Oliver De Wan
Managing Director
With over 10 years experience in the property industry and as Co-Founder and Director of Sennia Group, Oliver leads the team in identifying high-potential…
Capital market investments · land · capital advisory · commercial leasing
Transacted in excess of£150m of stock in 2026
We are an investment and development consultancy which specialises in the acquisition and disposal across all asset classes. With over 65 years of combined experience in the property industry, our team brings unparalleled knowledge and skill to every transaction.
CambridgeBulk purchase of 31 new build houses off a national housebuilder, GDV of £23m
WalthamstowConsented development opportunity for 20 apartments within a listed building, GDV of £12,500,000
IslingtonMixed-use investment in Prime London comprising 18 apartments and associated commercial use, GDV of £20m
South East LondonSuccessful refinance of a large office building with consent for a 150-unit build-to-rent scheme, £5,000,000 bridging loan
KentPermitted development opportunity for 66 apartments, GDV of c. £16,500,000
- Mixed-use Investments
- Bulk New Build
- Consented schemes
- Unconsented Land
- Portfolios
- Multi-let industrial
- Capital Advisory
Who we are
About our company
We are an investment and development consultancy which specialises in the acquisition and disposal across all asset classes. With over 65 years of combined experience in the property industry, our team brings unparalleled knowledge and skill to every transaction.
Terrace acquisition
Hackney
Terrace of 6 vacant houses, GDV of c. £5m
Acquired on behalf of a Family Office
Essex
Bulk purchase of 19 new build houses off a national housebuilder.
GDV of c. £13,500,000
Acquired on behalf of a private investor
Ingatestone
Mixed-use investment comprising 7 apartments and ground floor retail use.
GDV of c. £2,000,000
Team
Meet our Team
Stephanie Lazarou LLB
Operations Director
Stephanie is the driving force behind Sennia Group's operational strategy as Co-Founder with a focus on efficiency, innovation, and growth. Blending extensive…
Alex Hogge BSc
Director
Alex's career has been spent in land and investment agency, focusing on London and the Home Counties. His first venture into the property industry was working…
Stuart Hawes
Acquisitions Manager
With over 17 years of property experience, working for a range of companies from large corporates to small boutique agencies, Stuart has a wealth of knowledge…
Umed Sharifi
Head of Private Office
Umed has specialised in selling luxury properties in prime central London since 2013. Through a bespoke service and unwavering attention to detail, he has…
Elizabeth Murray
Investment and Development Consultant
Elizabeth brings 4 years of experience in the New Build Development sector to Sennia Group. Having worked closely with both clients and developers she has…
George Gough BSc (Hons)
Development Surveyor
George joined the Sennia Team after graduating with a BSc in Real Estate from Oxford Brookes University. He brings a broad range of experience across multiple…
We've worked with Ollie and his team for several years on multiple investment and development opportunities across all asset classes. Their honest approach and exceptional due diligence stand out. This is one of our strongest and most trusted partnerships — we are the Ireland office of Sennia Group. We look forward to many more years together.
Testimonial from Ciaran Toman: We've worked with Ollie and his team for several years on multiple investment and development opportunities across all asset classes. Their honest approach and exceptional due diligence stand out. This is one of our strongest and most trusted partnerships — we are the Ireland office of Sennia Group. We look forward to many more years together.
What we stand for
Sennia Group's Ethos
01
Integrity
We give clear, commercially grounded advice and do what we say we will do. Our advice is underpinned by evidence, our terms are transparent, and we protect our clients' interests throughout every stage of a transaction.
02
Relationships
Our business is built on long-standing relationships with investors, developers, landowners, occupiers and professional advisers. We create the right introductions, maintain confidentiality and ensure every opportunity reaches the right decision-makers.
03
Deliverability
We focus on transactions that can be delivered, not simply marketed. From identifying the right investment or development opportunity through to negotiation and completion, we combine market knowledge with a practical understanding of funding, planning and value to drive transactions forward.
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