Aviation Drive Colindale, Barnet
139 addresses across 6 postcodes (NW9), about 170 m long. USRN 20001965.
- Sales: 7 recorded sales since 1995; in 2024 the median was £330,000 across 1 sale.
- Energy: 89 homes have an energy certificate (B: 59, C: 29, D: 1).
- Flood: No address on its postcodes is in an area at high or medium risk of flooding from rivers, the sea or surface water.
- Council tax: Most homes around it are in council tax band D; Band D in Barnet costs £2,133 a year in 2026-27.
- Broadband: Gigabit broadband is available to 0% to 100% of premises.
- Transport: The nearest railway station is Hendon, about 1.8 km (1.1 miles) away in a straight line.
- Green space: There is a small park or garden about 100 m away, and Sunnyhill Park (22 hectares) is about 410 m (0.3 miles) away.
- Air: Background air pollution in 2024 was 16.7 µg/m³ of nitrogen dioxide and 8.8 of PM2.5, within UK legal limits.
- Height: Its addresses are 48 to 51 m above sea level.
- Noise: 96 of its 139 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is The Everglade Medical Practice, about 650 m (0.4 miles) away, with 5 practices within 1.6 km (1 mile).
- People: About 1,160 people lived in the census areas around it in 2021; 8% of households owned their home and 52% of adults held a degree or other higher qualification.
- Crime: 574 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2024 | 1 | £330,000 | £330,000 | £330,000 |
| 2022 | 1 | £435,000 | £435,000 | £435,000 |
| 2018 | 1 | £102,000 | £102,000 | £102,000 |
| 2017 | 1 | £365,000 | £365,000 | £365,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 3 Jun 2026 | FLAT 19, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £197,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 3 Jun 2026 | FLAT 19, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £160,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 29 Feb 2024 | FLAT 21, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £330,000 | Leasehold. |
| 7 Jan 2022 | FLAT 4, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £435,000 | Leasehold. |
| 23 May 2018 | FLAT 16, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £102,000 | Leasehold. |
| 30 Jun 2017 | FLAT 15, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £365,000 | Leasehold. |
| 31 Oct 2016 | FLAT 15, GRIFFIN HOUSE, 4 NW9 5YQ | Flat or maisonette | £400,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
Energy performance certificates
89 homes with a current certificate; median floor area 63 m². Most common: Flat (89). Built: 2010 (71); 2007-2011 (14); 2003-2006 (2). Tenure at assessment: owner-occupied (8); rented (social) (7); rented (private) (3).
Each home's certificates and sales (74 addresses)
- 25 Gilmour House, 6 Aviation Drive
- 26 Gilmour House, 6 Aviation Drive
- 27 Gilmour House, 6 Aviation Drive
- 29 Gilmour House, 6 Aviation Drive
- 30 Gilmour House, 6 Aviation Drive
- 31 Gilmour House, 6 Aviation Drive
- 32 Gilmour House, 6 Aviation Drive
- 33 Gilmour House, 6 Aviation Drive
