21 Doncaster Gardens, Northolt, UB5 4BN
About 21 Doncaster Gardens
21 Doncaster Gardens is a three-bedroom mid-terrace house in Northolt (UB5 4BN). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (August 2017) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2013); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Good and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity. Other recorded features include outbuildings. Records show the property has been extended at some point in its history.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer was March 2025 at £500,000 — fresh data. Across 2015–2025, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£384/sq ft) was about 26.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenRear
- DrivewayYes
- OutbuildingsYes
Building
- Previously extendedYes
Energy performance
21 Doncaster Gardens sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Wall insulation upgraded
Roof insulation improved
Low energy lighting percentage decreased
Planning history
21 Doncaster Gardens has no planning applications on record.
Notable planning nearby
17applications of note in the surrounding area
We flagged 2 things worth checking at 21 Doncaster Gardens
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 Doncaster Gardens saw 3 transfers in just over a decade — high turnover for the postcode.
£476,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 10 years.
£500,000
Growth on file: 2.7% per year over 10 years.
Sales timeline
30 March 2025Most recent
£500,000
+12.4%over 7 years16 February 2018
£445,000
+15.3%over 2 years25 June 2015
£386,000
Median price across the last 5 sales in UB5 4BN: £465,000 (2025–2019).
Nearby sales in UB5 4BN
25 Doncaster Gardens, Northolt, UB5 4BN
Sold May 2025
£510,0007 Doncaster Gardens, Northolt, UB5 4BN
Sold Feb 2024
£430,00017 Doncaster Gardens, Northolt, UB5 4BN
Sold Sept 2023
£470,00026 Doncaster Gardens, Northolt, UB5 4BN
Sold Jan 2020
£441,00011 Doncaster Gardens, Northolt, UB5 4BN
Sold Jul 2019
£465,000
Versus other Doncaster Gardens homes
21 Doncaster Gardens is notably below the street on epc rating.
Price per m²
£4,132
Street avg £7,103
Floor Area
121 m²
Street avg 113 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.5 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Sandown Way — bus stop.
Closest school
0.3 km
Islip Manor High School. 40 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.5dB

Night-time· 23:00 – 07:00
40.1dB







