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Croydon's Leading SAP Calculations Providers

Fast, proven and accurate SAP calculations provided across Croydon and London

When constructing a new property, be it for domestic or commercial purposes, even if it's a passivhaus dwelling in Croydon or London, the most crucial step is to commission dependable and precise SAP calculations. These calculations guarantee compliance with present building codes.

At Tophouse Assessments Ltd, we specialise in proven, fast and cost effective SAP calculations based around each Croydon and London's client's individual needs and the specifications of the building project. Call us today on 01634 799115 for free and honest advice and a no obligation quotation at your convenience. 

A wide range of build projects covered

We provide private clients, architects, designers and building companies from across Croydon and London with the very best and most accurate SAP calculations for a range of building projects, including:

  • Refurbishments
  • New build properties
  • Property extensions
  • Loft conversions
  • Highly glazed extensions

If you're working on a building project, you need SAP Calculations

Receive a complimentary consultation where we will go over your project requirements and provide thorough guidance on adhering to the latest L1A and L1B building regulations. We understand that complying with Part L of the building regulations can be challenging, but our goal is to assist you every step of the way.

We could save you thousands!

There are many SAP calculation providers across the UK that offer cheap calculations that might be quick and easy but aren't optimised for all current building regulations. Typically they then cost the building company or client thousands of pounds in unneeded expenditure on;

  • MHVR systems
  • Solar panels
  • Unrealistic air test targets
  • Log burning fires
  • Extra insulation

We specialise in offering trusted and excellent SAP calculations to help building companies, architects, designers, and private clients comply with current building regulations. Our services cover Croydon and the South East as we operate from our base situated just outside London.