Crown House 49A Castlegate Grantham Lincolnshire NG31 6SY Data via plota.co.uk

S26/1183 - Non-material amendments Approved

Proposal

Non-material amendment to planning approval (Installation of roof plant with acoustic louvred enclosure. Window and external door replacement. Render repairs.) to run cabling and pipework externally on the east elevation. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
9 Jul 2026
✓
Approved
5 Aug 2026

Approved on 5 Aug 2026 · Delegated Decision · Last checked 5 Aug 2026

Associated applications 2

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    • AmendmentNon-material amendment (Installation of roof plant with acoustic louvred enclosure. Window…This applicationS26/1183

Site constraints 6

Habitat network: Restorable Habitat
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Heritage at risk 21 m away: Grantham; 11 listed buildings within 150 m; Radon affected area, class 2; Flood defence 22 m away (natural high ground, designed for a 1 in 200 year flood); Inside the Grantham built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · 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.

Building

Floor area3,833 m² (41,258 sq ft)
Energy ratingD (asset rating 89)
UseB1 Offices and Workshop businesses
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in February 2017, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Non-material amendments
Postcode
NG31 6SY
Received
9 Jul 2026
Validated
9 Jul 2026
Ward
Grantham St Wulframs Ward
Parish
Grantham Town Council
Case officer
Show
Target decision
6 Aug 2026
Decision
Approved without conditions
Decision date
5 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Mellor Reid Architects

Public comments

No public comments yet.

Last counted 5 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15069992
Planning Portal ref
PP-15069992
Statutory expiry
6 Aug 2026
Env. assessment
No
South Kesteven
Planning Authority Score
2.7/10
Poor
#244 of 296 councils
Relevant to this application:
Householder decisions

South Kesteven is slower than most councils at deciding householder applications, ranking #262 out of 296. The council extends the time limit on 60% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Frequently extends decision deadlines
expect longer than the statutory limit
These figures are council-wide context, not a prediction for this application. View full council performance
South Kesteven decision statistics
Based on MHCLG data, the year to March 2026
91%
Overall approval rate
Above avg (87%) #100 of 296
94%
Householder approved
Above avg (90%) #118 of 296
43%
Decided in 8 weeks
Below avg (63%) #262 of 296
60%
Extended time limit
Above avg (41%) #270 of 296
69%
Minor dwellings approved
110 decided (1-9 homes)
90%
Major dwellings approved
20 decided (10+ homes)
87%
Change of use approved
55 decided
1,002
Total decisions
95 refused in the year to March 2026

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.