The Development
Playbook

Excel workbook / Apartment development

A model for seeing the whole apartment deal at once.

A downloadable underwriting workbook for apartment development: assumptions, sales, cash flow, returns, lender tests, scenario comparison, funding triggers, and unit mix diagnostics.

The Development Playbook

Apartment Underwriting / Dashboard

Scenario: Base

Profit on cost

18.9%

developer profit / total cost

Equity IRR

51.2%

levered, annualised

Equity multiple

1.45x

cash returned / cash in

Margin on GDV

15.9%

profit / realised value

Funding profileDebt / Equity outstanding

Month 0

Month 6

Month 9

Month 15

Month 18

Month 21

Uses of funds

Construction65.8%
Land + acquisition13.9%
Marketing & sales6.7%
Professional fees6.6%
Contingency5.1%

What is inside

Not a black box. A readable underwriting file.

The workbook is organised as an argument: assumptions first, cash movement next, returns and risk after, with checks and evidence visible throughout.

01

Dashboard

Investment case, capital stack, uses of funds, and headline returns.

02

Model Checks

Visible tie-outs, integrity checks, and warnings before decisions are made.

03

Sources Register

A live assumptions register for evidence, ownership, confidence, and audit trail.

04

Scenario Comparison

Base, downside, and upside cases using the same model engine.

05

Programme & Funding

Milestones, covenant triggers, equity requirement, and debt draw timing.

06

Unit Mix Analytics

Revenue concentration, absorption, ticket size, and mix diagnostics.

07

Cash Flow

Monthly land, construction, sales, debt, interest, and equity movement.

08

Returns & Waterfall

Profit, IRR, equity multiple, post-tax returns, and JV waterfall logic.

09

Lender & Risk

LTC, loan-to-GDV, pre-sales, margin of safety, and risk register.

Base / Downside / Upside

Scenario comparison

Compare the same development through different price, cost, absorption, and financing conditions.

Base18.9% POC
Downside0.3% POC
Upside33.5% POC

Funding discipline

Programme triggers

Track when pre-sales, equity exposure, first debt draw, peak debt, completion, and repayment occur.

Pre-sale covenantMonth 9
Peak equityMonth 9
Peak debtMonth 20

Product risk

Unit mix analytics

Read the mix by units, saleable area, revenue contribution, absorption speed, and concentration risk.

Largest dependency2-bed
Sell-outMonth 15
Average ticketKES 11.8m

Prefer the workflow version?

Underwrite an apartment development in 30 minutes.

The Excel model teaches the structure. Pencil turns the same logic into a guided underwriting workflow: assumptions, unit mix, sales, costs, funding, returns, and sensitivity in one place.

Manual model vs guided workflow

Choose how you want to work.

Excel model

Best for learning the logic, reviewing assumptions, and adapting a transparent starter file.

Pencil

Best for running the underwriting workflow faster, consistently, and with less spreadsheet friction.

Model output

Dashboard, returns, cash flow, sensitivity, lender tests, and unit mix diagnostics.

Workflow output

A guided apartment development underwriting case you can build, compare, and share.

Download the workbook

Use it as a teaching model, a starter file, or a review checklist.

Built for early-stage apartment development decisions. Re-verify assumptions before committing capital.

Download Excel model