21 Castlehythe, Ely, CB7 4BU
About 21 Castlehythe
21 Castlehythe is a four-bedroom detached house in Ely (CB7 4BU). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to before 1900 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a self-contained annexe and outbuildings. Period features are noted in the property record. The latest certificate (November 2018) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump.
At 187 m² the property is well over the postcode median (118 m² across 5 EPCs), placing it in the larger end of the local stock. 9 planning records sit against the property, 3 approved, 2 refused, 1 pending. Past consents include an extension and new windows, meaningful when judging how the property has evolved. An application is currently awaiting a decision. Across 1997–2019, sale prices on this property compounded at 8% per year. On a £-per-square-foot basis, the last sale (£432/sq ft) was about 72.8% above the typical sold price in the postcode. Most recent transfer: July 2019 at £870,000.
Know exactly what you're buying at 21 Castlehythe
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
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- ParkingOff road
- OutbuildingsYes
Building
- Listed buildingYes
- Period featuresYes
Energy performance
21 Castlehythe's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
There is a planning application currently awaiting a decision.
- Feb 2026ConditionsIn report
To vary condition 1 (Approved plans) of previously approved 25/00973/FUL for extension to existing outbuilding
- Documents
- 8 docs on file
- Reference
- 26/00203/VAR
- Nov 2025ExtensionFullIn report
Extension to existing outbuilding
- Documents
- 21 docs on file
- Reference
- 25/00973/FUL
We flagged 1 thing worth checking at 21 Castlehythe
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
30-day money-back guarantee
Sales history & valuation
Latest sale on 21 Castlehythe was the highest on Land Registry record across the postcode.
£951,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 22 years.
£870,000
Growth on file: 8.0% per year over 22 years.
Sales timeline
28 July 2019Most recent
£870,000
+59.0%over 11 years6 July 2008
£547,000
+247.3%over 11 years28 May 1997
£157,500
Median price across the last 5 sales in CB7 4BU: £480,000 (2022–2014).
Everything we know about 21 Castlehythe, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Castlehythe homes
21 Castlehythe outperforms the street on price per m² by a wide margin.
Price per m²
£4,652
Street avg £3,388
Floor Area
187 m²
Street avg 135 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 7.4 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Ely Rail Station — railway station.
Closest school
1.4 km
Ely St John's Community Primary School. 6 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
47.5dB
Night-time· 23:00 – 07:00
37.8dB