The Elms The Causeway Therfield Royston Hertfordshire SG8 9PP Data via plota.co.uk

26/02230/NMA - Non-Material Amendment Registered

Proposal

Installation of metal windows (as Non-Material Amendment to planning permission granted 17.09.2024) Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
7 Sept 2026
Decision
Expected by 2 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 25 Oct 2026, from North Hertfordshire's recent extensions.

Site constraints 5

Grade II listed: Elm House
List entry 1102622 · 2 m from the pin · 4 more listed buildings within 150 m (4 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 4 with distances
Historic England ↗
Therfield 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
Scheduled monument 176 m away: Motte and bailey castle and associated earthworks 100m south of Tuthill Farm; Inside the Therfield 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

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
Non-Material Amendment
Postcode
SG8 9PP
Received
7 Sept 2026
Validated
7 Sept 2026
Ward
Ermine Ward
Parish
Therfield Parish Council
Case officer
Show
Applicant
Show
Agent
Mark Scott

Decision outlook

Day 5 of the 56-day target. North Hertfordshire usually decides extensions by day 48.

Day 551 days to 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 10 Sept 2026

Read the comments on the council site ↗

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