16 High Street Grantchester Cambridgeshire CB3 9NF Data via plota.co.uk

26/03390/HFUL - Householder Works/Extension Approved

Proposal

Re-roofing of west and part east slopes of existing roof. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
4 Sept 2026
✓
Consultation
28 Sept 2026
✓
Approved
26 Oct 2026

Approved on 26 Oct 2026 · Delegated Decision · Last checked 27 Oct 2026

Site constraints 6

Grantchester 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 ↗
11 listed buildings within 150 m
Nearest: Reading Room, Grade II, 4 m away · 11 Grade II
The site itself is not listed. 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 all 11 with distances
Historic England ↗
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
Scheduled monument 221 m away: Moated site at Manor Farm; Inside the Grantchester built-up area; Green belt 59 m away: Cambridge.
Not affected
Outside flood zones 2 and 3

Checked on 6 October 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.

Sales history 3

Last sold for £771,559 in September 2010. Semi-detached house, freehold.

20 September 2010£771,559
28 August 2002£392,000
13 January 1999£220,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area133 m² (1,432 sq ft)
Energy ratingE (52 out of 100), could reach C
PropertyDetached house, 7 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, oil
WallsCob, as built

From the energy performance certificate lodged in November 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Householder Works/Extension
Postcode
CB3 9NF
Received
4 Sept 2026
Validated
4 Sept 2026
Ward
Harston & Comberton
Parish
Grantchester CP
Case officer
Show
Target decision
30 Oct 2026
Decision
Granted Permission
Decision date
26 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Emma Adams Architect Ltd

How this decision compares

Decided in 52 days from validation, about the council's usual 53 days. Approved, as 96% of extensions here are.

85%decided within 8 weeks
96%approved
711decided in the last year

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

Public comments

No public comments yet.

9 neighbours consulted · Last counted 27 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Site or press notice
28 Sept 2026
Statutory expiry
30 Oct 2026
Env. assessment
No
South Cambridgeshire
Planning Authority Score
8.1/10
Excellent
#25 of 296 councils
Relevant to this application:
Householder decisions

South Cambridgeshire is one of the fastest councils in England for householder decisions, ranking #24 out of 296. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
South Cambridgeshire decision statistics
Based on MHCLG data, the year to March 2026
94%
Overall approval rate
Above avg (87%) #45 of 296
95%
Householder approved
Above avg (90%) #91 of 296
84%
Decided in 8 weeks
Above avg (63%) #24 of 296
31%
Extended time limit
Below avg (41%) #60 of 296
86%
Minor dwellings approved
215 decided (1-9 homes)
96%
Major dwellings approved
27 decided (10+ homes)
79%
Change of use approved
38 decided
1,509
Total decisions
96 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.