SYSTEM all green source jaap.nl queue 12,841 listings p99 latency 184ms dataflirt.com · scraper/jaap-nl
RUN | 42 active pipelines | jaap.nl live

Dutch property data,
at warehouse scale.

We extract residential listings, WOZ estimates, energy labels, and broker intelligence from Jaap.nl. Delivered as clean JSON, CSV, or Parquet to S3, BigQuery, or Snowflake on your cadence.

Properties extracted
312K /run
Price updates
18.4K /24h
Broker records
4.2K /run
Active pipelines
42
Uptime
99.98%
Data Dictionary

Every field we extract from jaap.nl

Structured, schema-consistent data across all major object types — delivered clean, typed, and ready to query.

Complete list of extractable fields for Property Listings objects from jaap.nl. All fields typed and schema-versioned.

property_idaddresspostal_codecityasking_pricewoz_valuebuild_yearenergy_labelliving_area_sqmplot_area_sqmroomsproperty_typestatuslisting_url
property_listings
● 200 OK
"property_id": "847291",
"address": "Keizersgracht 123",
"postal_code": "1015 CJ",
"city": "Amsterdam",
"asking_price": 850000,
"woz_value": 810000,
"build_year": 1905,
"energy_label": "C"
# property_idaddresspostal_codecityasking_pricewoz_value
1
2
3

Complete list of extractable fields for Price History objects from jaap.nl. All fields typed and schema-versioned.

property_idcurrent_priceoriginal_priceprice_drop_counttotal_discount_pctdays_on_marketlisting_datelast_price_updateprice_per_sqm
price_history
● 200 OK
"property_id": "847291",
"current_price": 850000,
"original_price": 895000,
"price_drop_count": 2,
"days_on_market": 42,
"listing_date": "2025-09-01",
"price_per_sqm": 7083.33
# property_idcurrent_priceoriginal_priceprice_drop_counttotal_discount_pctdays_on_market
1
2
3

Complete list of extractable fields for Broker Intelligence objects from jaap.nl. All fields typed and schema-versioned.

broker_idbroker_namephone_numberwebsitenvm_memberactive_listings_countsold_listings_countoffice_addressratingreview_count
broker_intelligence
● 200 OK
"broker_id": "b-987",
"broker_name": "Amsterdam Housing Makelaars",
"phone_number": "+31201234567",
"nvm_member": true,
"active_listings_count": 14,
"sold_listings_count": 87,
"rating": 4.6
# broker_idbroker_namephone_numberwebsitenvm_memberactive_listings_count
1
2
3

Complete list of extractable fields for Neighbourhood Metrics objects from jaap.nl. All fields typed and schema-versioned.

postal_codemunicipalityprovinceavg_asking_priceavg_woz_valuepopulationhouseholdsavg_incomecrime_indexamenities_scorepublic_transit_score
neighbourhood_metrics
● 200 OK
"postal_code": "1015",
"municipality": "Amsterdam",
"province": "Noord-Holland",
"avg_asking_price": 920000,
"avg_woz_value": 880000,
"population": 4200,
"households": 2100
# postal_codemunicipalityprovinceavg_asking_priceavg_woz_valuepopulation
1
2
3

Complete list of extractable fields for Media & Layout objects from jaap.nl. All fields typed and schema-versioned.

property_idimage_countimage_urlsfloorplan_urlshas_videohas_gardengarden_orientationhas_garagebalconyheating_typeinsulation_types
media_& layout
● 200 OK
"property_id": "847291",
"image_count": 24,
"has_video": true,
"has_garden": true,
"garden_orientation": "South",
"has_garage": false,
"heating_type": "CV-ketel"
# property_idimage_countimage_urlsfloorplan_urlshas_videohas_garden
1
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Capabilities

Everything you need from Jaap.nl, extracted at scale

Our Jaap.nl scraper handles every layer of the platform: property listings, WOZ valuations, broker intelligence, and neighbourhood statistics. We manage residential proxy routing, JavaScript execution, and anti-bot circumvention natively.

Full Property Data Extraction

Address, asking price, WOZ value, energy label, and square footage extracted at the listing level with high fidelity.

Historical Price Tracking

Capture original asking prices, price drops, and total days on market for every active property.

