Goodliff Road Grantham, South Kesteven
132 addresses across 10 postcodes (NG31), about 810 m (0.5 miles) long, classed as a local road. USRN 35835725.
- Sales: 136 recorded sales since 1995; in 2026 the median was £270,000 across 1 sale.
- Energy: 92 homes have an energy certificate (C: 35, D: 50, E: 7).
- Flood: 19 addresses on its postcodes are in areas 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 A; Band D in South Kesteven costs £2,260 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Grantham, about 1 km (0.6 miles) away in a straight line.
- Green space: The nearest park or garden is about 610 m (0.4 miles) away.
- Air: Background air pollution in 2024 was 6.8 µg/m³ of nitrogen dioxide and 7.0 of PM2.5, within UK legal limits.
- Height: Its addresses are 69 to 78 m above sea level.
- Noise: 3 of its 132 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Swingbridge Surgery, about 800 m (0.5 miles) away, with 4 practices within 1.6 km (1 mile).
- People: About 1,620 people lived in the census areas around it in 2021; 44% of households owned their home and 16% of adults held a degree or other higher qualification.
- Crime: 103 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 |
|---|---|---|---|---|
| 2026 | 1 | £270,000 | £270,000 | £270,000 |
| 2025 | 7 | £195,000 | £131,000 | £210,000 |
| 2024 | 2 | £192,500 | £175,000 | £210,000 |
| 2023 | 2 | £171,500 | £168,000 | £175,000 |
| 2022 | 1 | £160,000 | £160,000 | £160,000 |
| 2021 | 7 | £137,000 | £122,350 | £172,000 |
| 2020 | 1 | £132,000 | £132,000 | £132,000 |
| 2019 | 1 | £70,000 | £70,000 | £70,000 |
| 2018 | 2 | £140,000 | £125,000 | £155,000 |
| 2017 | 2 | £152,250 | £137,500 | £167,000 |
| 2016 | 3 | £112,000 | £105,000 | £125,000 |
| 2015 | 5 | £116,000 | £105,000 | £120,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 8 May 2026 | 7 NG31 7PG | Semi-detached | £270,000 | |
| 11 Dec 2025 | 53 NG31 7PG | Semi-detached | £189,995 | |
| 24 Oct 2025 | 91 NG31 7PG | Semi-detached | £191,000 | |
| 31 Jul 2025 | 83 NG31 7PG | Semi-detached | £131,000 | |
| 7 May 2025 | 4 NG31 7PQ | Semi-detached | £210,000 | |
| 31 Mar 2025 | 90 NG31 7QB | Semi-detached | £195,000 | |
| 31 Jan 2025 | 28 NG31 7PQ | Semi-detached | £200,000 | |
| 31 Jan 2025 | 96 NG31 7QB | Semi-detached | £200,000 | |
| 29 Nov 2024 | 6 NG31 7PQ | Semi-detached | £210,000 | |
| 14 May 2024 | 65 NG31 7PG | Semi-detached | £175,000 | |
| 31 Jul 2023 | 29 NG31 7PG | Terraced | £175,000 | Leasehold. |
| 3 Mar 2023 | 8 NG31 7PQ | Semi-detached | £168,000 | |
| 18 Nov 2022 | 23 NG31 7PG | Semi-detached | £160,000 | |
