66 Monks Avenue, Barnet, EN5 1DD
About 66 Monks Avenue
66 Monks Avenue is a four-bedroom semi-detached house in Barnet (EN5 1DD). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (June 2021) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£632/sq ft) was about 182.5% above the typical sold price in the postcode. Most recent transfer: September 2021 at £885,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 66 Monks Avenue
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
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- Aug 2022Garage ConversionAmendmentIn report
Non-material amendments to planning permission reference 22/0003/HSE dated 01/03/22 for 'Single storey rear extension and part single part two storey rear/side extension with rooflight, Conversion of garage into a habitable room and replacement of garage door with a bay window to front.' Amendments include replacement of pebbledash with smooth render to front bay window and side and rear elevations
Extension- Documents
- 3 docs on file
- Reference
- 22/4030/NMA
- Aug 2022Garage ConversionAmendmentIn report
Non-material amendments to planning permission reference 22/0003/HSE dated 01/03/22 for 'Single storey rear extension and part single part two storey rear/side extension with rooflight, Conversion of garage into a habitable room and replacement of garage door with a bay window to front.' Amendments include replacement of pebbledash with smooth render to front bay window and side and rear elevations
Extension- Documents
- 3 docs on file
- Reference
- 22/4030/FUL
We flagged 1 thing worth checking at 66 Monks Avenue
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 66 Monks Avenue was the highest on Land Registry record across the postcode.
£957,000
Modelled from EPC, postcode comparables.
£885,000
Recorded with HM Land Registry.
Sales timeline
28 September 2021Most recent
£885,000
Median price across the last 5 sales in EN5 1DD: £775,000 (2024–2018).
Everything we know about 66 Monks Avenue, 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 Monks Avenue homes
66 Monks Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£6,808
Street avg £3,774
Floor Area
130 m²
Street avg 156 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
5.7 t/year
Street avg 6.8 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Lyonsdown Avenue — bus stop.
Closest school
0.9 km
St Mary's CofE Primary School, East Barnet. 36 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
51.5dB

Night-time· 23:00 – 07:00
41.7dB