Thornhill Square, London

59 homes · mostly before 1900 mid-terrace · N1 1BQ, N1 1BE

43 of 59 graded homes sit below their potential — on average 1.3 grades of headroom.

D
Street Grade
The most common grade among this street’s current certificates. Average score 61.6.

Grade distribution

Current certificates, 59 graded homes.

17
29
12
1
ABCDEFG

Price statistics

HM Land Registry price paid data since 1995.

£1,599,634
average, last 10 years
92
sales since 1995
£545,000
latest sale, 10 September 2025
54 · 10 September 2025£545,000
Flat 2 1 · 5 September 2024£895,000
11C · 25 July 2024£483,000
16 · 5 April 2024£2,750,500
24 · 15 February 2024£2,500,000

Homes on Thornhill Square

Pick an address to see its Report Card.

AddressGrade → potential
1a Thornhill SquareD→ CFlat 2, 1 Thornhill SquareD→ CFlat 4, 1 Thornhill SquareE→ D5 Thornhill SquareD→ B7 Thornhill SquareE→ D10 Thornhill SquareD→ CFlat B, 11 Thornhill SquareC→ C12 Thornhill SquareC→ B13 Thornhill SquareD→ B14 Thornhill SquareE→ C15 Thornhill SquareD→ C16 Thornhill SquareD→ B21 Thornhill SquareC→ B22 Thornhill SquareF→ C23 Thornhill SquareE→ B24 Thornhill SquareD→ CFlat C, 25 Thornhill SquareD→ D26 Thornhill SquareD→ C28 Thornhill SquareD→ B29 Thornhill SquareC→ C32a Thornhill SquareD→ CFlat D, 32 Thornhill SquareD→ C33 Thornhill SquareE→ E34 Thornhill SquareE→ E37 Thornhill SquareD→ B39 Thornhill SquareC→ CBasement And Ground Floor Flat, 40 Thornhill SquareC→ BFlat C, 40 Thornhill SquareD→ CBasement And Ground Floor Flat, 41 Thornhill SquareC→ BFirst Mezzanine And Second Floor Flat, 41 Thornhill SquareC→ BBasement And Ground Floor Flat, 42 Thornhill SquareC→ BFirst Floor Flat, 42 Thornhill SquareC→ BFlat C, 42 Thornhill SquareE→ D43 Thornhill SquareE→ E44 Thornhill SquareC→ C46 Thornhill SquareD→ CFlat A, 46 Thornhill SquareC→ C47 Thornhill SquareE→ D49 Thornhill SquareD→ B50 Thornhill SquareE→ CFlat C, 51 Thornhill SquareC→ C52 Thornhill SquareD→ DFlat A, 53 Thornhill SquareD→ CFlat B, 53 Thornhill SquareC→ CLower Ground Flat, 54 Thornhill SquareD→ C55 Thornhill SquareD→ B57 Thornhill SquareD→ C57a Thornhill SquareD→ C58 Thornhill SquareD→ DFlat B, 58 Thornhill SquareC→ CFlat C, 58 Thornhill SquareC→ C59 Thornhill SquareD→ C60 Thornhill SquareD→ CRaised Ground Floor Flat, 60 Thornhill SquareD→ C62 Thornhill SquareE→ D62a Thornhill SquareC→ CGround Floor Flat, 62 Thornhill SquareE→ CTop Floor Flat, 62 Thornhill SquareD→ C63a Thornhill SquareD→ C

Other streets in N1

CCaledonian RoadCHertford RoadBYork WayBWharf RoadCWenlock RoadCSouthgate RoadCBarnsbury EstateCKingsbury Road