| 23 Jun 2022 | 89 NG31 7PG | Semi-detached | £152,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 17 Aug 2021 | 6 NG31 7PQ | Semi-detached | £172,000 | |
| 16 Jun 2021 | 34 NG31 7PQ | Terraced | £122,350 | |
| 25 May 2021 | 53 NG31 7PG | Semi-detached | £131,500 | |
| 5 May 2021 | 36 NG31 7PQ | Terraced | £137,000 | |
| 26 Mar 2021 | 67 NG31 7PG | Semi-detached | £148,000 | |
| 2 Mar 2021 | 30 NG31 7PQ | Semi-detached | £135,000 | |
| 15 Jan 2021 | 80 NG31 7QB | Semi-detached | £137,000 | |
| 18 Nov 2020 | 90 NG31 7QB | Semi-detached | £132,000 | |
| 3 May 2019 | 43 NG31 7PG | Semi-detached | £110,500 | Not a standard sale (repossession, buy-to-let or transfer). |
| 23 Jan 2019 | 36 NG31 7PQ | Terraced | £70,000 | |
| 2 Nov 2018 | 45 NG31 7PG | Semi-detached | £125,000 | |
| 15 Jun 2018 | 20 NG31 7PQ | Semi-detached | £155,000 | |
| 8 Dec 2017 | 7 NG31 7PG | Semi-detached | £167,000 | |
| 17 Nov 2017 | 7 NG31 7PG | Semi-detached | £175,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 21 Jul 2017 | 91 NG31 7PG | Semi-detached | £137,500 | |
| 25 Nov 2016 | 91 NG31 7PG | Semi-detached | £105,000 | |
| 20 Jul 2016 | 25 NG31 7PG | Terraced | £125,000 | |
| 6 Jan 2016 | 73 NG31 7PG | Semi-detached | £112,000 | |
| 25 Nov 2015 | 67 NG31 7PG | Semi-detached | £116,000 | |
| 16 Nov 2015 | 4 NG31 7PQ | Semi-detached | £120,000 | |
| 31 Jul 2015 | 77 NG31 7PG | Semi-detached | £96,500 | Not a standard sale (repossession, buy-to-let or transfer). |
| 1 Jun 2015 | 81 NG31 7PG | Semi-detached | £117,500 | |
| 26 May 2015 | 90 NG31 7QB | Semi-detached | £105,000 | |
| 20 Feb 2015 | 79 NG31 7PG | Semi-detached | £108,000 | |
| 10 Dec 2014 | 65 NG31 7PG | Semi-detached | £105,000 | |
| 10 Oct 2014 | 81 NG31 7PG | Semi-detached | £83,500 | |
| 6 Aug 2014 | 87 NG31 7PG | Semi-detached | £64,500 | |
| 19 Jun 2014 | 20 NG31 7PQ | Semi-detached | £89,995 | |
| 23 May 2014 | 46 NG31 7PQ | Terraced | £89,000 | |
| 13 Dec 2013 | 32 NG31 7PQ | Semi-detached | £100,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 25 Nov 2013 | 89 NG31 7PG | Semi-detached | £99,000 | |
| 18 Sep 2013 | 36 NG31 7PQ | Terraced | £60,000 | |
| 2 Nov 2012 | 3 NG31 7PG | Terraced | £84,000 | |
| 23 Sep 2011 | 48 NG31 7PQ | Terraced | £88,000 | |
| 13 Sep 2011 | 55 NG31 7PG | Semi-detached | £92,000 | |
| 23 Dec 2010 | 77 NG31 7PG | Semi-detached | £92,500 |
Energy performance certificates
92 homes with a current certificate; median floor area 73 m². Most common: House, semi-detached (45); Flat (22); Bungalow, semi-detached (15). Built: 1967-1975 (57); 1950-1966 (21); 1976-1982 (8). Tenure at assessment: owner-occupied (47); rented (social) (22); rented (private) (12).
