Gentium Advisers Land Economists

London · Manama

Clear, independent research for investors in UK property.

Before you commit capital to a UK home, portfolio or development, we inform you of what it is really worth, how bumpy the ride could be and what could go wrong. Fixed fees, plain English and nothing to sell you.

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Latest research · October 2026

More homes or more buyers? UK vs Dubai residential demand to 2035

Homes built against homes needed in both markets and what that means for prices, rents and capital growth over the next ten years.

UK (England)
1.5m short
homes needed but not built by 2035
Dubai
52,000 spare
more homes than needed by 2029

England stays short of homes all decade. Dubai faces a crowded 2027 to 2029, then balance.

Download free report PDF

Based in London & Bahrain, serving investors from the Gulf, India, South East Asia, China, the USA & the European Union

GCC · India · Singapore · Malaysia · Hong Kong · China · USA · European Union

Who we work with

Independent, whoever commissions us

We work for investors and for developers, but never for both sides of the same scheme. Our method and our numbers are the same whoever pays and every report says who commissioned it.

Buy side

Buying or investing

For family offices, high-net-worth individuals (HNWIs), private banks and wealth managers. Independent reviews and research before you commit capital.

  • Off-plan and deal reviews
  • Market and city comparisons
  • The International Investor’s Guide
See buy-side reports

Sell side

Developing or selling

For developers, landowners and development partners. The economic case for a scheme across residential, commercial, industrial, leisure and mixed use.

  • Market and economic profiles
  • Viability and best use
  • Pricing and absorption
See sell-side reports
Buy side For investors and buyers

Know what you are buying before you commit

Every engagement is scoped in a short letter with a fixed price. Half on instruction, half on delivery.

Independent deal review

A second opinion on one property or development before you sign: what it is really worth, the rent it can earn, the risks and a clear summary of the findings.

From £1,999

Download sample PDF

Commissioned research

A report on the market question you need answered, such as London against Manchester or the UK against Dubai. Also available quarterly as The International Investor’s Guide to UK Property: a free summary for investors or the full report licensed to your firm.

From £3,000

Sell side For developers and landowners

The economic case for your scheme

Evidence that investors, lenders, planners and buyers will believe: who will occupy it, how fast it will let or sell, at what price and whether the numbers work. In the UK and the GCC.

Market and economic profile

Who will buy or rent, how fast and at what price: local demand, the competing pipeline and expected take-up. Can be supplied as a labelled report for your sales team to share with international buyers.

From £6,000

Download sample PDF

Viability and best use

The mix of uses and unit sizes that makes the site worth most, with the residual land value it supports and tests on price, cost and timing.

From £5,000

Download sample PDF

Pricing and absorption strategy

A pricing ladder, release phasing and expected sales or letting pace, so the scheme sells without leaving money on the table.

From £5,000

Download sample PDF

Residential, commercial, industrial and leisure schemes in the UK and the GCC. Larger schemes are priced on scope. Capital raising and formal valuations stay with licensed advisers and RICS Registered Valuers.

How it works

  1. 1 Tell us the question A free 30-minute call, in person in Bahrain or by video.
  2. 2 Agree a fixed fee A one-page letter setting out scope, price and delivery date.
  3. 3 We research and write Published data, our own modelling and sources you can check.
  4. 4 We walk you through it A call to go over the findings and answer your questions.

Research

Free reports, written for investors

Plain English on the front pages, the full mathematics in the appendix.

New · October 2026 · 4 pages

More homes or more buyers? UK vs Dubai residential demand to 2035

Homes built against homes needed, the supply pipeline and what it means for prices, rents and capital growth to 2035.

Download PDF
October 2026 · 3 pages

Smooth road or bumpy track? UK vs Dubai property

Return against volatility, with and without a mortgage, 2016 to 2035.

Download PDF
Forthcoming

London or Manchester? Return per unit of risk

The same Sharpe ratio method, applied to the two cities Asian and Gulf buyers ask about most.

[Publication date]

Sample reports

What a commissioned report looks like. Schemes are anonymised; the market data is real.

Buy side · Manchester

Off-plan purchase review

A £375,000 two-bed flat in a city centre tower: value against resale evidence, gross and net yield, mortgage at completion and deposit risk.

Download sample PDF
Sell side · Sheffield

Market and economic profile

A 169-flat city centre tower: what the flats are worth, buyer and rental demand, livability, competing supply and sales value.

Download sample PDF
Sell side · Manchester

Viability, pricing and absorption

A 0.4 hectare city centre car park: which of five schemes makes the land worth most, what moves that value, rents, investor pricing and sales pace.

Download sample PDF
Get new research by email One email when a report is published. No other mail.
30+
years in UK property and finance
8
international markets worked in

About

John Florey

Director · BA (Cantab), LLB (Lond), MBA (Imperial)

Gentium Advisers is led by John Florey, a land economist from the University of Cambridge who also holds a law degree from the University of London and an MBA from Imperial College of Science, Technology & Medicine.

John began his career as a planning and development surveyor in Mayfair, then managed a holding company with more than 350 residential units in South Kensington. He went on to spend two decades in corporate finance, private equity and cross-border joint ventures, including ten years linking Chinese investors with UK companies.

Based in Bahrain since 2018, he now advises Asian and Gulf investors on UK property, combining land economics with specialist property finance.

  • CPSPF, Certified Practitioner in Specialist Property Finance, LIBF (2026)
  • CeMAP, LIBF (2020)
  • RERA Bahrain Real Estate Licence (2025)
  • Member, The London Institute of Banking & Finance

Where a client needs a UK mortgage, John also acts as a consultant to Opes Financial Partners, a mortgage intermediary in Knightsbridge. Any referral or fee is disclosed in writing before you proceed.

Commission a report

What do you need to know?

Send a short brief and we will reply within two working days with a suggested scope and a fixed fee.

johnflorey@gentiumadvisers.com
+973 3743 8211