HA6 postcode district: Hillingdon and around
HA6 is a postcode district in England, with 721 postcodes in use in 4 sectors. It has postcodes in Hillingdon and Moor Park. It is split between 2 councils: Hillingdon (527 postcodes) and Three Rivers (194). 194 of its 721 postcodes are in Hertfordshire. ONS lists no county for the other 527.
- Postcodes in use
- 721
- Sectors
- 4
- Councils
- 2 councils
- Places
- 2 places
Source: ONS Postcode Directory, August 2026, loaded 20 October 2026.
Every postcode in HA6, by gigabit broadband
- No home or business can get gigabit: 105
- Some can get gigabit: 141
- Every home and business can get gigabit: 453
- Ofcom gives no figure: 22
- Outline: where 5 or more postcodes without gigabit lie together
Of the 721 postcodes in HA6 that ONS places, 105 have no home or business that can get gigabit, 141 have some that can, 453 can all get it and 22 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 150 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.
The middle of its postcodes: latitude 51.6119, longitude -0.4225. Open this area on OpenStreetMap
Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.
Postcodes without gigabit
105 postcodes here have no gigabit. These are the 12 first in postcode order.
Where the postcodes without gigabit lie together
- 15 postcodes without gigabit, outlined on the map. HA6 3EH, is the one nearest the middle of them.
- 11 postcodes without gigabit, outlined on the map. HA6 3FH, is the one nearest the middle of them.
- 9 postcodes without gigabit, outlined on the map. HA6 2BB, is the one nearest the middle of them.
- 8 postcodes without gigabit, outlined on the map. HA6 2XP, is the one nearest the middle of them.
- 5 postcodes without gigabit, outlined on the map. HA6 1AE, is the one nearest the middle of them.
- 5 postcodes without gigabit, outlined on the map. HA6 2JP, is the one nearest the middle of them.
What broadband can you get in HA6?
Ofcom reports on 699 of the 721 postcodes in HA6. At 453 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, Connected Nations, Spring 2026, data for January 2026.
Is HA6 at risk of flooding?
3 of the 721 postcodes in HA6 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 1 home or business in an area at high or medium risk.
High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.
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 flood risk, published 6 July 2026.
What do homes sell for in HA6?
Homes in HA6 sold for a typical £726,000 in the 12 months to September 2026, across 167 sales, HM Land Registry's figures show. The 12 months before gave £762,500 from 228 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached £1,410,000 62 sales
- Semi-detached £770,000 35 sales
- Terraced £560,000 23 sales
- Flat or maisonette £425,000 47 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 October 2026.
Postcodes in HA6
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in HA6
Towns and villages with postcodes in HA6, and how many each has here.
Who covers HA6
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
- Hillingdon527
- Three Rivers194
Constituencies
- Ruislip, Northwood and Pinner527
- South West Hertfordshire194
Police force areas
- Metropolitan Police527
- Hertfordshire194
Next to HA6
"Next to" is by number: the districts before and after HA6 in the HA area.
Check a postcode
Where the facts on this page come from
- Office for National Statistics: ONS Postcode Directory
- Ofcom Connected Nations
- Environment Agency flood risk
- HM Land Registry Price Paid Data
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
Licence: Open Government Licence v3.0.
Something wrong on this page? Report an error and we will check it against the source. All our sources