18 West Heath Close, Barnet, London, NW3 7NJ
About 18 West Heath Close
18 West Heath Close is a seven-bedroom detached house in Barnet, London, London (NW3 7NJ). It has a recorded floor area of 326 m² (around 3509 sq ft), construction records dating it to 1930-1949 and council tax band H. There is a swimming pool on the plot, uncommon for the area. The latest certificate (June 2022) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2012); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77).
4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a loft conversion and a porch, meaningful when judging how the property has evolved. Across 2013–2022, sale prices on this property compounded at 1.7% per year. Today's modelled estimate of £5,448,000 is 21.1% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£1,282/sq ft) was about 37.1% above the typical sold price in the postcode. Last sale on file: £4,500,000 in September 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 7 bedrooms is on the larger side for this postcode, where 6 is the typical count.
Know exactly what you're buying at 18 West Heath Close
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
- Bedrooms7
- Bathrooms5
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
- Swimming poolYes
Energy performance
18 West Heath Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Nov 2011ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension, including internal alterations.
- Agent
- Wilkingson King Architects
- Documents
- 4 docs on file
- Reference
- F/02400/11
- Mar 2011FullIn report
Extension of time limit of planning permission (C04628E/08) dated (5th March 2010).
- Agent
- Mr David Garratt
- Documents
- 3 docs on file
- Reference
- F/00082/11
We flagged 1 thing worth checking at 18 West Heath Close
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£5,448,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.7% per year over 9 years.
£4,500,000
Growth on file: 1.7% per year over 9 years.
Sales timeline
29 September 2022Most recent
£4,500,000
+16.9%over 9 years27 June 2013
£3,850,000
Median price across the last 5 sales in NW3 7NJ: £4,250,000 (2025–2019).
Nearby sales in NW3 7NJ
2 West Heath Close, Barnet, London, NW3 7NJ
Sold May 2025
£5,750,00017 West Heath Close, Barnet, London, NW3 7NJ
Sold Sept 2023
£4,925,00021 West Heath Close, Barnet, London, NW3 7NJ
Sold Mar 2022
£3,500,00013 West Heath Close, Barnet, London, NW3 7NJ
Sold Feb 2020
£2,950,0009 West Heath Close, Barnet, London, NW3 7NJ
Sold Jun 2019
£4,250,000
Everything we know about 18 West Heath Close, 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 West Heath Close homes
18 West Heath Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£13,804
Street avg £11,035
Floor Area
326 m²
Street avg 371 m²
Habitable Rooms
12 rooms
Street avg 9 rooms
CO₂ Emissions
10.1 t/year
Street avg 12.6 t/year
Similar properties nearby
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1 Parfitt Close, Camden
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1 Elm Walk, Barnet
NW3 7UP
1 Frognal Lane, Camden
NW3 7DY
1 Eden Close, Barnet
NW3 7UL
1 Birchwood Drive, Camden
NW3 7NB
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Childs Hill / Cricklewood Lane — bus stop.
Closest school
0.4 km
St Luke's Church of England School. 47 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
51.6dB

Night-time· 23:00 – 07:00
42.1dB