The Triangle, Sidcup

House prices, sold prices and local information for DA15 8LT.

Average price (last 12 months)

–

0 sales

Average price (since 2016)

£253,000

3 sales

Price range

£241k – £260k

lowest to highest sale

Last sale

1 Feb 2021

DA15 8LT

At a glance

House prices£253k averageSince 2016 (few recent sales) CrimeLower than averageLower crime than about 70% of neighbourhoods in England DeprivationLess deprived than mostDecile 10 of 10 (10 = least deprived) Flood riskIn a flood warning areaCheck the GOV.UK long-term risk Nearest station16 min walkSidcup station Schools3 rated Good or betterWithin 1.5 miles Ultrafast broadband100% of homesNational average 80%

3 property sales on The Triangle, Sidcup have been recorded by HM Land Registry since 2016. The most recent sale was on 1 Feb 2021. Most sales here are flat homes, which have sold for an average of £253,000. 1 home here has sold more than once since 2016; 1 of them sold for more the second time.

House prices on The Triangle compared

DA15 postcode area£503,488

Sidcup£472,117

England & Wales£356,718

Average sale price over the last 12 months. The Triangle has had fewer than two sales in that time, so it is left out. See all DA15 house prices.

Average sale price by year

Prices by property type

Type	Sales	Average price	Last sold
Flat	3	£253,000	1 Feb 2021

Sold prices on The Triangle

Address	Date	Price	Type	Tenure
2, The Triangle DA15 8LT	1 Feb 2021	£258,000	Flat	Leasehold
4, The Triangle DA15 8LT	30 Nov 2018	£260,000	Flat	Leasehold
2, The Triangle DA15 8LT	16 Dec 2016	£241,000	Flat	Leasehold

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

Address	Sales	Change
2, The Triangle	£241,000 (Dec 2016) → £258,000 (Feb 2021)	+7% over 4 yrs

Buying on The Triangle?

Crime and flood risk near The Triangle

Crime

144 crimes were reported within about a mile of The Triangle 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).

Violence & sexual offences	45
Anti-social behaviour	40
Vehicle crime	19
Shoplifting	10
Other theft	8
Public order	6

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

Flood risk

The Triangle is in or near 5 Environment Agency flood areas:

River Shuttle at Blackfen, Sidcup, Old Bexley and Crayford Flood warning area
River Cray in St Marys Cray, Sidcup, Bexley and Crayford Flood warning area
Shuttle and Cray Flood alert area
Groundwater flooding in South East London Flood alert area
River Darent from Westerham to Dartford Flood alert area

Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.

Schools near The Triangle

School	Type	Ages	Ofsted	Distance
Marlborough School 92 pupils	Community special school	11–19	Report	0.3 mi
Days Lane Primary School 653 pupils	Primary	3–11	Good Report	0.3 mi
Chatsworth Infant School 210 pupils	Primary	3–7	Good Report	0.4 mi
Sherwood Park Primary School 282 pupils	Primary	3–11	Report	0.4 mi
Our Lady of the Rosary Catholic Primary School 397 pupils	Primary Roman Catholic	3–11	Report	0.5 mi
Blackfen School for Girls 1,324 pupils	Secondary	11–18	Report	0.5 mi
Burnt Oak Junior School 245 pupils	Primary	7–11	Report	0.6 mi
Holy Trinity Lamorbey Church of England School 241 pupils	Primary Church of England	3–11	Good Report	0.6 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 and local GPs

Train stations

Sidcup station 0.8 mi · 16 min walk
Albany Park station 1.2 mi · 24 min walk
Welling station 1.3 mi · 26 min walk

Nearest bus stops

Burnt Oak Lane / The Oval (->W, WELLINGTON AVENUE) 1 min walk
The Oval (Stop L, WELLINGTON AVENUE) 1 min walk
The Oval (Stop S, THE OVAL) 1 min walk
Sherwood Park Avenue Surgery (->E, WELLINGTON AVENUE) 2 min walk

GP surgeries

Ingleton Avenue Surgery
84 Ingleton Avenue, Welling · 0.6 mi
Woodlands Surgery
146 Halfway Street, Sidcup · 0.7 mi
Welling Medical Practice
2 Danson Crescent, Welling · 1.1 mi
The Westwood Surgery
24 Westwood Lane, Welling · 1.2 mi

Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.

Area profile

Deprivation

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This neighbourhood is in decile 10 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.

Income: decile 10 of 10 · Crime: decile 8 of 10.

Homes

	Here	Eng & Wales
Owned	88.8%	62.5%
Private rented	10.1%	20.3%
Social rented	1.1%	17.1%
Households	526

People

	Here	Eng & Wales
Under 15	17.4%	17.4%
Aged 15–64	65.7%	64.1%
Aged 65+	16.9%	18.6%
Residents	1,485

Broadband

	Here	UK
Superfast (30Mbit+)	100%	95%
Ultrafast (300Mbit+)	100%	80%
Gigabit-capable	100%	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.

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.

Nearby streets in DA15

See all streets in Sidcup All streets in DA15