64 Stockens Green Knebworth Hertfordshire SG3 6DQ Data via plota.co.uk

26/01579/FPH - Full Permission Householder Refused

Proposal

Replace existing windows to front, side and rear elevations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
15 Jul 2026
Refused
20 Aug 2026
Appeal
Not lodged

Refused on 20 Aug 2026 · Delegated · Last checked 22 Aug 2026

Site constraints 3

Stockens Green Knebworth conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Also on the record
Inside the Knebworth built-up area; the 1970s provisional farmland map 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 · Not green belt · No listed building 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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Important details

Application type
Full Permission Householder
Postcode
SG3 6DQ
Received
15 Jul 2026
Validated
15 Jul 2026
Ward
Knebworth Ward
Parish
Knebworth Parish Council
Case officer
Show
Decision
Refused
Decision date
20 Aug 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 36 days from validation, 12 days faster than North Hertfordshire's median of 48 for extensions. Refused, as 9% of extensions here are.

79%decided within 8 weeks
91%approved
439decided in the last year

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

Public comments

No public comments yet.

2 neighbours consulted · Last counted 22 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15016210
Comments by
14 Aug 2026
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