Each home's certificates and sales (37 addresses)
- 2, Goodliff Close
- 3, Goodliff Close
- 3, Goodliff Road
- 4, Goodliff Close
- 5, Goodliff Road
- 6, Goodliff Close
- 7, Goodliff Close
- 7, Goodliff Road
- 8, Goodliff Road
- 9, Goodliff Road
- 10, Goodliff Road
- 16, Goodliff Road
- 20, Goodliff Road
- 25, Goodliff Road
- 26, Goodliff Road
- 28, Goodliff Road
- 32, Goodliff Road
- 33, Goodliff Road
- 41, Goodliff Road
- 42, Goodliff Road
- 43, Goodliff Road
- 45, Goodliff Road
- 46, Goodliff Road
- 55, Goodliff Road
- 57, Goodliff Road
- 61, Goodliff Road
- 65, Goodliff Road
- 70, Goodliff Road
- 74, Goodliff Road
- 77, Goodliff Road
- 79, Goodliff Road
- 81, Goodliff Road
- 91, Goodliff Road
- 98, Goodliff Road
- 100, Goodliff Road
- 111 Goodliff Road
- 113 Goodliff Road
Council tax
What each band costs in South Kesteven in 2026-27: Band D £2,260 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,507 | £1,758 | £2,009 | £2,260 | £2,762 | £3,264 | £3,767 | £4,520 |
Homes by band in the neighbourhoods around this street: most are in band A (91% of about 1,160 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Brownfield land registered for housing within 1 km (0.6 miles)
- Old Tannery, Earlsfield Lane: up to 11 homes, not permissioned (480 m (0.3 miles))
Roadworks
Planned, as of 31 October 2026
- 12 January 2027 to 22 January 2027: LINCOLNSHIRE COUNTY COUNCIL, Highway improvement works, two-way signals, on the carriageway (standard works)
Finished in the last three months
- 29 September 2026 to 30 September 2026: ANGLIAN WATER, Utility repair and maintenance works, give and take, on the footway (minor works)
- 30 August 2026 to 2 September 2026: ANGLIAN WATER, Utility repair and maintenance works, some carriageway incursion, on the footway (standard works)
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 4 addresses are in areas at high risk, 15 at medium risk and 20 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 |
|---|---|---|---|
| NG31 7PG | not in 2 or 3 | 0 / 0 / 2 | unlikely |
| NG31 7PQ | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NG31 7RS | not in 2 or 3 | 0 / 2 / 6 | unlikely |
| NG31 7QB | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NG31 7QD | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NG31 7QL | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| NG31 7PN | not in 2 or 3 | 0 / 3 / 0 | unlikely |
| NG31 7PE | not in 2 or 3 | 0 / 4 / 4 | unlikely |
| NG31 7RQ | not in 2 or 3 | 2 / 1 / 2 | unlikely |
| NG31 7SR | not in 2 or 3 | 2 / 5 / 6 | unlikely |
Height above sea level
The street's 132 addresses are between 69 m and 78 m above sea level (74 m on average); the ground rises about 9 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| NG31 7PE | 100% | 100% | 100% | 0% |
| NG31 7PG | 100% | 100% | 100% | 0% |
| NG31 7PN | 100% | 100% | 100% | 0% |
| NG31 7PQ | 100% | 100% | 100% | 0% |
| NG31 7QB | 100% | 100% | 100% | 0% |
| NG31 7QD | 100% | 100% | 100% | 0% |
| NG31 7QL | 100% | 100% | 100% | 0% |
| NG31 7RQ | 100% | 100% | 100% | 0% |
| NG31 7RS | 100% | 100% | 100% | 0% |
| NG31 7SR | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Grantham 1.5 million journeys in 2024–25 | 1 km (0.6 miles) |
| Bottesford 57,000 journeys in 2024–25 | 10.1 km (6.3 miles) | |
| Ancaster 5,530 journeys in 2024–25 | 12.1 km (7.5 miles) | |
| Bus stops | 14 stops within 400 m (0.2 miles), 46 within 800 m (0.5 miles); nearest Foston Road Grantham | 90 m |
| Bus or coach station | Bus Station Grantham | 1.1 km (0.7 miles) |
| EV charging points | 4 within 1.6 km (1 mile); nearest bp pulse Charging Station | 720 m (0.4 miles) |
| Airport with scheduled flights | East Midlands Airport EMA | 45.9 km (29 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 4 practices within 1.6 km (1 mile); nearest Swingbridge Surgery | 800 m (0.5 miles) |
| Pharmacies | 8 pharmacies within 1.6 km (1 mile); nearest Lincoln Co-Op Chemists | 680 m (0.4 miles) |
| NHS dentists | 6 practices within 1.6 km (1 mile); nearest Appoline Dental Care | 260 m |
| Hospital | Grantham & District Hospital | 1.9 km (1.2 miles) |
| Police station | Grantham Police Station | 890 m (0.6 miles) |
| Cash machines | 4 machines within 800 m (0.5 miles); nearest Goodliffe Stores Cashzone | 100 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m (0.5 miles); nearest Unnamed 2,030 m² | 610 m (0.4 miles) |
| Largest park within 800 m (0.5 miles) | Unnamed 1.2 ha | 640 m (0.4 miles) |
| Play area | 1 within 800 m (0.5 miles); nearest Unnamed 1,000 m² | 610 m (0.4 miles) |
| Playing field | 1 within 800 m (0.5 miles); nearest Unnamed 5,050 m² | 740 m (0.5 miles) |
| Allotments | 2 within 800 m (0.5 miles); nearest Unnamed 7,790 m² | 590 m (0.4 miles) |
Within 800 m (0.5 miles): 2 parks and gardens, 1.4 hectares in all.