- 34 Gilmour House, 6 Aviation Drive
- 35 Gilmour House, 6 Aviation Drive
- 36 Gilmour House, 6 Aviation Drive
- 37 Gilmour House, 6 Aviation Drive
- 38 Gilmour House, 6 Aviation Drive
- 39 Gilmour House, 6 Aviation Drive
- 40 Gilmour House, 6 Aviation Drive
- 41 Gilmour House, 6 Aviation Drive
- Flat 1 Gilmour House, 6, Aviation Drive
- Flat 1 Griffin House, 4, Aviation Drive
- Flat 1 Gull House, 2, Aviation Drive
- Flat 2 Gilmour House, 6, Aviation Drive
- Flat 2 Griffin House, 4, Aviation Drive
- Flat 2 Gull House, 2, Aviation Drive
- Flat 3 Gilmour House, 6, Aviation Drive
- Flat 3 Griffin House, 4, Aviation Drive
- Flat 3 Gull House, 2, Aviation Drive
- Flat 4 Gilmour House, 6, Aviation Drive
- Flat 4 Gull House, 2, Aviation Drive
- Flat 5 Gilmour House, 6, Aviation Drive
- Flat 5 Griffin House, 4, Aviation Drive
- Flat 5 Gull House, 2, Aviation Drive
- Flat 6 Gull House, 2, Aviation Drive
- Flat 7 Gilmour House, 6, Aviation Drive
- Flat 7 Griffin House, 4, Aviation Drive
- Flat 7 Gull House, 2, Aviation Drive
- Flat 8 Griffin House, 4, Aviation Drive
- Flat 9 Gilmour House, 6, Aviation Drive
- Flat 9 Griffin House, 4, Aviation Drive
- Flat 9 Gull House, 2, Aviation Drive
- Flat 10 Gilmour House, 6, Aviation Drive
- Flat 10 Griffin House, 4, Aviation Drive
- Flat 10 Gull House, 2, Aviation Drive
- Flat 11 Gilmour House, 6, Aviation Drive
- Flat 11 Gull House, 2, Aviation Drive
- Flat 12 Gilmour House, 6, Aviation Drive
- Flat 13 Gilmour House, 6, Aviation Drive
- Flat 13 Griffin House, 4, Aviation Drive
- Flat 13 Gull House, 2, Aviation Drive
- Flat 14 Gilmour House, 6, Aviation Drive
- Flat 14 Griffin House, 4, Aviation Drive
- Flat 14 Gull House, 2, Aviation Drive
- Flat 15 Gilmour House, 6, Aviation Drive
- Flat 15 Gull House, 2, Aviation Drive
- Flat 16 Gilmour House, 6, Aviation Drive
- Flat 16 Griffin House, 4, Aviation Drive
- Flat 16 Gull House, 2, Aviation Drive
- Flat 17 Gilmour House, 6, Aviation Drive
- Flat 17 Griffin House, 4, Aviation Drive
- Flat 18 Gilmour House, 6, Aviation Drive
- Flat 18 Griffin House, 4, Aviation Drive
- Flat 18 Gull House, 2, Aviation Drive
- Flat 19 Gilmour House, 6, Aviation Drive
- Flat 19 Gull House, 2, Aviation Drive
- Flat 20 Gilmour House, 6, Aviation Drive
- Flat 20 Griffin House, 4, Aviation Drive
- Flat 20 Gull House, 2, Aviation Drive
- Flat 21 Gilmour House, 6, Aviation Drive
- Flat 21 Gull House, 2, Aviation Drive
- Flat 22 Gilmour House, 6, Aviation Drive
- Flat 22 Gull House, 2, Aviation Drive
- Flat 23 Gilmour House, 6, Aviation Drive
- Flat 23 Griffin House, 4, Aviation Drive
- Flat 23 Gull House, 2, Aviation Drive
- Flat 24 Gilmour House, 6, Aviation Drive
- Flat 24 Gull House, 2, Aviation Drive
Council tax
What each band costs in Barnet in 2026-27: Band D £2,133 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,422 | £1,659 | £1,896 | £2,133 | £2,607 | £3,080 | £3,554 | £4,265 |
Homes by band in the neighbourhoods around this street: most are in band D (39% of about 2,570 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: 1.
