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Permitted22/05514/S19LBSubmitted 3 years agoRear extension

21-25 Northampton Street Cambridge Cambridgeshire

S19 application to vary condition 2 (Approved plans) of listed building ref: 22/01050/LBC (Demolition of existing single storey elements (kitchen and toilet), rear boundary wall and art room. Construction of a new single storey link between No.21-24 Northampton Street and first floor rear extension at No.25; replacement of ground floor facade to No.21-24; partial demolition of chimney breast at ground floor in Porter's Lodge lobby; creation of new openings; internal fabric improvements to floors and walls; external insulation; replacement glazing and window casements and secondary glazing; installation of associated plant including PV panels to roof of No.25 and re-roofing of No.21-25; creation of new opening between No.21-24 at first floor; works to the internal roof structure at second floor in No.25) Amendments to the first-floor connection between no.24 and no.25 Northampton Street and The replacement of the metal windows at the back of No.25 Northampton Street.

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Progress

Submitted
21 Dec 2022
— completed
Validated
21 Dec 2022
— completed
Consultation
19 Jan 2023
— completed
Target date
15 Feb 2023
— completed
Decided
14 Feb 2023
— completed

Application details

Reference
22/05514/S19LB
Local authority
Cambridge
Ward
Castle
Application type
Conditions
Property type
House

Key dates

Submitted
21 Dec 2022
Validated
21 Dec 2022
Comments close
19 Jan 2023
Target decision
15 Feb 2023
Decided
14 Feb 2023

18 documents · 0 comments · 22 constraints

Estimated project value

£30k–£55k

Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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