5 Mountfort Crescent, London, N1 1JW Data via plota.co.uk
Proposal
Erection of a replacement two-storey side extension, replacement of existing rear conservatory with bay window, replacement of existing roof lantern, removal of existing non-original water tanks and timber enclosure on roof, installation of 1no. air source heat pump with acoustic enclosure in rear garden, along with other associated internal alterations. Data via plota.co.uk
Application progress
Approved on 21 Sept 2026 · Delegated · Last checked 25 Sept 2026
Associated applications 2
- Erection of a replacement two-storey side extension, replacement of existing rear conservatory with bay window, replacement…
Site constraints 12
Show the other 23 with distances
- 19 m3 and 4, Mountfort CrescentGrade II
- 44 m10 and 12, Belitha VillasGrade II
- 44 mNumbers 14 and 16 and Attached RailingsGrade II
- 46 mSt Andrew's VicarageGrade II
- 50 mNumbers 18 and 20 and Attached RailingsGrade II
- 61 mNumbers 22 and 24 (Even) and Attached RailingsGrade II
- 64 m2, Belitha VillasGrade II
- 70 mMountford HouseGrade II
- 71 mNumbers 126-152 (Even) and Attached RailingsGrade II
- 74 m7-9, Belitha VillasGrade II
- 79 m1, 3 and 5, Belitha VillasGrade II
- 91 m27 and 28, Barnsbury SquareGrade II
- 106 mNumbers 147-165 (Odd) and Attached RailingsGrade II
- 108 mNumbers 27 and 29 and Railings Attached to Number 27Grade II
- 112 m1-4, Mountfort TerraceGrade II
- 118 mWest LodgeGrade II
- 119 mNumbers 112-124 (Even) and Attached RailingsGrade II
- 120 mNumbers 31 and 33 and Attached RailingsGrade II
- 127 mNumber 45 and Attached RailingsGrade II
- 133 m49, Thornhill RoadGrade II
- 135 m35 and 37, Belitha VillasGrade II
- 146 m51, Thornhill RoadGrade II
- 148 mNumbers 104-110 (Even) and Attached RailingsGrade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, 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.
Sales history 1
Last sold for £4,380,000 in January 2018. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Islington - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
2, Mountfort Crescent, London, N1 1JW
T7 Ailanthus, crown reduce back to previous points, approx. 1.5m. Cyclical maint...
6, Mountfort Crescent, London, N1 1JW
Alter roofing as agreed by Conservation Officer Sean McEntee 9 February 2026. R...
3 MOUNTFORT CRESCENT, LONDON, ISLINGTON, N1 1JW
Side Extension Underpinning and Render Repair Works.
4, Mountfort Crescent, London, N1 1JW
T2 Pear, cut back by 2m from neighbour's garden in Belitha Villas. T3 Lime, re
Nearby new applications
136, Hemingford Road, London, N1 1DE
T1 - Lime - Reduce/pollard to previous reduction points. 2m approx. branch remo
Ground Floor, 294 - 296 Caledonian Road, London, N1 1BA
Replacement of existing restaurant frontage with new double glazed, single and b
11, RIPPLEVALE GROVE, LONDON, ISLINGTON, N1 1HS
T1 - robinia tree (10m) - remove dead branches from crown and remove epicormic ...
Shop, 271 Caledonian Road, London, N1 1EE
To install new powder coated shop fronts with recessed porch and entrance door a...
Shop, 271 Caledonian Road, London, N1 1EE
Advertisement Consent for the display of advertisements comprising the installat...
10, Brayfield Terrace, London, N1 1HZ
Apple tree : Fell. I have been asked by my neighbours to consider felling the
Important details
How this decision compares
Decided in 96 days from validation, 44 days slower than Islington's median of 52 for extensions. Approved, as 94% of extensions here are.
Plota live figures for extensions decided by Islington in the last twelve months, from validation. Islington decision record →
Consultation & key dates
- Alt. reference
- PP-15014938_C
- Comments by
- 1 Aug 2026
- Site or press notice
- 9 Jul 2026
- Statutory expiry
- 25 Jul 2026
Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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%).
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
Track this application
5 Mountfort Crescent, London, N1 1JW
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