- Article 4 direction (removing permitted development rights): Article 4 Small Houses in Multiple Occupation (HMO) Area 1.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Listed buildings
- FORMER CONTROL TOWER, WATCH OFFICE, AIRCRAFT FACTORY AND FACTORY OFFICE BLOCK AT HENDON AERODROME, grade II
Brownfield land registered for housing within 1 km (0.6 miles)
- Former Raf East Camp Site, Aerodrome Road, Grahame Park Way, London NW9, permissioned (130 m)
- Blocks C5 To C12, Beaufort Park (Land At Former Raf East Camp Site), Aerodrome Road/ Grahame Park Way, Hendon, London, permissioned (200 m)
- Blocks C5 To C12, Beaufort Park (Land At Former Raf East Camp Site), Aerodrome Road/ Grahame Park Way, Hendon, London, NW9, permissioned (200 m)
- Former Raf East Camp Site, Aerodrome Road, Grahame Park Way, London NW9, permissioned (210 m)
- Site Office Beaufort Park Aerodrome Road London NW9 5JJ: up to 343 homes, permissioned (230 m)
- C7-C8A Beaufort Park, Land At Former RAF East Camp, Aerodrome Road/ Grahame Parkway, Hendon, London, NW9, permissioned (230 m)
- C7-C8A Beaufort Park, Land At Former RAF East Camp, Aerodrome Road/ Grahame Parkway, Hendon, London, permissioned (230 m)
- Buildings D1 & D2 Beaufort Park Aerodrome Road Colindale NW9: up to 142 homes, permissioned (240 m)
Roadworks
No street works under way, planned or finished in the last three months on this street, in permits up to 31 October 2026.
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 0 addresses are in areas at high risk, 0 at medium risk and 1 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre on this street is in flood zone 2 or 3.
| Postcode | Planning zone | Addresses at high / medium / low risk | Groundwater |
|---|---|---|---|
| NW9 4FS | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NW9 5XX | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NW9 5ZA | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NW9 5YQ | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NW9 5TZ | not in 2 or 3 | 0 / 0 / 1 | unlikely |
| NW9 5LW | not in 2 or 3 |
Height above sea level
The street's 139 addresses are between 48 m and 51 m above sea level (51 m on average).
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| NW9 4FS | 100% | 0% | 0% | 0% |
| NW9 5LW | 100% | 0% | 0% | 0% |
| NW9 5TZ | 100% | 0% | 0% | 0% |
| NW9 5XX | 100% | 100% | 100% | 0% |
| NW9 5YQ | 100% | 100% | 100% | 0% |
| NW9 5ZA | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Hendon 1.0 million journeys in 2024–25 | 1.8 km (1.1 miles) |
| Mill Hill Broadway 1.9 million journeys in 2024–25 | 2 km (1.2 miles) | |
| Brent Cross West 675,000 journeys in 2024–25 | 3.3 km (2 miles) | |
| Underground, metro or tram | Colindale Underground Station | 750 m (0.5 miles) |
| Hendon Central Underground Station | 1.7 km (1.1 miles) | |
| Burnt Oak Underground Station | 1.9 km (1.2 miles) | |
| Bus stops | 8 stops within 400 m (0.2 miles), 29 within 800 m (0.5 miles); nearest Royal Air Force Museum Colindale | 180 m |
| Bus or coach station | Finchley Road Underground Station | 6.9 km (4.3 miles) |
| Ferry terminal | London Zoo Waterbus Stop Regents Park | 8.7 km (5.4 miles) |
| Car parks | 1 within 800 m (0.5 miles); nearest The Draper Car Park | 280 m |
| EV charging points | 8 within 1.6 km (1 mile); nearest bp pulse Charging Station | 1 km (0.6 miles) |
| Airport with scheduled flights | London Heathrow Airport LHR | 20.7 km (13 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 5 practices within 1.6 km (1 mile); nearest The Everglade Medical Practice | 650 m (0.4 miles) |
| Pharmacies | 6 pharmacies within 1.6 km (1 mile); nearest Mcparland Ha LTD | 370 m |
| NHS dentists | 8 practices within 1.6 km (1 mile); nearest Oris Dental Centre | 150 m |
| Hospital | UCLH Outreach: Bmi The Garden Hospital | 1.1 km (0.7 miles) |
| Police station | Colindale Police Station | 150 m |
| Cash machines | ATM | 1.1 km (0.7 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 5 within 800 m (0.5 miles); nearest Unnamed 4,820 m² | 100 m |
| Largest park within 800 m (0.5 miles) | Sunnyhill Park 22 ha | 410 m (0.3 miles) |
| Play area | 9 within 800 m (0.5 miles); nearest Unnamed 550 m² | 30 m |
| Playing field | 1 within 800 m (0.5 miles); nearest Colindale Park 1.2 ha | 660 m (0.4 miles) |
| Allotments | Booth Road Allotment Gardens 2.6 ha | 840 m (0.5 miles) |
Within 800 m (0.5 miles): 5 parks and gardens, 32 hectares in all.
