1 Westholm Letchworth Garden City Hertfordshire SG6 4JB Data via plota.co.uk

26/01516/LBC - Listed Building Consent Awaiting decision

Proposal

Single storey rear extension and insertion of 2 no. rooflights to existing rear roof slope. Alterations to fenestration and external rendering. Internal alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
8 Jul 2026
Decision
Expected by 11 Sept 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 68. The consultation period closed on 8 Aug 2026.

Site constraints 4

Letchworth 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 ↗
Local nature reserve 55 m away: Norton Common
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.
Also on the record
3 listed buildings within 150 m; Inside the Letchworth built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 12 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
Listed Building Consent
Postcode
SG6 4JB
Received
8 Jul 2026
Validated
8 Jul 2026
Ward
Letchworth Norton Ward
Parish
Letchworth Garden City
Case officer
Show
Target decision
11 Sept 2026
Applicant
Show

Decision outlook

Day 68, past the statutory target. 97% of extensions in North Hertfordshire are decided within thirteen weeks, which runs to 7 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 13 Sept 2026.

Day 6812 days past the 56-day target
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.

Last counted 13 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14996984
Comments by
8 Aug 2026
North Hertfordshire
Planning Authority Score
6.9/10
Good
#66 of 296 councils
Relevant to this application:
Other 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