40 Chalmers Road Cambridge Cambridgeshire CB1 3SX Data via plota.co.uk

Awaiting decision 26/02695/HFUL
Extensions & alterations
Council
Cambridge 8.3/10
Date received
22 Jul 2026
Date validated
22 Jul 2026
Postcode
CB1 3SX

Description

Single storey side extension. Data via plota.co.uk

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Other new applications on this street

51 Chalmers Road Cambridge Cambridgeshire CB1 3SZ

Annexe to the rear of the garden

26/01126/HFUL - 31 Mar 2026

Nearby new applications

40 Chalmers Road Cambridge Cambridgeshire CB1 3SX

Single storey side extension.

26/02695/HFUL - 22 Jul 2026

40 Chalmers Road Cambridge Cambridgeshire CB1 3SX

Single storey side extension.

26/02695/HFUL - 22 Jul 2026

422-424 Cherry Hinton Road Cambridge Cambridgeshire CB1 8BA

Two storey rear extensions.

26/02596/HFUL - 21 Jul 2026

422-424 Cherry Hinton Road Cambridge Cambridgeshire CB1 8BA

Two storey rear extensions.

26/02596/HFUL - 21 Jul 2026

422-424 Cherry Hinton Road Cambridge Cambridgeshire CB1 8BA

Two storey rear extensions.

26/02596/HFUL - 21 Jul 2026

83 Derwent Close Cambridge Cambridgeshire CB1 8DY

S191 for the existing use of dwellinghouse to be used as a HMO for 4 persons.

26/02307/CLUED - 17 Jul 2026

Historical activity at this location

23 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
70 Chalmers Road Cambridge Cambridgeshire CB1 3SX
S73 to vary condition 2 (drawings) and 3 (materials) of ref: 25/02484/HFUL (Front porch…
25/03542/S73
2025 Approved
70 Chalmers Road Cambridge Cambridgeshire CB1 3SX
S73 to vary condition 2 (drawings) and 3 (materials) of ref: 25/02484/HFUL (Front porch…
25/03542/S73
2025 Approved
70 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Front porch, single storey rear and two storey side extensions
25/02484/HFUL
2025 Approved
70 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Front porch, single storey rear and two storey side extensions
25/02484/HFUL
2023 Withdrawn
42 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Part two and part single storey front, side and rear extensions
23/01276/HFUL
2023 Withdrawn
42 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Part two and part single storey front, side and rear extensions
23/01276/HFUL
2022 Approved
72 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Single storey extension to rear.
22/04070/HFUL
2022 Approved
72 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Single storey extension to rear.
22/04070/HFUL
2021 Withdrawn
39 Chalmers Road Cambridge Cambridgeshire CB1 3SZ
Single storey rear extension to form annex and carers room
21/04279/HFUL
2021 Withdrawn
39 Chalmers Road Cambridge Cambridgeshire CB1 3SZ
Single storey rear extension to form annex and carers room
21/04279/HFUL
2021 Refused
Land To The Rear Of 32 And 32A Gray Road Cambridge CB1 3TA
Construction of 2 No. one Bedroom Bungalows
21/02122/FUL
2021 Refused
Land To The Rear Of 32 And 32A Gray Road Cambridge CB1 3TA
Construction of 2 No. one Bedroom Bungalows
21/02122/FUL
2021 Approved
53 Chalmers Road Cambridge CB1 3SZ
Certificate of lawfulness under S192 for a proposed single storey rear extension
21/03195/CL2PD
2021 Approved
53 Chalmers Road Cambridge CB1 3SZ
Certificate of lawfulness under S192 for a proposed single storey rear extension
21/03195/CL2PD
2019 Refused
32 & 32A Gray Road Cambridge CB1 3TA
Erection of 4no. 1-bedroom flats on land to the rear with bin and cycle stores, following…
19/0683/FUL
2019 Refused
32 & 32A Gray Road Cambridge CB1 3TA
Erection of 4no. 1-bedroom flats on land to the rear with bin and cycle stores, following…
19/0683/FUL
2020 Approved
The Paddocks 347 Cherry Hinton Road Cambridge CB1 8DH
G1 Mixed Group - Crown raise group along boundary upto 4m, removing only secondary branch…
20/025/TTPO
2019 Decided
The Paddocks 347 Cherry Hinton Road Cambridge CB1 8DH
G1 - Mixed group - Raise crown over parking area to 4m. Lateral reduction by upto 3m. Rem…
19/527/TTPO
2019 Decided
The Paddocks 347 Cherry Hinton Road Cambridge CB1 8DH
G1 - Mixed group - Raise crown over parking area to 4m. Lateral reduction by upto 3m. Rem…
19/527/TTPO
2018 Refused
32 & 32A Gray Road Cambridge CB1 3TA
Erection of 4no. 1-bedroom flats in the rear garden with bin and cycle stores, following…
18/1708/FUL
2018 Refused
32 & 32A Gray Road Cambridge CB1 3TA
Erection of 4no. 1-bedroom flats in the rear garden with bin and cycle stores, following…
18/1708/FUL
2016 Approved
48 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Single storey side extension.
16/0337/FUL
2016 Approved
48 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Single storey side extension.
16/0337/FUL
Cambridge
Planning Authority Score
8.3/10
Excellent
#18 of 296 councils
Relevant to this application:
Householder decisions

Cambridge is one of the fastest councils in England for householder decisions, ranking #21 out of 296. Only 26% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (94%) 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
Cambridge decision performance
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #108 of 296
94%
Householder approved
Above avg (90%) #100 of 296
86%
Decided in 8 weeks
Above avg (63%) #21 of 296
26%
Extended time limit
Below avg (41%) #34 of 296
74%
Minor dwellings approved
86 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
80%
Change of use approved
41 decided
1,014
Total decisions
100 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings