TR17 postcode district: Marazion and around, Cornwall

TR17 is a postcode district in England, with 93 postcodes in use in 1 sector. It has postcodes in Marazion. Its council is Cornwall.

Postcodes in use
93
Sectors
1
Council
Cornwall
Places
Marazion

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in TR17, by flood risk

Map of every postcode in TR17, by flood risk Of the 93 postcodes in TR17 that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 1 are at very low risk only and 82 are not on the Environment Agency's at-risk list. Places named: Marazion. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A394 TR17 0AA: not on the flood risk listTR17 0AB: not on the flood risk listTR17 0AD: not on the flood risk listTR17 0AE: not on the flood risk listTR17 0AF: not on the flood risk listTR17 0AG: not on the flood risk listTR17 0AH: not on the flood risk listTR17 0AJ: not on the flood risk listTR17 0AL: not on the flood risk listTR17 0AN: not on the flood risk listTR17 0AP: not on the flood risk listTR17 0AQ: not on the flood risk listTR17 0AR: not on the flood risk listTR17 0AS: not on the flood risk listTR17 0AT: not on the flood risk listTR17 0AU: not on the flood risk listTR17 0AX: not on the flood risk listTR17 0AY: not on the flood risk listTR17 0AZ: not on the flood risk listTR17 0BA: not on the flood risk listTR17 0BB: not on the flood risk listTR17 0BD: not on the flood risk listTR17 0BE: not on the flood risk listTR17 0BG: not on the flood risk listTR17 0BH: not on the flood risk listTR17 0BJ: not on the flood risk listTR17 0BL: not on the flood risk listTR17 0BN: not on the flood risk listTR17 0BP: not on the flood risk listTR17 0BQ: not on the flood risk listTR17 0BS: not on the flood risk listTR17 0BT: not on the flood risk listTR17 0BU: not on the flood risk listTR17 0BW: not on the flood risk listTR17 0BX: not on the flood risk listTR17 0BY: not on the flood risk listTR17 0BZ: not on the flood risk listTR17 0DB: not on the flood risk listTR17 0DD: not on the flood risk listTR17 0DE: not on the flood risk listTR17 0DF: not on the flood risk listTR17 0DG: not on the flood risk listTR17 0DH: not on the flood risk listTR17 0DJ: not on the flood risk listTR17 0DL: not on the flood risk listTR17 0DN: not on the flood risk listTR17 0DP: not on the flood risk listTR17 0DQ: not on the flood risk listTR17 0DR: not on the flood risk listTR17 0DS: not on the flood risk listTR17 0DT: not on the flood risk listTR17 0DU: not on the flood risk listTR17 0DW: not on the flood risk listTR17 0DX: not on the flood risk listTR17 0DZ: not on the flood risk listTR17 0EA: not on the flood risk listTR17 0ED: not on the flood risk listTR17 0EE: not on the flood risk listTR17 0EF: not on the flood risk listTR17 0EH: not on the flood risk listTR17 0EL: not on the flood risk listTR17 0EP: not on the flood risk listTR17 0EQ: not on the flood risk listTR17 0ER: not on the flood risk listTR17 0ES: not on the flood risk listTR17 0ET: not on the flood risk listTR17 0EU: not on the flood risk listTR17 0EX: not on the flood risk listTR17 0EZ: not on the flood risk listTR17 0FB: not on the flood risk listTR17 0FD: not on the flood risk listTR17 0FE: not on the flood risk listTR17 0FF: not on the flood risk listTR17 0HA: not on the flood risk listTR17 0HB: not on the flood risk listTR17 0HE: not on the flood risk listTR17 0HF: not on the flood risk listTR17 0HL: not on the flood risk listTR17 0HN: not on the flood risk listTR17 0HW: not on the flood risk listTR17 0EW: very low flood risk onlyTR17 0EG: low flood risk at worstTR17 0HJ: low flood risk at worstTR17 0HQ: low flood risk at worstTR17 0EJ: medium flood risk at worstTR17 0DA: high flood riskTR17 0DY: high flood riskTR17 0EN: high flood riskTR17 0HH: high flood riskTR17 0HS: high flood riskTR17 0HT: high flood risk Marazion Map of every postcode in TR17, by flood risk Of the 93 postcodes in TR17 that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 1 are at very low risk only and 82 are not on the Environment Agency's at-risk list. Places named: Marazion. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A394 Marazion
  • A home or business at high risk: 6
  • At medium risk at worst: 1
  • At low risk at worst: 3
  • At very low risk only: 1
  • Not on the at-risk list: 82

Of the 93 postcodes in TR17 that ONS places, 6 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 1 are at very low risk only and 82 are not on the Environment Agency's at-risk list.

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. 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 50.1255, longitude -5.4683. 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; flood risk: Environment Agency, published 6 July 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

TR17 0DY6 at high riskTR17 0HS5 at high riskTR17 0DA2 at high riskTR17 0EN1 at high riskTR17 0HH1 at high riskTR17 0HT1 at high risk

What broadband can you get in TR17?

Ofcom reports on 92 of the 93 postcodes in TR17. At 18 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit18 of 92
Postcodes where every home can get superfast80 of 92

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 checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is TR17 at risk of flooding?

11 of the 93 postcodes in TR17 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 18 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 11 of 93 postcodes High: 16Medium: 2Low: 17Very low: 10

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, 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 TR17?

Homes in TR17 sold for a typical £270,000 in the 12 months to August 2026, across 13 sales, down 39% on the 12 months before, HM Land Registry's figures show.

£270,000 typical price, the 12 months to August 2026
12 months to August 2025
£442,750
12 months to August 2026
£270,000

▼ down 39% on the 12 months before

Detached 4 sales, too few to price
Semi-detached 2 sales, too few to price
Terraced 4 sales, too few to price
Flat or maisonette 3 sales, too few to price

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 TR17

Pick a sector, then a postcode. A sector is the district plus the next digit.

TR17 093 postcodes
UK postcode format explained

Places in TR17

Towns and villages with postcodes in TR17, and how many each has here.

Marazion postcodes,82

Who covers TR17

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

  • St Ives93

Police force areas

  • Devon & Cornwall93

Next to TR17

TR16 postcode district TR18 postcode district All TR districts Marazion postcodes

"Next to" is by number: the districts before and after TR17 in the TR area.

Check a postcode

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