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St Marys Avenue, London

MyStreetCheck free street report: St Marys Avenue, London · 31 October 2026 · www.mystreetcheck.co.uk/london-greater-london/st-marys-avenue/

House prices, sold prices and local information for N3 1SN, N3 1US, N3 1SW.

Average price (last 12 months)
£867,500
2 sales
Average price (since 2016)
£859,221
19 sales
Price range
£385k – £1.38m
lowest to highest sale
Last sale
19 Dec 2025
N3 1SN

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At a glance

19 property sales on St Marys Avenue, London have been recorded by HM Land Registry since 2016. In the last 12 months 2 homes sold here for an average of £867,500. Most sales here are semi-detached homes, which have sold for an average of £1,046,875. Average sale prices fell from £934,050 in 2016 to £867,500 in 2025 (-7%), though averages on a single street can swing with the mix of homes sold. That is 15% above the London average of £755,818 over the same period. 5 homes here have sold more than once since 2016; 4 of them sold for more the second time. By property type, sales here have been 42% semi-detached, 42% flat, 16% detached. Recorded sale prices on St Marys Avenue range from £385,000 to £1,375,000. 62% of homes sold here were freehold and 38% leasehold.

House prices on St Marys Avenue compared

St Marys Avenue£867,500
N3 postcode area£766,838
London£755,818
England & Wales£358,701

Average sale price over the last 12 months. See all N3 house prices.

Average sale price by year

2016: £934,050 (4 sales)2016£934k2017: £757,500 (2 sales)2017£758k2018: £1,375,000 (1 sales)2018£1.38m2019: £1,000,000 (2 sales)2019£1m2020: £965,000 (1 sales)2020£965k2021: £628,500 (4 sales)2021£629k2023: £1,185,000 (1 sales)2023£1.19m2024: £650,000 (2 sales)2024£650k2025: £867,500 (2 sales)2025£868k

Tenure: 62% freehold and 38% leasehold across 21 recorded sales. Lease extension calculator.

Prices by property type

TypeSalesAverage priceLast sold
Semi-detached8£1,046,87519 Dec 2025
Flat8£533,77520 Nov 2025
Detached3£1,226,66731 Jan 2018

Sold prices on St Marys Avenue

AddressDatePriceTypeTenure
19, St Marys Avenue N3 1SN 19 Dec 2025£1,350,000 Semi-detachedFreehold
Flat E, 13, St Marys Avenue N3 1SN 20 Nov 2025£385,000 FlatLeasehold
1, St Marys Avenue N3 1SN 22 Nov 2024£22,630 OtherFreehold
Flat 5, Laurel Court, 9, St Marys Avenue N3 1SW 29 Oct 2024£710,000 FlatLeasehold
Flat 2, Golda Court, St Marys Avenue N3 1US 12 Mar 2024£590,000 FlatLeasehold
38, St Marys Avenue N3 1SN 30 Jun 2023£1,185,000 Semi-detachedFreehold
1D, St Marys Avenue N3 1SN 12 Aug 2021£396,000 FlatLeasehold
34, St Marys Avenue N3 1SN 25 Mar 2021£875,000 Semi-detachedFreehold
1, St Marys Avenue N3 1SN 12 Mar 2021£825,000 OtherFreehold
3B, St Marys Avenue N3 1SN 2 Feb 2021£625,000 FlatLeasehold
Flat 6, Golda Court, St Marys Avenue N3 1US 29 Jan 2021£618,000 FlatLeasehold
38, St Marys Avenue N3 1SN 14 Aug 2020£965,000 Semi-detachedFreehold
38, St Marys Avenue N3 1SN 30 Aug 2019£800,000 Semi-detachedFreehold
22A, St Marys Avenue N3 1SN 23 Jul 2019£1,200,000 Semi-detachedFreehold
Heathfield, St Marys Avenue N3 1SN 31 Jan 2018£1,375,000 DetachedFreehold
Flat D, 13, St Marys Avenue N3 1SN 26 Oct 2017£390,000 FlatLeasehold
26, St Marys Avenue N3 1SN 7 Feb 2017£1,125,000 DetachedFreehold
22A, St Marys Avenue N3 1SN 12 Dec 2016£860,000 Semi-detachedFreehold
Heathfield, St Marys Avenue N3 1SN 17 May 2016£1,180,000 DetachedFreehold
3B, St Marys Avenue N3 1SN 12 May 2016£556,200 FlatLeasehold
21, St Marys Avenue N3 1SN 12 Jan 2016£1,140,000 Semi-detachedFreehold

Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.

Sale history: homes sold more than once

AddressSalesChange
1, St Marys Avenue £825,000 (Mar 2021) → £22,630 (Nov 2024) -97%
over 4 yrs
38, St Marys Avenue £800,000 (Aug 2019) → £965,000 (Aug 2020) → £1,185,000 (Jun 2023) +48%
over 4 yrs
3B, St Marys Avenue £556,200 (May 2016) → £625,000 (Feb 2021) +12%
over 5 yrs
22A, St Marys Avenue £860,000 (Dec 2016) → £1,200,000 (Jul 2019) +40%
over 3 yrs
Heathfield, St Marys Avenue £1,180,000 (May 2016) → £1,375,000 (Jan 2018) +17%
over 2 yrs

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Crime and flood risk near St Marys Avenue

Crime

353 crimes were reported within about a mile of St Marys Avenue in August 2026.

Crime level compared with the rest of England (10 = lowest crime):

12345678910

Lower crime than about 70% of neighbourhoods in England, based on recorded crime rates (English Indices of Deprivation 2025).

