11 Castle Grove, Newbury, RG14 1PS
About 11 Castle Grove
11 Castle Grove is a four-bedroom detached house in Newbury (RG14 1PS). It has a recorded floor area of 115 m² (around 1235 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (March 2009) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from March 2009, so improvements made since then won't be reflected.
Held since November 2006 — that's 20 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £560,000 sits 52.1% above the 2006 sale of £368,229. On a £-per-square-foot basis, the last sale (£298/sq ft) was about 21.3% above the typical sold price in the postcode. 6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved.
Know exactly what you're buying at 11 Castle Grove
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
Energy performance
11 Castle Grove sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Mar 2019
EPC Rating
Planning history
11 Castle Grove has been through 4 approved planning applications — a well-evolved property.
- May 2018ExtensionAmendmentIn report
Non-material amendment to planning permission 16/03639/HOUSE. (AMENDMENT): Cladding to front exterior on side extension, front exterior on porch, rear exterior cladding to be added on top half of original building above single extension.
- Documents
- 4 docs on file
- Reference
- 18/00834/NONMAT
- Jul 2017PorchAmendmentIn report
Non-material amendment to planning permission 16/03639/HOUSE: Proposed two storey side extension, single storey rear extension, front porch, detached garage and new drive. (AMENDMENTS): Changes to fenestration and addition of two velux windows to first floor master suite.
Extension- Documents
- 4 docs on file
- Reference
- 17/01756/NONMAT
We flagged 2 things worth checking at 11 Castle Grove
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
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Sales history & valuation
11 Castle Grove valuation sits well clear of the typical sold price in this postcode.
£560,000
Modelled from EPC, postcode comparables.
£368,229
Recorded with HM Land Registry.
Sales timeline
21 November 2006Most recent
£368,229
Median price across the last 5 sales in RG14 1PS: £435,000 (2021–2002).
Everything we know about 11 Castle Grove, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Castle Grove homes
Years Held for 11 Castle Grove runs comfortably ahead of the street norm.
Price per m²
£3,209
Street avg £3,298
Floor Area
115 m²
Street avg 144 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
7.2 t/year
Street avg 5.4 t/year
Similar properties nearby
1 Brummell Road
RG14 1SH
1 Chaucer Crescent
RG14 1TP
1 Castle Grove
RG14 1PS
1 Cherry Close
RG14 1LS
1 Coster Close, Speen
RG14 1UR
1 Cleveland Grove
RG14 1XF
1 Chestnut Crescent
RG14 1LG
1 Amberley Close
RG14 1PZ
The neighbourhood at a glance
Crime
12/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Donnington Square — bus stop.
Closest school
0.4 km
Speenhamland School. 14 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
52.6dB

Night-time· 23:00 – 07:00
43.3dB