Chapel Barn Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA Data via plota.co.uk

26/00639/FPH - Full Permission Householder Approved
Extensions & alterations

Proposal

Erection of detached ancillary garden annex with decking and associated access steps Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
12 May 2026
✓
Approved
1 Jul 2026

Approved on 1 Jul 2026 · Delegated · Last checked 6 Jul 2026

Documents

View the documents on the council's website ↗

Site constraints 4

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. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Agricultural land, grade 3a
Best and most versatile land (grades 1, 2 and 3a). Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. Natural England's Provisional ALC map (1:250,000, 1970s) agrees.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
Habitat network: Network Enhancement Zone 1
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Radon affected area, class 2.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 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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Other new applications on this street

23 Sept 2026Pending

Welwyn Equestrian Centre Pottersheath Road Pottersheath Hitchin Hertfordshire AL6 9SZ

Part demolition and alterations to existing barn and stables, including alterati...

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29 Jul 2026Approved

Briar Cottage Pottersheath Road Pottersheath Welwyn Hertfordshire AL6 9SU

Two-storey side/rear extension and insertion of first floor side window followin...

26/01892/FPH
11 May 2026Approved

Southernwood Pottersheath Road Pottersheath Welwyn Hertfordshire AL6 9ST

Single storey rear extension, alterations to fenestrations including insertion o...

26/01202/FPH
6 May 2026Approved

Robin Hood And Little John Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UB

Variation of Condition 2 (the new position of the building requires the approved...

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Important details

Council
North Hertfordshire
Application type
Full Permission Householder
Postcode
AL6 9UA
Received
12 May 2026
Validated
12 May 2026
Ward
Knebworth Ward
Parish
Codicote Parish Council
Case officer
Show
Target decision
7 Jul 2026
Decision
Conditional Permission
Decision date
1 Jul 2026
Decision level
Delegated
Applicant
Show
Agent
Show

How this decision compares

Decided in 50 days from validation, about the council's usual 49 days. Approved, as 92% of extensions here are.

79%decided within 8 weeks
92%approved
601decided in the last year

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

Consultation & key dates

Alt. reference
PP-14645368
Planning Portal ref
PP-14645368
Comments by
13 Jun 2026

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
Internal and external refurbishment and adaption of existing listed dwelling including in…
25/01177/LBC
2025 Approved
Infill extension to create principal front entrance, insertion of rooflights, alterations…
25/01176/FPH
2025 Approved
Internal and external refurbishment and adaption of existing listed dwelling including in…
25/01177/LBC
2025 Approved
Infill extension to create principal front entrance, insertion of rooflights, alterations…
25/01176/FPH
Within ~100m

Nearby activity

2025 Approved
Fen Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of chalet bungalow following demolition of existing buildings
25/01850/FP
2025 Approved
Fen Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of chalet bungalow following demolition of existing buildings
25/01850/FP
2025 Approved
Fen Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Conversion of existing stables into dwelling following demolition of outbuildings
25/00044/FP
2025 Approved
Fen Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Conversion of existing stables into dwelling following demolition of outbuildings
25/00044/FP
2022 Approved
Ridge Farm Rabley Heath Road Codicote Hertfordshire AL6 9UA
Erection of 4 x 3-bed dwellings with attached garages, associated car parking spaces, cre…
22/01636/FP
2022 Approved
Ridge Farm Rabley Heath Road Codicote Hertfordshire AL6 9UA
Erection of 4 x 3-bed dwellings with attached garages, associated car parking spaces, cre…
22/01636/FP
2020 Approved
5 Codicote Heights Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of rear timber orangery following demolition of existing rear conservatory
20/02298/LDCP
2020 Approved
5 Codicote Heights Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of rear timber orangery following demolition of existing rear conservatory
20/02298/LDCP
2019 Approved
Ridge Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Continued mixed use of barn F as Class B2 workshop/A3 café use.
19/02755/FP
2018 Approved
Ridge Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of 4 x 3 bedroom dwellings with attached garages, associated car parking spaces…
18/01607/FP
2017 Refused
Ridge Farm Rabley Heath Road Codicote Welwyn Hertfordshire AL6 9UA
Erection of 5 x 3 bedroom dwellings with attached garages, associated car parking spaces…
17/04210/FP
North Hertfordshire
Planning Authority Score
6.9/10
Good
#66 of 296 councils
Relevant to this application:
Householder decisions

North Hertfordshire ranks #128 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
North Hertfordshire decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #62 of 296
95%
Householder approved
Above avg (90%) #87 of 296
69%
Decided in 8 weeks
Above avg (63%) #128 of 296
32%
Extended time limit
Below avg (41%) #65 of 296
82%
Minor dwellings approved
112 decided (1-9 homes)
84%
Major dwellings approved
19 decided (10+ homes)
90%
Change of use approved
21 decided
1,102
Total decisions
82 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings