21 Brookside Avenue, Grotton, Oldham, OL4 4LH
About 21 Brookside Avenue
21 Brookside Avenue is a four-bedroom semi-detached house in Grotton, Oldham, Oldham (OL4 4LH). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2019) shows a C (score 73). When first surveyed in January 2016 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81).
At 176 m² the property is well over the postcode median (93 m² across 24 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 2002–2022, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £371,000 is 18.9% above the 2022 sale price. Sold December 2022 for £312,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
Outside
- GarageIntegral
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
21 Brookside Avenue has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Brookside Avenue
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.
- Larger development activity nearby
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Sales history & valuation
21 Brookside Avenue has more than tripled in price since its earliest registered sale in 2002.
£371,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 20 years.
£312,000
Growth on file: 6.2% per year over 20 years.
Sales timeline
16 December 2022Most recent
£312,000
+20.0%over 3 years20 November 2019
£260,000
+181.1%over 17 years19 November 2002
£92,500
Median price across the last 5 sales in OL4 4LH: £295,000 (2025–2024).
Nearby sales in OL4 4LH
45 Brookside Avenue, Grotton, Oldham, OL4 4LH
Sold Aug 2025
£415,0004 Brookside Avenue, Grotton, Oldham, OL4 4LH
Sold Jun 2025
£238,0003 Brookside Avenue, Grotton, Oldham, OL4 4LH
Sold May 2025
£295,00016 Brookside Avenue, Grotton, Oldham, OL4 4LH
Sold Mar 2025
£300,0002 Brookside Avenue, Grotton, Oldham, OL4 4LH
Sold Dec 2024
£247,500
Versus other Brookside Avenue homes
Floor Area for 21 Brookside Avenue runs comfortably ahead of the street norm.
Price per m²
£1,773
Street avg £2,407
Floor Area
176 m²
Street avg 99 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 4.7 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Nearest stop
0.2 km
Brooklands Drive — bus stop.
Closest school
0.6 km
Knowsley Junior School. 27 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
48.9dB

Night-time· 23:00 – 07:00
39.8dB







