by Burhan Pisavadi · VC, physics, coding & decarbonisation
I work at an early stage built environment VC. I have a masters in theoretical physics, and I like building things. This blog documents what I’m working on and what I’ve learned. More about me →
I write about lots of different things, and you can find search particular categories here:
All posts
What I’ve been reading over the past few years · #reading · 2026
A breakdown of 400+ Kindle books by genre, author, and series — from Discworld to Malazan to Wall Street
Chemis-tea · #chemistry #cooking · 2026
Using food science to reverse-engineer the perfect cup of chai
VC funds who I think do cool things · #vc #investing
Spotlighting VC funds doing something different
Data-driven VC · #vc #automation
Building an internal tech stack to automate the tedious parts of venture capital
Automating deal flow with AI · #vc #coding
Using Claude to parse free-text deal submissions into structured CRM entries
Building an internal deal portal · #vc #data
A Flask app with semantic search and Tinder-style voting for deal triage
Mining Companies House for startups · #vc #data
Scraping the UK company registry to find newly incorporated startups
Finding underpriced London properties · #proptech #data
Scraping Rightmove to find statistically underpriced properties in London
Simulating the UK energy market · #energy #coding
A Streamlit dashboard that simulates merit-order electricity dispatch and pricing
Not even water · #coding #automation
A single-page web app that generates Ramadan calendar blockers so you never miss iftar or oversleep for suhoor
Automating mosque seat bookings · #coding #automation
Reverse-engineering an undocumented booking API to never miss a seat window
Building a UK tax calculator · #coding #finance
A web app that calculates income tax, NI, student loans, and the 60% trap
The SHTF Playbook Wrapper · #coding #automation
A custom web reader that turns raw Notion HTML exports into a polished site
Exporting Canva presentations to PDF · #coding #automation
A Playwright script that screenshots Canva slides and stitches them into a PDF
Dice, Catan, and D&D · #games #maths
How dice mechanics shape the feel of board games and tabletop RPGs
The time value of carbon on our investment decision making · #energy #vc
Why immediate emissions reductions are worth more than future ones
The future of energy storage · #energy
A series exploring what energy storage could look like for the UK grid
ESOP and dilution maths · #vc #finance
Deriving algebraic formulas for cap table dilution and VSOP sizing
Embedding Plotly graphs into Wordpress · #coding #data
Getting interactive Plotly charts working on a WordPress site
A better estimate for the impact of Covid-19 on the UK · #data
Using time series analysis to estimate the real Covid-19 death toll
Roulette & the martingale system · #data #finance
Testing whether the martingale betting system actually works
Fun with Excel · #excel
Building an RPG, orbital simulators, and other things Excel wasn’t designed for
Old work blogs · #proptech #energy #vc
Newsletter articles and old work blogs on energy, proptech, and venture capital
Blog history & infra · #coding
How this blog has evolved over the years