WOZ Value Extraction

Pull public property valuation data directly from Jaap.nl databases for accurate municipal market comparisons.

Broker Intelligence

Extract real estate agent details, contact numbers, active listing counts, and NVM membership status.

Neighbourhood Demographics

Scrape average income, population density, and municipal statistics linked to specific Dutch postal codes.

Sold Property Archives

Access historical transaction data and final listing prices for properties removed from the active market.

Energy Efficiency Metrics

Track standardized EU energy labels and insulation types to evaluate renovation potential across portfolios.

Media & Floorplan Links

Extract high-resolution image URLs, virtual tour links, and floorplan documents for visual analysis.

Scheduled Updates

Run continuous pipelines at daily or weekly cadences to track new listings and market status changes.

// engagement pipeline

From postal code list to warehouse record

Brief in. Clean data out.

Define Scope
d 0

Provide postal codes, municipalities, or broker IDs. We design the extraction schema together.

Pipeline Build
d 2–4

We configure Scrapy crawlers, Dutch proxy rotation, session management, and map payload interception.

Validation & QA
d 4–6

Schema validation, null-rate checks, price-outlier detection, and sample property records before full launch.

Delivery
ongoing

JSON, CSV, or Parquet pushed to your S3 bucket, BigQuery dataset, or Snowflake stage on agreed cadence.

Under the hood

How our Jaap.nl pipeline handles the hard parts

Dutch real estate platforms actively block datacenter IPs and non-EU traffic. Here is how we maintain pipeline stability for Jaap.nl data extraction.

pipeline-monitor · jaap.nl · live ● active
// fingerprinting
Identity rotation
TLS fingerprintrandomised
User-agentrotated
IP poolresidential
Challenges blocked0
// pagination
Page coverage
48,291 pages queued running
// observability
Pipeline health
99.9%
uptime
142ms
p99 lat
0.3%
null rate
2
alerts
Dutch IP routing
Bypassing regional blocks

Jaap.nl restricts non-EU traffic. We route all requests through Netherlands-based residential proxy pools to maintain access and mimic legitimate local user behaviour.

Dynamic map rendering
Intercepting JavaScript payloads

Neighbourhood boundaries and property pins load via JavaScript map widgets. We execute Playwright sessions to intercept the underlying JSON payloads directly from the network layer.

Pagination limits
Granular query splitting

Search results cap at specific page depths. We bypass this limitation by dynamically splitting queries across granular postal codes and narrow price brackets.

Schema stability
Resilient selectors

Real estate platforms frequently update their DOM to deter scraping. We use fallback chains and LD+JSON extraction to maintain data continuity during layout changes.

Change detection
Only re-scrape what changes

We maintain a hash index of active listings. Subsequent runs only push price drops or status changes, reducing downstream processing load and storage costs.

Applications

Who uses Jaap.nl data, and how

Teams across industries use jaap.nl data to build competitive products and smarter operations.

01
PropTech Valuations

Algorithmic valuation models ingest Jaap.nl asking prices and WOZ values to train automated pricing engines.

02
Investment Analysis

Real estate funds track price-per-square-metre trends across Dutch municipalities to identify undervalued neighbourhoods.

03
Brokerage Competitor Tracking

Real estate agencies monitor competitor listing volumes, time-on-market metrics, and price reduction frequencies.

04
Lead Generation

Contractors and renovation firms target properties with low energy labels or extended market durations.

05
Macroeconomic Research

Analysts aggregate housing supply and asking price trends to forecast Dutch real estate market health.

06
Energy Efficiency Mapping

Sustainability consultants track the distribution of energy labels across specific postal codes to plan green initiatives.

Why DataFlirt

"Jaap.nl holds the most granular pricing history and WOZ valuation data in the Netherlands, but extracting it requires navigating strict regional rate limits."

Most teams underestimate the infrastructure required. Reliable Jaap.nl scraping demands Dutch residential proxies, full JavaScript execution for map payloads, and daily DOM selector maintenance. DataFlirt absorbs that complexity so your engineering team can focus on market analysis instead of proxy rotation.

Technical Spec

Jaap.nl scraper: technical capabilities

Everything supported by our jaap.nl scraper — rendered SPA elements, auth walls, rate-limit evasion and beyond.

