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Get started21 Harmsworth Way, Barnet, London, N20 8JT
12 planning records
About 21 Harmsworth Way
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Harmsworth Way is a five-bedroom detached house in Barnet, London, London (N20 8JT). It has a recorded floor area of 370 m² (around 3983 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (March 2025) shows a C (score 72). When first surveyed in May 2010 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Good, hot-water efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 81).
Held since November 2010 — that's 16 years off the open market, well above the local norm. Today's modelled estimate of £2,971,000 sits 324.4% above the 2010 sale of £700,000. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 73.7% below the postcode norm. 12 planning records sit against the property, 3 approved, 3 refused. Past consents include an extension, a porch and a loft conversion, meaningful when judging how the property has evolved. At 370 m² it's 26.7% larger than the typical home in the postcode (292 m² median across 8 EPCs).
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms5
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Harmsworth Way's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Mar 2025
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
10.0 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 21 Harmsworth Way, Barnet, London, N20 8JT, sourced from the PlanIt planning register.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Jan 2023Tree WorksTreesTrees: 6 Weeks Expired
1 x Mature Weeping Willow (applicants ref. T1) - Previously maintained at around 7 meters, reduce tree back to previous points.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Harmsworth Way's modelled value sits at over four times its earliest registered sale price (2010).
Current estimate
See how we calculated this£2,971,000
Modelled from EPC, postcode comparables.
Last sold (2010)
£700,000
Recorded with HM Land Registry.
Sales timeline
Versus other Harmsworth Way homes
Four headline reads against 8 similar houses on this street, drawn from the latest EPC and Land Registry data.
Price per m² for 21 Harmsworth Way lags the street by a wide margin.
Price per m²
£1,892
Street avg £7,831
Floor Area
370 m²
Street avg 299 m²
Habitable Rooms
10 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Totteridge Green — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around N20 8JT from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
46.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 65 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Harmsworth Way, Barnet, London, N20 8JT. Each answer is also embedded as structured data for search engines.