property by fourzerotwo

UK Property & Area

Built by fourzerotwo (from DeedCheck) on HM Land Registry, ONS, GOV.UK, planning.data.gov.uk, police and Environment Agency open data.

endpoints: 9
from: $0.002 / call
free tier: yes

Sold prices

Every recorded sale in a postcode since 1995 (England & Wales), newest first; optionally one address.

price: $0.005 / call
free tier: 3 free / day
MCP tool: uk-property__sold-prices
method: GET

GET https://fourzerotwo.si/v1/uk-property/sold-prices

Param	Type	Description
postcode	string	UK postcode
address?	string	House number/name to filter to one property

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/sold-prices?postcode=CT9%202DJ"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/sold-prices?postcode=CT9%202DJ"

Price summary

Count, median, mean, range and by-type medians of sales in a postcode over N years.

price: $0.005 / call
free tier: 3 free / day
MCP tool: uk-property__price-summary
method: GET

GET https://fourzerotwo.si/v1/uk-property/price-summary

Param	Type	Description
postcode	string	UK postcode
years?	integer	Look-back years (default 5)

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/price-summary?postcode=CT9%202DJ"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/price-summary?postcode=CT9%202DJ"

Revalue a past sale

Index a past sale price to today with the UK House Price Index for a region.

price: $0.005 / call
free tier: 3 free / day
MCP tool: uk-property__revalue
method: GET

GET https://fourzerotwo.si/v1/uk-property/revalue

Param	Type	Description
amount	integer	Sale price £
sale_date	string	YYYY-MM-DD
region?	string	UK HPI region slug (england-and-wales, london, south-east, kent, wales, scotland…)

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/revalue?amount=250000&sale_date=2015-06-01"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/revalue?amount=250000&sale_date=2015-06-01"

House price index

UK HPI monthly index for a region.

price: $0.003 / call
free tier: 3 free / day
MCP tool: uk-property__house-price-index
method: GET

GET https://fourzerotwo.si/v1/uk-property/house-price-index

Param	Type	Description
region?	string	Region slug
months?	integer	Months (default 24)

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/house-price-index"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/house-price-index"

Planning constraints

Listed building, conservation area, Article 4, TPO, green belt, AONB, national park and more at a location (England).

price: $0.005 / call
free tier: 3 free / day
MCP tool: uk-property__planning-constraints
method: GET

GET https://fourzerotwo.si/v1/uk-property/planning-constraints

Param	Type	Description
postcode?	string	Postcode
latitude?	string	Latitude
longitude?	string	Longitude

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/planning-constraints"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/planning-constraints"

Council & administration

Council (with website and tier), ward, parish, constituency, police force and NHS ICB for a postcode.

price: $0.002 / call
free tier: 3 free / day
MCP tool: uk-property__council
method: GET

GET https://fourzerotwo.si/v1/uk-property/council

Param	Type	Description
postcode	string	UK postcode

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/council?postcode=CT9%202DJ"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/council?postcode=CT9%202DJ"

Area report

One call: administration, sold-price summary, planning designations, last month's crime within a mile and flood warnings within 5km.

price: $0.03 / call
free tier: 3 free / day
MCP tool: uk-property__area-report
method: GET

GET https://fourzerotwo.si/v1/uk-property/area-report

Param	Type	Description
postcode	string	UK postcode

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/area-report?postcode=CT9%202DJ"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/area-report?postcode=CT9%202DJ"

Lease length assessment

Years remaining on a lease and a red/amber/green mortgageability and extension-cost assessment.

price: $0.003 / call
free tier: 3 free / day
MCP tool: uk-property__lease-length
method: GET

GET https://fourzerotwo.si/v1/uk-property/lease-length

Param	Type	Description
lease_start	string	Lease start YYYY-MM-DD
term_years	integer	Original term in years

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/lease-length?lease_start=1985-03-25&term_years=99"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/lease-length?lease_start=1985-03-25&term_years=99"

Estate deadlines

Key probate dates: 1975 Act claim window, Gazette creditor deadline, executor's year and IHT due date (England & Wales).

price: $0.003 / call
free tier: 3 free / day
MCP tool: uk-property__estate-deadlines
method: GET

GET https://fourzerotwo.si/v1/uk-property/estate-deadlines

Param	Type	Description
date_of_death?	string	YYYY-MM-DD
grant_date?	string	YYYY-MM-DD
notice_claim_date?	string	Gazette claim deadline YYYY-MM-DD
gross_estate?	integer	Gross estate £

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/uk-property/estate-deadlines"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-property/estate-deadlines"