) Document · 25 Aug 2026 View ↗ PDF Major Objection - 35 Carbone Hill.pdf (307 kb) Document · 24 Jul 2026 View ↗ PDF Comments(10).pdf (76 kb) Document · 24 Jul 2026 View ↗ PDF Comments-Redacted(7).pdf (74 kb) Document · 23 Jul 2026 View ↗ PDF 553321 6_2026_1093_FULL NE Response.pdf (148 kb) Document · 16 Jul 2026 View ↗ PDF Response_6-2026-1093-FULL.pdf (98 kb) Document · 16 Jul 2026 View ↗ PDF Comments-Redacted(4).pdf (78 kb) Document · 16 Jul 2026 View ↗ PDF Objection to Planning Application 6 2026 1093 FULL Date 13 07 26_Redacted.pdf (1667 kb) Document · 14 Jul 2026 View ↗ PDF Comments-Redacted.pdf (76 kb) Document · 13 Jul 2026 View ↗ PDF Comments-Redacted(3).pdf (75 kb) Document · 13 Jul 2026 View ↗ PDF Comments.pdf (78 kb) Document · 8 Jul 2026 View ↗

Site constraints 7

Ancient woodland: Great/Broombarns Woods

Irreplaceable habitat. Standing advice asks for a 15 m buffer from the boundary.

National policy refuses development that would cause loss or deterioration of ancient woodland or ancient trees unless there are wholly exceptional reasons.

Green belt: London

Inappropriate development needs very special circumstances.

Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm.

Local nature reserve 37 m away: Northaw Great Wood Country Park

Work nearby can need a habitats assessment.

Harm to a protected site is only accepted where there is no alternative and an overriding public interest.

SSSI 39 m away: Northaw Great Wood SSSI

Natural England may need consulting, depending on what is proposed.

Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.

Habitat network: Ancient Semi Natural Woodland

Where habitat is joined up enough to work as a network. Context, not a constraint on its own.

Also on the record

Inside the Cuffley built-up area; Priority habitat 37 m away: Deciduous woodland.

Not affected

Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Certificate of lawfulness for garage conversion with side access door

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Important details

Council: Welwyn Hatfield
Application type: FULL PERMISSION
Postcode: EN6 4PN
Received: 24 Jun 2026
Validated: 29 Jun 2026
Parish: Northaw and Cuffley
Case officer: Show
Decision level: Delegated
Applicant: Show
Agent: Show

Public comments

8comments received

2 objecting6 neutral

25% object · below the UK average of 75%

8 neighbours consulted · Last counted 7 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by: 14 Sept 2026

Historical activity at this location

13 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2018 Approved

Submission of details pursuant to condition 1 (soft landscape) on planning permission 6/2…

6/2018/1817/COND 4 Sep 2018

2018 Approved

Submission of details pursuant to condition 3 (Bat mitigation strategy) on planning permi…

6/2018/1678/COND 16 Aug 2018

2018 Approved

Erection of first floor rear extension, roof alterations and 2no rear Juliet balconies fo…

6/2018/0457/HOUSE 21 May 2018

2017 Approved

Certificate of lawfulness for the erection of a poolhouse, detached garage, gym building…

6/2017/2263/LAWP 3 Nov 2017

2017 Refused

Certificate of Lawfulness for the erection of a pool house, detached garage, gym building…

6/2017/1778/LAWP 3 Oct 2017

Within ~100m

Nearby activity

2020 Refused

30 Carbone Hill Northaw Potters Bar EN6 4PN

Certificate of lawfulness for the erection of rear infill extension

6/2020/0261/LAWP 27 Mar 2020

2020 Refused

30 Carbone Hill Northaw Potters Bar EN6 4PN

Certificate of lawfulness for the erection of rear infill extension

6/2020/0261/LAWP 27 Mar 2020

2018 Approved

3 Homewood Lane, Northaw, Potters Bar, EN6 4PP

Erection of brick wall and piers, including installation of gates, following removal of e…

6/2018/2176/HOUSE 17 Oct 2018

2018 Approved

26 Carbone Hill Northaw Potters Bar EN6 4PN

Certificate of lawfulness for installation of 14 standard 'in-roof' (embedded) Solar PV p…

6/2018/0695/LAWP 15 May 2018

2018 Refused

3 Homewood Lane, Northaw, Potters Bar, EN6 4PP

Replacement front gates and erection of front garden wall and piers with associated soft…

6/2018/0179/HOUSE 22 Mar 2018

2017 Approved

3 Homewood Lane Northaw Potters Bar EN6 4PP

Erection of two storey rear extension, single storey rear extension, single storey front…

6/2017/0696/HOUSE 24 Oct 2017

2017 Approved

3 Homewood Lane Northaw Potters Bar EN6 4PP

Prior approval for the erection of a single storey rear extension measuring 8m in depth…

6/2017/1563/PN8 24 Aug 2017

2017 Approved

3 Homewood Lane Northaw Potters Bar EN6 4PP

Certificate of lawfulness for the erection of side and rear extensions, alterations to ex…

6/2017/0695/LAWP 10 Aug 2017

Welwyn Hatfield

Planning Authority Score

2.1/10

Poor

#272 of 296 councils

Relevant to this application:

Householder decisions

Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #224 out of 296. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).

Slower than most councils

for householder decisions

These figures are council-wide context, not a prediction for this application. View full council performance

Welwyn Hatfield decision statistics

Based on MHCLG data, the year to March 2026

86%

Overall approval rate

Below avg (87%) #200 of 296

86%

Householder approved

Below avg (90%) #246 of 296

53%

Decided in 8 weeks

Below avg (63%) #224 of 296

50%

Extended time limit

Above avg (41%) #229 of 296

84%

Minor dwellings approved

63 decided (1-9 homes)

83%

Major dwellings approved

12 decided (10+ homes)

73%

Change of use approved

22 decided

633

Total decisions

87 refused in the year to March 2026

35 Carbone Hill Northaw Potters Bar EN6 4PN Data via plota.co.uk

Proposal

Application progress

Documents 42

Statements & assessments 8

Plans & drawings 12

Consultation & comments 11

Other documents 11

Site constraints 7

Other new applications on this street

Nearby new applications

Important details

Public comments

Consultation & key dates

Previous applications at this address

Nearby activity