Landmarks
The nearest historic landmark is Church Farmhouse Museum, a listed building (Grade II*), 1 km (0.6 miles) south-east. 18 listed buildings are within 1 km (0.6 miles), 2 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Church Farmhouse Museum | Listed building, Grade II* | 1 km (0.6 miles) south-east |
| Parish Church of St Mary | Listed building, Grade II* | 1 km (0.6 miles) south-east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Hendon Grove | Wood | 1.1 km (0.7 miles) south-east |
| Featherstone Hill | Hill | 1.8 km (1.1 miles) north |
| The Decoy | Lake or reservoir | 2.3 km (1.4 miles) south-east |
| Drivers Hill | Hill | 2.5 km (1.6 miles) north |
| Sheepwash Pond | Lake or reservoir | 2.8 km (1.7 miles) north |
| Holcombe Dale | Valley | 3.3 km (2 miles) north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 16.7 | 40 | 10 |
| Fine particles (PM2.5) | 8.8 | 20 | 5 |
| Particles (PM10) | 15.2 | 40 | 15 |
All three are within the UK legal limits; all three are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 96 | 0 |
| Under 55 | 43 | 139 |
96 of the street's 139 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Barnet: see them on the Barnet page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| St James' Catholic High School Roman Catholic | Secondary | 11–18 | 480 m (0.3 miles) | Report card (Apr 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Post-16 provision: Expected standard; Safeguarding standards: Met |
| Blessed Dominic Catholic Primary School Roman Catholic | Primary | 3–11 | 490 m (0.3 miles) | No published inspection |
| Saracens High School | Secondary | 11–18 | 680 m (0.4 miles) | Good (May 2022, overall grade under the previous framework) |
| Sunnyfields Primary School | Primary | 3–11 | 800 m (0.5 miles) | Report card (Jul 2026): Curriculum and teaching: Strong standard; Achievement: Strong standard; Attendance and behaviour: Exceptional; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Strong standard; Early years: Strong standard; Safeguarding standards: Met |
| Hasmonean High School for Girls Jewish | Secondary | 11–18 | 880 m (0.5 miles) | Good (Sep 2023, overall grade under the previous framework) |
| Colindale Primary School | Primary | 2–11 | 1 km (0.6 miles) | No published inspection |
| St Mary's and St John's CofE School Church of England | All-through | 3–18 | 1.1 km (0.7 miles) | Good (Feb 2024, overall grade under the previous framework) |
| St Joseph's Catholic Primary School Roman Catholic | Primary | 3–11 | 1.2 km (0.7 miles) | Report card (Jan 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
| Beis Yaakov Primary School Jewish | Primary | 3–11 | 1.4 km (0.9 miles) | No published inspection |
| The Orion Primary School | Primary | 2–11 | 1.4 km (0.9 miles) | Outstanding (Apr 2024, overall grade under the previous framework) |
| Copthall School | Secondary | 11–18 | 1.4 km (0.9 miles) | No published inspection |
| Goldbeaters Primary School | Primary | 3–11 | 1.5 km (0.9 miles) | No published inspection |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Beaufort Fresh NW9 4BP | Retailers - other | 130 m | 5 Very good | 24 Nov 2022 |
| Beaufort Park Nursery NW9 5FW | Hospitals/Childcare/Caring Premises | 210 m | 5 Very good | 27 Feb 2026 |
| Moes Peri Peri NW9 5FW | Restaurant/Cafe/Canteen | 210 m | 5 Very good | 10 Jan 2026 |
| The Beaufort NW9 5AA | Pub/bar/nightclub | 250 m | 4 Good | 3 Nov 2025 |
| Tesco Express NW9 5AA | Retailers - other | 250 m | 5 Very good | 20 Jul 2026 |
