22 Alyngton Northchurch Hertfordshire HP4 3XP Data via plota.co.uk

26/02351/FHA - Full Householder Application With planning case officer
Extensions & alterations

Proposal

Single storey front extension, partial garage conversion, replacement rear porch and associated internal alterations Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
26 Oct 2026
Decision
Expected by 21 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 15 Dec 2026, from Dacorum's recent extensions.

Documents 10

Statements & assessments 1

PDF Design & Access Statement Design & Access Statement · 26 Oct 2026 View ↗

Plans & drawings 8

PDF Proposed ground floor plan Proposed Floor Plans · 27 Oct 2026 View ↗ PDF Proposed first floor plan Proposed Floor Plans · 27 Oct 2026 View ↗ PDF Existing first floor plan Existing Floor Plans · 27 Oct 2026 View ↗ PDF Existing Elevations Existing Elevations · 27 Oct 2026 View ↗ PDF Existing ground floor plan Existing Floor Plans · 27 Oct 2026 View ↗ PDF Proposed Elevations Proposed Elevations · 27 Oct 2026 View ↗ PDF 3d views Proposed Plans · 27 Oct 2026 View ↗ PDF Location plan & block plan Site and Block Plans · 23 Oct 2026 View ↗

Application forms 1

PDF Applicationformredacted Application Form Redacted · 23 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 9

Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
National landscape 63 m away: Chilterns
Outside the landscape; its setting can still be raised.
Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.
Also on the record
Radon affected area, class 3; Special area of conservation 497 m away: Chilterns Beechwoods; Green belt 10 m away: London; SSSI 497 m away: Ashridge Commons and Woods SSSI; Inside the Berkhamsted built-up area; Priority habitat 34 m away: Deciduous woodland; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 28 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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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Important details

Council
Dacorum
Application type
Full Householder Application
Postcode
HP4 3XP
Received
26 Oct 2026
Validated
26 Oct 2026
Ward
Northchurch
Parish
Northchurch Parish Council
Decision level
Delegated
Applicant
Show
Agent
Blackwood Architects Ltd

Decision outlook

Day 3 of the 56-day target. Dacorum usually decides extensions by day 50.

Day 353 days to the 56-day target
87%decided within 8 weeks
90%approved
684decided in the last year

Plota live figures for extensions decided by Dacorum in the last twelve months, from validation. Dacorum decision record →

Public comments

No public comments yet.

Last counted 28 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15300354
Planning Portal ref
PP-15300354
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
12 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Two storey side extension
25/01913/FHA
2025 Approved
12 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Two storey side extension
25/01913/FHA
2025 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Loft conversion with rear dormer and 2 Velux rooflights to front.
25/00011/LDP
2025 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Loft conversion with rear dormer and 2 Velux rooflights to front.
25/00011/LDP
2023 Approved
20 Friars Field Northchurch Berkhamsted Hertfordshire HP4 3XE
Proposed rear dormer extension to roof. Provision of two side elevation windows
23/02494/LDP
2023 Approved
20 Friars Field Northchurch Berkhamsted Hertfordshire HP4 3XE
Proposed rear dormer extension to roof. Provision of two side elevation windows
23/02494/LDP
2023 Approved
20 Friars Field Northchurch Berkhamsted Hertfordshire HP4 3XE
Single storey rear extension measuring a depth of 5 metres with a maximum height of 3.9 m…
23/02496/HPA
2023 Approved
20 Friars Field Northchurch Berkhamsted Hertfordshire HP4 3XE
Single storey rear extension measuring a depth of 5 metres with a maximum height of 3.9 m…
23/02496/HPA
2022 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Single storey side extension and part garage conversion
22/00565/FHA
2022 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Single storey side extension and part garage conversion
22/00565/FHA
2021 Approved
6 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Single storey side extension and single storey wrap-around side/rear extension following…
21/04543/FHA
2021 Approved
6 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Single storey side extension and single storey wrap-around side/rear extension following…
21/04543/FHA
2021 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Two storey side extension, partial garage conversion and internal alterations
21/02966/FHA
2021 Approved
3 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Two storey side extension, partial garage conversion and internal alterations
21/02966/FHA
2021 Approved
11 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Extension of existing cantilevered bay window to side elevation at ground level and repla…
21/02831/LDP
2021 Approved
11 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Extension of existing cantilevered bay window to side elevation at ground level and repla…
21/02831/LDP
2020 Approved
14 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Replacement of a glazed conservatory roof for a tiled /partially glazed roof.
20/00220/FHA
2020 Approved
14 Alyngton Northchurch Berkhamsted Hertfordshire HP4 3XP
Replacement of a glazed conservatory roof for a tiled /partially glazed roof.
20/00220/FHA
2019 Approved
46 Mandelyns Northchurch Berkhamsted Hertfordshire HP4 3XH
Proposed Single Storey Rear Extension and Alterations to Replace Existing Conservatory
19/02605/FHA
2019 Approved
1 Mandelyns Northchurch Berkhamsted HP4 3XH
Addition of high level fixed window to flank elevation of rear extension (amendment to pe…
4/01423/19/FHA
2016 Withdrawn
10 Alyngton Northchurch Berkhamsted HP4 3XP
Loft conversion with rear dormer and front roof light
4/01239/16/LDP
2016 Approved
10 Alyngton Northchurch Berkhamsted HP4 3XP
Single storey rear extension, front porch enlargement to be aligned with existing wall an…
4/01188/16/FHA
2016 Approved
10 Alyngton Northchurch Berkhamsted HP4 3XP
Single storey rear extension, front porch enlargement to be aligned with existing wall an…
4/01188/16/FHA
2016 Approved
1 Mandelyns Northchurch Berkhamsted HP4 3XH
Rear facing dormer window and front facing Velux.
4/00418/16/LDP
2016 Approved
1 Mandelyns Northchurch Berkhamsted HP4 3XH
Rear facing dormer window and front facing Velux.
4/00418/16/LDP
Dacorum
Planning Authority Score
7.3/10
Good
#51 of 296 councils
Relevant to this application:
Householder decisions

Dacorum is faster than most councils at deciding householder applications, ranking #50 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Dacorum decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #150 of 296
91%
Householder approved
Above avg (90%) #171 of 296
78%
Decided in 8 weeks
Above avg (63%) #50 of 296
22%
Extended time limit
Below avg (41%) #22 of 296
76%
Minor dwellings approved
127 decided (1-9 homes)
79%
Major dwellings approved
14 decided (10+ homes)
71%
Change of use approved
21 decided
1,130
Total decisions
132 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings