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Get started27 College Cross is a four-bedroom semi-detached house in Islington, London, London (N1 1PT). It has a recorded floor area of 207 m² (around 2228 sq ft), construction records dating it to before 1900 and council tax band G. Tenure is freehold. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Period features are noted in the property record. The latest certificate (July 2021) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump.
14 planning records sit against the property, 8 approved, 4 refused, 1 pending. Past consents include an extension, new windows, tree works and a basement excavation, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. The record references listed-building consent, which constrain future alterations. Sale prices here have outpaced London HPI: 5.5% per year against 0% for the wider region. Today's modelled estimate of £3,332,000 is 11.1% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£1,346/sq ft) was about 98.1% above the typical sold price in the postcode. At 207 m² the property is well over the postcode median (106 m² across 26 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Sold February 2023 for £3,000,000.
27 College Cross's carbon output runs well above what efficient homes in the postcode produce.
27 College Cross has multiple listed-building consents on file — alterations need formal heritage approval.
Extension: Single storey · Rear of property
New single storey infill extension to the lower ground rear floor level, landscaping to the rear, including new staircase and metal railings, and the rebuilding of garden wall to west and east of the property. Replacement of non-existing sash windows with slimline double glazed sash windows. All remaining sash windows to be refurbished. Replacement of roof and roof light to rear outrigger. Internal works would include replacing chimney pieces, doors, relocation of boiler and associated pipework would be upgrading throughout, using existing pipe runs (Listed building consent also submitted ref:P2025/0496/LBC).
Sale price has at least doubled since 2008.
£3,332,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 14 years.
£3,000,000
Growth on file: 5.5% per year over 14 years.
On co₂ emissions, 27 College Cross runs well behind the street norm.
Price per m²
£14,493
Street avg £14,355
Floor Area
207 m²
Street avg 176 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Islington Town Hall — bus stop.

Daytime· 07:00 – 23:00
56.2dB

Extension: Single storey · Rear of property
New single storey infill extension to the lower ground rear floor level, landscaping to the rear, including new staircase and metal railings, and the rebuilding of garden wall to west of the property. Replacement of non-existing sash windows with slimline double glazed sash windows. All remaining sash windows to be refurbished. Replacement of roof and roof light to rear outrigger. Internal works would include replacing chimney pieces, doors, relocation of boiler and associated pipework would be upgrading throughout, using existing pipe runs (Full plan application ref: P2025/0495/FUL also submitted)
12 more applications for this property
Join to see all planning history.
24 February 2023Most recent
£3,000,000
+117.4%over 14 years30 September 2008
£1,380,000
Median price across the last 5 sales in N1 1PT: £2,300,000 (2025–2024).
1 College Cross Islington London
Sold Jun 2025
Flat B 21 College Cross Islington London
Sold Jul 2024
47 College Cross Islington London
Sold Jul 2024
First And Second Floor Flat 61 College Cross London
Sold Jul 2024
29 College Cross Islington London
Sold May 2024
CO₂ Emissions
9.4 t/year
Street avg 7.8 t/year
N1 1PT
Closest school
0.3 km
William Tyndale Primary School. 98 schools nearby.
Night-time· 23:00 – 07:00
46.0dB
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