8-10 Mallow Street, London, EC1Y 8RQ Data via plota.co.uk
Proposal
Erection of two storey roof extension to rear part of No. 8 (third and fourth floor). Extension of third floor and a one storey roof extension to the front part of No. 9-10 (fourth floor). Rearrangement of layout of existing 4 residential units. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 9 Nov 2026; it is now day 278.
Site constraints 24
Checked on 3 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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
Decision outlook
Day 278, past the statutory target. 83% of extensions in Islington are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Nov 2026.
Plota live figures for extensions decided by Islington in the last twelve months, from validation. Islington decision record →
Consultation & key dates
- Alt. reference
- PP-14355159
- Comments by
- 14 Mar 2026
- Site or press notice
- 19 Feb 2026
- Statutory expiry
- 9 Mar 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Islington is slower than most councils at deciding householder applications, ranking #260 out of 296. 53% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).
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8-10 Mallow Street, London, EC1Y 8RQ
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The consultation period closed on 14 Mar 2026.