DA3 postcode district: Longfield, New Ash Green and Hartley and around, Kent
DA3 is a postcode district in Kent, with 355 postcodes in use in 3 sectors. It has postcodes in Longfield, New Ash Green and Hartley and West Kingsdown. It is split between 3 councils: Sevenoaks (244 postcodes), Dartford (108) and Gravesham (3).
- Postcodes in use
- 355
- Sectors
- 3
- Councils
- 3 councils
- Places
- 2 places
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in DA3, by gigabit broadband
- No home or business can get gigabit: 116
- Some can get gigabit: 102
- Every home and business can get gigabit: 126
- Ofcom gives no figure: 11
- Outline: where 5 or more postcodes without gigabit lie together
Of the 355 postcodes in DA3 that ONS places, 116 have no home or business that can get gigabit, 102 have some that can, 126 can all get it and 11 have no Ofcom figure.
Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. A dashed outline shows where 5 or more lie within 210 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.
The middle of its postcodes: latitude 51.3842, longitude 0.3084. Open this area on OpenStreetMap
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; gigabit: Ofcom, Connected Nations, Spring 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them
Postcodes without gigabit
116 postcodes here have no gigabit. These are the 12 first in postcode order.
Where the postcodes without gigabit lie together
- 17 postcodes without gigabit, outlined on the map. DA3 7RU, is the one nearest the middle of them.
- 13 postcodes without gigabit, outlined on the map. DA3 8JB, is the one nearest the middle of them.
- 11 postcodes without gigabit, outlined on the map. DA3 8BG, is the one nearest the middle of them.
- 8 postcodes without gigabit, outlined on the map. DA3 7AT, is the one nearest the middle of them.
- 7 postcodes without gigabit, outlined on the map. DA3 8NS, is the one nearest the middle of them.
What broadband can you get in DA3?
Ofcom reports on 344 of the 355 postcodes in DA3. At 126 of them every home and business can get gigabit broadband.
Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.
Check one address on Ofcom's checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
Is DA3 at risk of flooding?
None of the 355 postcodes in DA3 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.
Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.
Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it
What do homes sell for in DA3?
Homes in DA3 sold for a typical £480,000 in the 12 months to August 2026, across 213 sales, HM Land Registry's figures show. The 12 months before gave £465,000 from 255 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached £680,000 82 sales
- Semi-detached £487,000 50 sales
- Terraced £332,500 66 sales
- Flat or maisonette £230,000 15 sales
Each bar is that kind's typical price, against the most expensive kind here.
Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.
Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it
Postcodes in DA3
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in DA3
Towns and villages with postcodes in DA3, and how many each has here.
Who covers DA3
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
What council am I in?Constituencies
- Tonbridge204
- Dartford108
- Sevenoaks40
- Gravesham3
Police force areas
- Kent355
Next to DA3
"Next to" is by number: the districts before and after DA3 in the DA area.
Check a postcode
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