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    • Our founder
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RITHU
  • Home
  • Our founder
  • Services
  • Heritage economy
  • Work
  • Research
  • For firms
  • About
  • Workshops & community
  • Contact

Heritage that can carry its own conservation

Three economic blind spots

01 · Opportunity cost

Every reuse choice gains something and gives something up. We make the trade-off visible, in numbers.


02 · Economic chains

A heritage building sits inside a network of crafts, trades and services. The right use strengthens that chain.


03 · Regional sectors

Uses aligned with the industries that already drive the city or region last longer and earn more.

Gold drawing of a historic courtyard building linked to the craft workshops, markets and city around

Value–Opportunity Matrix

Carved stone arch with an iron grille in warm evening light

Our signature assessment

The first study before any design. Candidate uses for a heritage building are scored on five weighted dimensions. Any use that falls below a heritage threshold is ruled out, however much it earns. The result: a ranked list of uses, with the opportunity cost of each.

Send us a building for a first assessment

1 · Value integrity

Does the use respect what makes the building significant?

2 · Multi-contextual fit

Does it fit the prevailing value system and every context around it?

3 · Community

Who benefits, and does the community carry the use forward?

4 · Economic

Income, economic chains, regional sectors and opportunity cost.

5 · Feasibility

Can it be built, approved, operated and maintained?

What you receive from a first assessment

A shortlist of fitting uses

The uses your building and its setting can really carry, and the ones to avoid.


The cost of each choice

What each use gains and what it gives up, for the building, its street and its owner.


One clear recommendation

A written recommendation you can take to design, funding or approval.

Gold drawing of an architect's desk with a site plan, a sketchbook, a compass and a ruler

Who it is for

Heritage owners and investors

Heritage owners and investors

Heritage owners and investors

Families, endowments, institutions and investors deciding what a historic building should become.

Ministries and authorities

Heritage owners and investors

Heritage owners and investors

Bodies setting the future of heritage sites, streets and districts.

Lead firms

Heritage owners and investors

Lead firms

Architecture and engineering firms that need a heritage reading inside their bid.

Built on two published frameworks

Economic Blind Spots framework

Economic Blind Spots framework

Economic Blind Spots framework

2025

Opportunity costs, economic chains and alignment with leading regional sectors, illustrated through New Zealand cases. International Design Journal 15(6).

Prevailing Value System

Economic Blind Spots framework

Economic Blind Spots framework

PhD 2014 · published 2018

The community's prevailing value system as the context that shapes every other one, read first, before any use is chosen.

All our research

Economic Blind Spots framework

All our research

Every Rithu service stands on one of four published frameworks.

Research

Have a heritage building and a decision to make?

Request a first assessment

© 2026 Rithu for Heritage Conservation Consultancy · Founded by Dr. Hanaa Moosa · Cairo · CR 151830 · A path of conserving heritage


Rithu by Hanaa Moosa

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