JavaScript rendering
Full Playwright sessions for map data and dynamic content
Supported
CAPTCHA bypass
Automated CapSolver integration with fallback to manual queue
Supported
Dutch residential proxies
ISP-grade residential IPs from Netherlands pools
Supported
WOZ value extraction
Capture official municipal property valuations
Supported
Price drop history
Track original price versus current asking price
Supported
Energy label parsing
Extract standardized EU energy ratings
Supported
Broker contact info
Phone numbers and office addresses for listing agents
Supported
Sold property archives
Access historical listings no longer active
Supported
Change detection (diffs)
Hash-based diffs for price and status updates
Supported
Webhook delivery
HTTP POST per new listing
Supported
User saved searches
Gated data requiring personal account credentials
Partial
Direct broker messaging
Executing contact forms on behalf of users
Partial
Infrastructure

Infrastructure powering the Jaap.nl pipeline

Open-source tooling on proven cloud infra — no vendor lock-in, full observability.

ScrapyPlaywrightPython 3.12RedisPostgreSQLApache AirflowAWS LambdaS3CloudWatch2CaptchaCapSolverResidential ProxiesDockerKubernetesGrafanaPrometheus
Scrapy + Playwright Stack

Scrapy handles crawl orchestration, deduplication, and retry logic. Playwright handles JavaScript rendering, map payload interception, and interaction flows.

Residential Proxy Infrastructure

We maintain pools of residential ISP proxies across Netherlands regions. Rotation happens per-request with sticky sessions where required to bypass geo-blocks.

Cloud-Native Orchestration

Pipelines run on AWS Lambda and ECS. Airflow handles scheduling, dependency management, and SLA alerting. All state stored in managed Postgres.

Output & Delivery

Your data, your destination

Data delivered to where your team already works — no new tooling required.

JSON
Newline-delimited or nested array structures
CSV
Flat file with typed columns for direct analyst use
XLS
Excel compatible output for manual review
Parquet
Columnar format for BigQuery, Snowflake, and Athena
AWS S3
Direct bucket delivery compatible with any data lake
Webhook
HTTP POST per record for real-time downstream processing
API
REST endpoints to query your extracted datasets
PostgreSQL
Upsert into your existing schema with conflict resolution
BigQuery
Streamed directly into your dataset with schema auto-detect
Snowflake
Stage and COPY INTO workflow for enterprise warehousing
S3
Direct bucket delivery — compatible with any data lake
// faq

Common questions.

About jaap.nl scraping, legality, and pipeline operations.

Ask us directly →
Is scraping Jaap.nl legal?

Scraping publicly available real estate data is generally permissible under EU law, provided it does not extract personal identifiable information beyond public broker details. We strictly target public property and pricing data. Clients must ensure compliance with GDPR for their specific use cases.

How do you handle Jaap.nl regional blocks?

We utilise Netherlands-based residential proxy networks. This ensures our requests originate from local IPs, mimicking legitimate Dutch user traffic and bypassing geo-restrictions.

Can you extract historical sold prices?

Yes. We scrape the sold property archives to capture final asking prices, days on market, and historical WOZ values for delisted properties.

How fresh is the listing data?

We configure pipelines to run daily or hourly depending on your requirements. New listings and price changes are captured within minutes of publication during active crawl windows.

Do you capture neighbourhood demographics?

Yes. Jaap.nl provides municipal data including average income, population density, and crime indices. We extract this data and link it to the corresponding postal codes.

What is the minimum viable engagement?

Our smallest packages start at a defined set of municipalities or a specific province with weekly delivery. For nationwide coverage, we price based on volume and delivery frequency.

Can I request a sample dataset before committing?

Absolutely. We provide a sample run of up to 500 properties in a specified Dutch city to help you validate schema fit and data quality before signing a contract.

$ dataflirt scope --new-project --source=jaap.nl ready

Tell us what
to extract.
We do the rest.

20-minute scoping call. Pilot dataset within the week. Production within two. Whether you need a daily sync of Amsterdam listings or a full historical dump of Dutch property prices, we scope, build, and operate the pipeline. Tell us what you need.

hello@dataflirt.com · Bengaluru · IST · typical reply < 4h
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