River Lake specialises in the production of agency, landlord & tenant, management and rating software for the UK commercial property profession.

Our detailed knowledge of the commercial property sector and collaboration with major UK property owners and agents ensure that River Lake products are ideally suited to your needs.

Our systems are fully integrated with other Microsoft Office and do not require any sophisticated network or expensive computer equipment on which to run.

Our philosophy is to provide quality software solutions continually updated to meet your changing requirements


The Agency system incorporates a database of client, occupier, property and applicant information.

Properties being marketed by other agents and other agents' client's requirements can be held. Requirements can be specified in terms of tenure, size, multiple locations and property types. Matching is automatic providing you with a pick list of properties, details of which can either be sent or emailed.

Detailed property particulars can be printed by the system including floor areas, features and digital photographs.

All interest shown in the property can be tracked from viewings and offers made through to the final deal.


The Manage system incorporates a database of client, property and lease information.

The system provides full rental accounting with rent projections and demand generation. Adjustments to the rent at lease start, on vacate and following rent review are automatically implemented and demanded. Tenant arrears can be easily monitored, debts chased and interest on arrears calculated.

The service charge module allows both on account and in arrears collection of charges. Multiple reconciliation periods are provided producing tenant statements, balancing charges and an analysis of irrecoverable costs.

Full client accounting provides multiple statement formats with sophisticated client bank account controls.


The Professional system incorporates a database of client, occupier, property and lease information.

You can report on forthcoming lease events and generate letters to occupiers pitching for the business.

Jobs can be raised for any type of professional work. Job progress can be tracked and time spent on each stage recorded. Potential fees are calculated and invoices generated.

Specialised job screens for rent review and lease renewal track the key dates involved in these processes via an integral diary. Counter notices and letters to the landlord or tenant can automatically be produced.


The Rating system incorporates a database of client, hereditament and rating authority information.

Rates liability is calculated with the effects of material change, splits, mergers and reconstitutions all being handled. Liability projections for the 2017 List can be calculated based on your estimates of inflation. 

Proposals can be raised, their progress tracked via an integral diary and settlement details recorded. The effects on liability of the proposal are automatically calculated providing you with savings and refund estimates.

Rates and BIDS bills can be approved and payments made through the system with comprehensive tracking and banking functions


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