Postcode district report · August 2026

UB3, Hillingdon

UB3 is the 3rd Hapiest of Hillingdon's 9 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport.

Homes sold
222
in the 12 months to August 2026
Median price
£459,000
-0.2% on the year before
Price per m²
£5,922
median, homes with an EPC
Flats
29%
of homes sold

UB3 on the HPAI Swatch

Each tile ranks UB3 against the other postcode districts of Hillingdon.

Price per m²£5,922/m² 5th of 9
Price change-0.2% 8th of 9
Sales a year222 a year 4th of 9
Sales change-0.4% 1st of 9
Energy efficiency69 EPC score 2nd of 9
Carbon2.7 t CO₂ a home 1st of 9
Station nearby1.2 km 6th of 8
Yellow the best in Hillingdon Green above average Blue below average Purple weakest in Hillingdon

Yellow is Hapi: the more yellow, the better UB3 compares with the rest of Hillingdon. These colours compare postcode districts within Hillingdon; Hillingdon's own Swatch compares it with areas across England and Wales.

Hillingdon's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 UB10 330£552,500 +0.5%
2 HA5 96£660,000 +6.9%
3 UB3 222£459,000 -0.2%
4 HA4 460£560,000 -3.4%
5 UB7 172£432,500 +1.8%
6 UB8 229£475,000 +4.7%
7 UB4 171£490,000 -0.2%
8 HA6 128£650,000 +0.0%
9 UB9 71£490,000 +13.3%

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About these figures

Price per m²
Median price per square metre of homes sold in the last 12 months (homes with an EPC).
Price change
Median price in the last 12 months against the 12 months before.
Sales a year
Open-market sales in the last 12 months. More sales means a deeper, easier market.
Sales change
Sales in the 12 months to three months ago against the year before. The newest months are left out: Land Registry registers sales late.
Energy efficiency
Average EPC energy efficiency score of homes sold (higher is more efficient).
Carbon
Average carbon emissions of homes sold, tonnes a year. Lower is better.
Station nearby
Median distance from homes sold to the nearest railway station. Closer is better.

Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Hillingdon only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Hillingdon aren't ranked.