| Conveni Tokyo NW9 5WT | Retailers - other | 260 m | 4 Good | 1 Apr 2026 |
| Dear Coco @ The Draper NW9 5LW | Restaurant/Cafe/Canteen | 260 m | 5 Very good | 23 Jul 2026 |
| Cosy Corner NW9 5EN | Restaurant/Cafe/Canteen | 270 m | 3 Generally satisfactory | 23 Jul 2026 |
| Restaurant Associates @RAF Hendon NW9 5LL | Restaurant/Cafe/Canteen | 270 m | 5 Very good | 22 May 2026 |
| SAAG NW9 5EW | Restaurant/Cafe/Canteen | 280 m | 3 Generally satisfactory | 23 Sep 2025 |
| JM Oriental NW9 5GE | Restaurant/Cafe/Canteen | 300 m | 3 Generally satisfactory | 15 Jul 2026 |
| ITJL NW9 4EW | Restaurant/Cafe/Canteen | 420 m (0.3 miles) | 2 Improvement necessary | 19 Jan 2026 |
| Own Care Limited NW4 4TJ | Hospitals/Childcare/Caring Premises | 420 m (0.3 miles) | 5 Very good | 17 Jun 2026 |
| Laboratory Spa & Health Club NW4 4TJ | Pub/bar/nightclub | 450 m (0.3 miles) | 3 Generally satisfactory | 12 Mar 2026 |
| Sunny Hill Park Cafe NW4 4XA | Restaurant/Cafe/Canteen | 450 m (0.3 miles) | 5 Very good | 15 May 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 209 |
| Anti-social behaviour | 70 |
| Public order | 67 |
| Burglary | 57 |
| Other theft | 50 |
| Drugs | 41 |
| Vehicle crime | 26 |
| Criminal damage and arson | 24 |
| Theft from the person | 9 |
| Possession of weapons | 8 |
| Other crime | 7 |
| Robbery | 3 |
| Bicycle theft | 3 |
Most of these are attached to: On or near Police Station (265); On or near Boulevard Drive (78); On or near Beaufort Square (68); On or near East Drive (64); On or near Commander Avenue (57).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 30 | 40 |
| Children under 15 | 24% | 17% |
| Aged 65 and over | 2% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 8% | 61% |
| Owned outright | 3% | 33% |
| Shared ownership | 5% | 1% |
| Social rented | 40% | 17% |
| Private rented | 48% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 64% | 57% |
| Unemployment (of those working or looking for work) | 10% | 6% |
| Retired (of adults) | 2% | 22% |
| Long-term sick or disabled (of adults) | 6% | 4% |
| Work mainly from home (of those in work) | 41% | 32% |
| Travel to work by car or van | 15% | 48% |
| By train, Underground, metro or tram | 22% | 4% |
| By any public transport, including bus | 35% | 8% |
| On foot or by bicycle | 7% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 56% | 65% |
| Work 30 km (19 miles) or more away | 2% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 52% | 34% |
| No qualifications | 14% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 64% | 91% |
| Cannot speak English well or at all | 7% | 2% |
Deprivation
The 3 neighbourhoods around this street are in deciles 4 to 8 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
What has changed
Nothing new since the change feed started on 30 October 2026. New sales and energy certificates, and hygiene ratings, school inspections and flood figures nearby, will be listed here as the sources update.
Postcodes on this street
- NW9 4FS: 42 addresses of 96 in the postcode
- NW9 5XX: 42 addresses of 43 in the postcode
- NW9 5ZA: 27 addresses
- NW9 5YQ: 25 addresses
- NW9 5TZ: 2 addresses of 4 in the postcode
- NW9 5LW: 1 address of 5 in the postcode
Nearby streets
Further Acre · Beaufort Square · Boulevard Drive · Runway Close · Caversham Road · Commander Avenue · Heritage Avenue · M1 · M1 · East Drive · Great Strand · Lower Strand
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.