Anti-social behaviour108
Violence & sexual offences69
Vehicle crime47
Other theft26
Burglary22
Drugs22

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Schools near St Marys Avenue

SchoolTypeAgesOfstedDistance
Finchley and Acton Yochien School 43 pupils Other independent school 2–6 Report 0.1 mi
Pardes House Primary School 359 pupils Primary Jewish 4–11 Report 0.3 mi
Pardes House Grammar School 275 pupils Other independent school 11–16 Report 0.3 mi
Chalgrove Primary School 217 pupils Primary 4–11 Outstanding Report 0.4 mi
St Mary's CofE Primary School 431 pupils Primary Church of England 2–11 Good Report 0.4 mi
Hasmonean High School for Boys 788 pupils Secondary Jewish 11–18 Good Report 0.5 mi
Akiva School 418 pupils Primary Jewish 4–11 Report 0.7 mi
Kisharon School 80 pupils Free schools special 4–19 Good Report 0.7 mi

Source: Department for Education (Get Information about Schools) and Ofsted. Grades are from each school's last graded inspection; newer inspections use report cards without a single overall grade, so check the full report. Distances are straight-line. Check catchment areas with the local council.

Getting around, shops and health

Train, tram & metro stations

  • Hendon station 1.9 mi · 39 min walk
  • Mill Hill Broadway station 2.2 mi · 44 min walk
  • Brent Cross West Station station 2.2 mi · 45 min walk
  • Finchley Central Underground Station 0.5 mi · 11 min walk
  • Mill Hill East Underground Station 0.8 mi · 15 min walk

Nearest bus stops

  • St Mary's Avenue (Stop M) 2 min walk
  • St Mary's Avenue (Stop Q) 3 min walk
  • Arden Road (Stop P) 3 min walk
  • Arden Road (Stop N) 4 min walk

GP surgeries

  • Supreme Medical Centre
    Supreme House, 300 Regents Park Road, London · 0.4 mi
  • The Mountfield Surgery
    55 Mountfield Road, Finchley, London · 0.5 mi
  • Lichfield Grove Surgery
    64 Lichfield Grove, Finchley, London · 0.5 mi
  • Rosemary Surgery
    2 Rosemary Avenue, Finchley, London · 0.9 mi

Supermarkets

  • Morrisons Daily Morrisons Daily Finchley Regents Park Rd · 0.3 mi
  • Tesco Express Tesco Regents Park Road Express · 0.3 mi
  • Little Waitrose Little Waitrose Finchley Central · 0.4 mi
  • Sainsburys Local Sainsburys Finchley Regents Park Road Local · 0.4 mi

Pharmacies

  • Reena Pharmacy · 0.3 mi
  • Gateway Chemist · 0.4 mi
  • Day Lewis Pharmacy · 0.6 mi

Dentists

  • Smiles & More · 0.3 mi
  • The Dental Surgery · 0.4 mi
  • Portner Pittack Dental Practice · 0.5 mi

Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.

Area profile

Deprivation

12345678910

This neighbourhood is in decile 7 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived 10% of areas in England and 10 the least deprived.

Income6 of 10
Employment6 of 10
Education and skills9 of 10
Health and disability10 of 10
Crime8 of 10
Access to housing and services3 of 10
Living environment3 of 10

Each domain ranked in deciles across England (10 = least deprived).

Homes

HereEng & Wales
Owned62.1%62.5%
Private rented33.8%20.3%
Social rented4.1%17.1%
Households875

People

HereEng & Wales
Under 1517.2%17.4%
Aged 15–6457.4%64.1%
Aged 65+25.4%18.6%
Residents1,975

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)67%80%
Gigabit-capable67%80%

Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.

Mobile signal

HereEng & Wales
4G indoors, all 4 networks99%89%
4G indoors, at least 1 network100%100%
4G outdoors, all 4 networks100%99%
Calls indoors, all 4 networks100%92%

Share of homes across Barnet with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.

Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.

Energy ratings and home sizes on St Marys Avenue

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Who lives around St Marys Avenue

Ethnic group

HereBarnet
White65.3%57.7%
Asian, Asian British or Asian Welsh13.9%19.3%
Other ethnic group12.4%9.8%
Black, Black British, Black Welsh, Caribbean or African4.4%7.9%
Mixed or Multiple ethnic groups3.9%5.4%

Religion

HereBarnet
Jewish38.5%14.5%
Christian24.3%36.6%
No religion15.4%20.2%
Not answered9.3%8%
Muslim5.8%12.2%
Hindu4.2%5.7%
Buddhist1.7%1.1%
Other religion0.7%1.3%

Country of birth

HereBarnet
Born in the UK61.2%56.8%
Born outside the UK38.8%43.2%

Highest qualification

HereBarnet
Level 4 qualifications and above57.3%49%
No qualifications13.9%15.4%
Level 3 qualifications9.5%12.5%
Level 2 qualifications7.8%9.9%
Level 1 and entry level qualifications5.6%6.9%
Other qualifications3.3%3.2%
Apprenticeship2.5%3.1%

General health

HereBarnet
Very good health54.3%54.9%
Good health31.3%31%
Fair health10.7%10.1%
Bad health2.6%3%
Very bad health1%1%

Cars or vans per household

HereBarnet
1 car or van in household48.3%45%
No cars or vans in household24.5%29.9%
2 cars or vans in household22.6%19.5%
3 or more cars or vans in household4.6%5.6%

Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.

Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Barnet.

Planning and heritage near St Marys Avenue

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Planning applications near St Marys Avenue

Recent planning applications around St Marys Avenue from the council's planning register. Choose how far to look:

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Council tax here

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