Landmarks
The nearest historic landmark is Conduit House, Market Place, a scheduled monument, 1.1 km (0.7 miles) north-east. 17 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Conduit House, Market Place | Scheduled monument | 1.1 km (0.7 miles) north-east |
| Grantham market cross | Scheduled monument | 1.1 km (0.7 miles) north-east |
| Harlaxton Manor | Registered park or garden, Grade II* | 2.8 km (1.8 miles) south-west |
| Name | What it is | From the middle of the street |
|---|---|---|
| Mill Hill | Hill | 2.5 km (1.6 miles) north-west |
| Harlaxton Wood | Wood | 2.6 km (1.6 miles) south |
| Stubbock Hill | Hill | 2.6 km (1.6 miles) north-west |
| Hall's Hill | Hill | 2.7 km (1.7 miles) east |
| Warren Plantation | Wood | 2.7 km (1.7 miles) south |
| Denton Reservoir | Lake or reservoir | 3.7 km (2.3 miles) south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 6.8 | 40 | 10 |
| Fine particles (PM2.5) | 7.0 | 20 | 5 |
| Particles (PM10) | 12.3 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 3 | 0 |
| Under 55 | 129 | 132 |
3 of the street's 132 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 South Kesteven: see them on the South Kesteven page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| The Isaac Newton Primary School | Primary | 4–11 | 180 m | No overall grade (Feb 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Outstanding; Personal development: Good; Leadership and management: Good |
| West Grantham Church of England Secondary Academy | Secondary | 11–16 | 310 m | Good (Jan 2024, overall grade under the previous framework) |
| West Grantham Church of England Primary Academy | Primary | 3–11 | 630 m (0.4 miles) | Good (Oct 2023, overall grade under the previous framework) |
| Huntingtower Community Primary Academy | Primary | 4–11 | 750 m (0.5 miles) | Report card (Jan 2026): Curriculum and teaching: Expected standard; Achievement: Needs attention; Attendance and behaviour: Strong standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
| Walton Academy | Secondary | 11–18 | 1.1 km (0.7 miles) | Good (Nov 2022, overall grade under the previous framework) |
| St Wulfram's National Church of England Primary School | Primary | 4–11 | 1.3 km (0.8 miles) | No overall grade (Jun 2025, graded inspection without an overall judgement): Quality of education: Requires improvement; Behaviour and attitudes: Requires improvement; Personal development: Good; Leadership and management: Good |
| The King's School, Grantham | Secondary | 11–18 | 1.4 km (0.9 miles) | Good (Dec 2022, overall grade under the previous framework) |
| Grantham College | 16 plus | 16–99 | 1.6 km (1 mile) | No published inspection |
| Poplar Farm School | Primary | 4–11 | 1.6 km (1 mile) | Good (Jan 2023, overall grade under the previous framework) |
| Kesteven and Grantham Girls' School | Secondary | 11–18 | 1.7 km (1 mile) | Outstanding (Sep 2023, overall grade under the previous framework) |
| St Anne's Church of England Primary School, Grantham | Primary | 4–11 | 1.8 km (1.1 miles) | No published inspection |
| Wyndham Park Nursery School | Nursery | 2–5 | 1.8 km (1.1 miles) | No published inspection |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Goodliffe Store NG31 7PJ | Retailers - other | 100 m | 5 Very good | 8 May 2026 |
| Isaac Newton Primary School NG31 7DG | School/college/university | 180 m | 5 Very good | 29 Apr 2026 |
| Choices Health and Fitness NG31 7LE | Other catering premises | 270 m | 5 Very good | 14 Apr 2026 |
