1 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
About 1 Mill Brow
1 Mill Brow is a five-bedroom detached house in Armathwaite, Carlisle, Carlisle (CA4 9PJ). It has a recorded floor area of 231 m² (around 2486 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (February 2026) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2016. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 55). Main heating runs on lpg. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include outbuildings.
At 231 m² the property is well over the postcode median (129 m² across 16 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 1999–2016, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £570,000 sits 75.4% above the 2016 sale of £325,000. One planning record on file: an extension approved in 2020. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. On the market in May 2016 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms5
- Bathrooms4
Outside
- Private gardenYes
- OutbuildingsYes
Building
- Heating systemLpg
Energy performance
1 Mill Brow's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 6 February 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Solar PV panels (15 kWp) installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, has no mains gas supply, and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
1 application on record at 1 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
- Mar 2020AnnexFullOutcome in report
Garage link and addition of dormer to annex.
Extension- Reference
- 20/0010
Unlock 1 Mill Brow, Armathwaite, Carlisle, CA4 9PJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
1 Mill Brow's estimated value is more than triple its earliest registered sale price (1999).
£570,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 17 years.
£325,000
Growth on file: 4.2% per year over 17 years.
Sales timeline
26 May 2016Most recent
£325,000
+97.0%over 16 years28 October 1999
£165,000
Median price across the last 5 sales in CA4 9PJ: £266,000 (2025–2017).
Nearby sales in CA4 9PJ
17 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
Sold May 2025
£266,0006 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
Sold Jul 2023
£390,00027 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
Sold Sept 2020
£285,00024 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
Sold Nov 2017
£198,00025 Mill Brow, Armathwaite, Carlisle, CA4 9PJ
Sold Nov 2017
£198,500
Versus other Mill Brow homes
On habitable rooms, 1 Mill Brow stands well clear of the street.
Price per m²
£1,407
Street avg £1,483
Floor Area
231 m²
Street avg 152 m²
Habitable Rooms
9 rooms
Street avg 6 rooms
CO₂ Emissions
7.3 t/year
Street avg 5.3 t/year
Similar properties nearby
1 Broomrigg Crescent, Ainstable
CA4 9QH
1 Pennine View, Armathwaite
CA4 9PN
1 Maple Gardens, Armathwaite
CA4 9PS
10 Curlew Close, Armathwaite
CA4 9AQ
1 Station Cottages, Armathwaite
CA4 9PW
1 Low House Farm Cottages, Armathwaite
CA4 9ST
1 Curlew Close, Armathwaite
CA4 9AQ
1 Brackenrigg, Armathwaite
CA4 9PX
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
23/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Armathwaite Rail Station — railway station.
Closest school
0.7 km
Armathwaite School. 1 school 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
44.4dB

Night-time· 23:00 – 07:00
36.0dB







