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…
Acquisitions · Disposals · Corporate Leasing
Transacted on over£75M of stock in 2026
We are an investment and development property company which specialises in the acquisition and disposal across all asset classes. We are also cash funded to purchase unconditional sites as principal. 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
HackneyTerrace of 6 vacant houses, GDV of c. £5m
Then we fund it, consent it and deliver it.
- £34.25m
- Housing stock in legals
- 15–150
- Units per scheme
- 6 mths
- Ability to exchange
- 100%
- Privately funded
- Consented schemes
- Unconsented land
- Unbroken freehold blocks
- Bulk new build
- Mixed-use investments
- Multi-let industrial
- Subject to planning
- Vacant possession
Who we are
About our company
We are an investment and development property company which specialises in the acquisition and disposal across all asset classes. We are also cash funded to purchase unconditional sites as principal. With over 65 years of combined experience in the property industry, our team brings unparalleled knowledge and skill to every transaction.
Completed refinance of our client's BTR development
South East London
Sennia Group arranged the successful refinance of a large office building in South East London with planning consent for its redevelopment to provide a 150-unit build-to-rent scheme.
£5,000,000 bridging loan
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 say what we mean and do what we say. Terms are written plainly, funding is evidenced up front, and we do not revisit a deal on the back of a valuation or a lender instruction.
02
Relationships
We work with the same agents, vendors and investors year after year. Introductions are protected, fees are agreed, and every transaction is handled with the discretion the asset deserves.
03
Deliverability
We only bid what we can execute. Equity is in place before we offer, legals are instructed immediately, and our timelines are built to exchange — not to keep a site warm.
Submit a site
Send it over. You'll get a straight answer.
An address, a plan and a price expectation is enough to start. We acknowledge every introduction, confirm fees in writing, and treat off-market information as confidential.
- Telephone
- 0203 823 3851
- Office
- 7 Bath Place
London EC2A 3DR - Follow