| Fun Farm Ltd NG31 7LE | Other catering premises | 270 m | 5 Very good | 27 May 2026 |
| Grantham Bowl NG31 7LE | Other catering premises | 270 m | 3 Generally satisfactory | 14 Aug 2025 |
| inspire+ NG31 7LE | Other catering premises | 270 m | 5 Very good | 6 May 2025 |
| The Co-operative NG31 7DX | Retailers - supermarkets/hypermarkets | 270 m | 5 Very good | 4 Dec 2025 |
| The Priory NG31 7DX | Pub/bar/nightclub | 270 m | 5 Very good | 2 Aug 2023 |
| The Cree Centre NG31 7QP | Hospitals/Childcare/Caring Premises | 290 m | 5 Very good | 4 Jun 2026 |
| Blue Pearl NG31 7DU | Takeaway/sandwich shop | 300 m | 3 Generally satisfactory | 6 Oct 2025 |
| Butterflies Nursery and Pre-school NG31 7DQ | Hospitals/Childcare/Caring Premises | 330 m | 5 Very good | 12 Oct 2026 |
| Mini Pinky's NG31 7DR | Mobile caterer | 430 m (0.3 miles) | 5 Very good | 5 May 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 41 |
| Anti-social behaviour | 17 |
| Criminal damage and arson | 14 |
| Public order | 11 |
| Shoplifting | 10 |
| Other theft | 5 |
| Other crime | 2 |
| Burglary | 1 |
| Drugs | 1 |
| Vehicle crime | 1 |
Most of these are attached to: On or near Supermarket (34); On or near Warmington Avenue (18); On or near Goodliff Road (12); On or near Avon Close (11); On or near Marlstone Place (6).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 39 | 40 |
| Children under 15 | 22% | 17% |
| Aged 65 and over | 16% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 44% | 61% |
| Owned outright | 20% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 41% | 17% |
| Private rented | 14% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 55% | 57% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 18% | 22% |
| Long-term sick or disabled (of adults) | 8% | 4% |
| Work mainly from home (of those in work) | 12% | 32% |
| Travel to work by car or van | 63% | 48% |
| By train, Underground, metro or tram | under 1% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 21% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 70% | 65% |
| Work 30 km (19 miles) or more away | 13% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 16% | 34% |
| No qualifications | 32% | 18% |
| Apprenticeship as highest qualification | 8% | 5% |
| Main language English (aged 3 and over) | 83% | 91% |
| Cannot speak English well or at all | 3% | 2% |
Deprivation
The 2 neighbourhoods around this street are in deciles 1 to 3 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
- Roadworks Street works permit: LINCOLNSHIRE COUNTY COUNCIL: Highway improvement works, 12 January 2027 to 22 January 2027 (two-way signals) found 3 November 2026
Postcodes on this street
- NG31 7PG: 48 addresses of 49 in the postcode
- NG31 7PQ: 24 addresses
- NG31 7RS: 22 addresses of 24 in the postcode
- NG31 7QB: 12 addresses of 13 in the postcode
- NG31 7QD: 10 addresses
- NG31 7QL: 9 addresses of 10 in the postcode
- NG31 7PN: 4 addresses of 6 in the postcode
- NG31 7PE: 1 address of 19 in the postcode
- NG31 7RQ: 1 address of 23 in the postcode
- NG31 7SR: 1 address of 37 in the postcode
Nearby streets
Hillingford Way · Derwent Road · Foston Road · Marlstone Place · Hill View Close · East Avenue · Warmington Avenue · Avon Close · Hodder Close · Earlesfield Lane · Medway Avenue · Dexter Avenue
All the streets in NG31 and across South Kesteven.
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.