11 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
About 11 St Marys Avenue
11 St Marys Avenue is a six-bedroom semi-detached house in Purley On Thames, Reading, Reading (RG8 8BJ). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (June 2026) shows a C (score 70). When first surveyed in February 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
At 153 m² the property is well over the postcode median (108 m² across 19 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Across 2000–2015, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £598,000 sits 75.9% above the 2015 sale of £340,000. 11 years since the last transfer (September 2015).
What this property has
Inside
- Bedrooms6
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- GarageYes
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 18 June 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £795 · Includes VAT
Planning history
11 St Marys Avenue has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£598,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 15 years.
£340,000
Growth on file: 5.4% per year over 15 years.
Sales timeline
9 September 2015Most recent
£340,000
+127.4%over 15 years10 March 2000
£149,500
Median price across the last 5 sales in RG8 8BJ: £435,000 (2024–2021).
Nearby sales in RG8 8BJ
23 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
Sold May 2024
£430,00031 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
Sold May 2023
£435,0001 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
Sold Feb 2022
£210,00049 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
Sold Nov 2021
£465,0009 St Marys Avenue, Purley On Thames, Reading, RG8 8BJ
Sold May 2021
£485,000
Versus other St Marys Avenue homes
Floor Area for 11 St Marys Avenue runs comfortably ahead of the street norm.
Price per m²
£2,222
Street avg £3,068
Floor Area
153 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Colyton Way, Purley On Thames
RG8 8BL
1 Belleisle, Purley On Thames
RG8 8AP
1 Croft Drive, Pangbourne
RG8 8AN
1 Captains Gorse, Upper Basildon
RG8 8SZ
1 Duncan Gardens, Purley On Thames
RG8 8DW
1 Elyham, Purley On Thames
RG8 8EN
1 Hazel Road, Purley On Thames
RG8 8BB
1 Hill Corner Cottages, Ashampstead
RG8 8RN
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
52/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Colyton Way — bus stop.
Closest school
0.5 km
Purley CofE Primary School. 12 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.2dB

Night-time· 23:00 – 07:00
37.9dB







