Castlethwaite, Mallerstang, Kirkby Stephen, CA17 4JT
About Castlethwaite
Castlethwaite is a property in Mallerstang, Kirkby Stephen, Kirkby Stephen (CA17 4JT).
Untraded for 29 years, with the last transfer in July 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. 4 planning records sit against the property, 3 approved, 0 refused.
Know exactly what you're buying at Castlethwaite
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
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
- Nov 2016FullIn report
Installation of 1 no. 15m lattice tower structure supporting 2 no. antennas and 2 no. transmission dishes. The mast will be sited within a permanent enclosure surrounded by a 1.5m high dry stone wall, housing 3 no. equipment cabinets, 1 no. permanent generator and further ancillary equipment.
- Council
- Eden
- Reference
- S/2016/564
- Jul 2016FullIn report
Installation of 1 no. 15m lattice tower structure supporting 2 no. antennas and 2 no. transmission dishes. The mast will be sited within a permanent enclosure surrounded by a 2m rylok fence, housing 3 no. equipment cabinets and further ancillary equipment.
- Reference
- 16/0564
We flagged 1 thing worth checking at Castlethwaite
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
Castlethwaite has been held in the same hands since before 2000.
£81,500
Recorded with HM Land Registry.
Sales timeline
22 July 1997Most recent
£81,500
Median price across the last 5 sales in CA17 4JT: £380,000 (2025–2021).
Nearby sales in CA17 4JT
2 Castle Cottages, Mallerstang, Kirkby Stephen, CA17 4JT
Sold Aug 2025
£306,000Cocklake House, Mallerstang, Kirkby Stephen, CA17 4JT
Sold Mar 2023
£740,000Old Vicarage, Mallerstang, Kirkby Stephen, CA17 4JT
Sold Nov 2021
£380,000Southwaite Farm, Mallerstang, Kirkby Stephen, CA17 4JT
Sold Apr 2021
£599,500Hollins, Mallerstang, Kirkby Stephen, CA17 4JT
Sold Oct 2016
£475,000
Everything we know about Castlethwaite, 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

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
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
46.3dB

Night-time· 23:00 – 07:00
39.2dB