3Y Avg Price
£2,058,333
3 sales
Properties
9
Sales / Year
1.0
5-year average
Avg £/sq ft
£846
£9,105/m²
Rank in NW7
8th
of 196 streets
Last Sale
£2,750,000
Jan 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
14 total recorded
9 Tretawn Park
Detached
£2,750,000
Jan 2026
1 Tretawn Park
Detached
£1,275,000
Jul 2025
15 Tretawn Park
Detached
£2,150,000
Jan 2024
7 Tretawn Park
Detached
£2,925,000
Mar 2023
11 Tretawn Park
Detached
£1,225,000
Aug 2022
19 Tretawn Park
Detached
£1,200,000
Jul 2016
9 Tretawn Park
Detached
£1,675,000
Jun 2014
7 Tretawn Park
Detached
£1,000,000
Sept 2012
9 Tretawn Park
Detached
£1,350,000
Nov 2010
13 Tretawn Park
Detached
£875,000
Jul 2007
Street Rankings — NW7
Streets ranked by 3-year average sale price. Showing positions 4–13 of 196.
| # | Street | 3Y Avg |
|---|---|---|
| 4 | Weymouth Avenue | £2,250,000 |
| 5 | Lawrence Street | £2,205,000 |
| 6 | Partingdale Lane | £2,120,000 |
| 7 | Nan Clarks Lane | £2,077,500 |
| 8 | Tretawn Park | £2,058,333 |
| 9 | Lawrence Court | £1,885,000 |
| 10 | Bramley Close | £1,880,000 |
| 11 | Parkside | £1,875,000 |
| 12 | Marsh Lane | £1,861,944 |
| 13 | Wise Lane | £1,647,143 |
Property Mix
Type
Tenure
EPC Ratings
7 of 9 properties have an EPC record
Avg floor area: 2,325 sq ft (216 m²)
District Context — NW7
NW7 covers Mill Hill and surrounding areas in north-west London, sitting on the edge of the Metropolitan Green Belt. It is an established suburban neighbourhood with strong family appeal and good transport links.
Average Property Price - NW7
£790,426
95
National percentile
Average Net Household Income - NW7
£56,462
96
National percentile
10-Year Annualised Price Growth - NW7
2.1%
10
National percentile
10-Year Annualised Rent Growth - NW
2.6%
2
National percentile