Recent Projects
SAP calculations, EPCs, overheating assessments and on-site testing we have carried out recently. Client names and addresses are left out.
Recent Projects
A selection of our jobs since January 2026, newest first. We keep every project on this page, so you can see the range of work we do: SAP calculations and EPCs, SBEM, overheating, water calculations, energy statements, and air, sound and ventilation testing. Client names and addresses are left out.
September 2026: Nine new flats, Tunbridge Wells, Kent
Design-stage SAP calculations for nine new flats of 39 to 73 m², all with electric heating, ready for building control before work starts.
September 2026: Five-flat conversion, Whetstone, north London
As-built SAP calculations and EPCs for five flats of 51 to 66 m². All five rated C (69 to 73), with the EPCs lodged for completion.
September 2026: Six new apartments, Charlton, south-east London
Design-stage SAP calculations for six apartments of 60 to 107 m², heated by gas combination boilers, for building control approval.
September 2026: Conversion to five flats, Southampton city centre
Air tightness and sound testing before completion. All five air tests passed first time, at 3.15 to 7.77 m³/(h·m²) against a target of 8. All four airborne sound tests passed, at 45 to 56 dB against a minimum of 43 dB, including the two between the commercial unit and the flats.
August 2026: Conversion to three flats, Guildford, Surrey
As-built SAP calculations for building control on three flats of 57 to 87 m². All three rated C (72 to 75).
August 2026: Three new terraced houses, Slough
Part O overheating assessment by the simplified method. The design passed, so no dynamic model was needed.
July 2026: Conversion to four flats, Southall, west London
As-built SAP calculations using the measured air test results of 4.0 to 4.83 m³/(h·m²). The four flats rated 75 to 82 (C and B).
July 2026: Two-flat conversion, Hayes, west London
As-built SAP calculations for two flats of 52 and 123 m². Rated B (81) and C (77).
July 2026: Office building, Bracknell, Berkshire
SBEM model and commercial EPC for an air-conditioned office building. Rated C (72).
July 2026: Barn conversion, Chorleywood, Hertfordshire
As-built SAP calculation and EPC for a barn converted into a 268 m² home.
June 2026: House conversion, Romford, Essex
As-built SAP calculation for a 192 m² home. Rated A (100).
June 2026: Flat conversion, Holloway, north London
As-built SAP calculation for a 73 m² flat. Rated B (87).
June 2026: Conversion, Gillingham, Kent
As-built SAP calculation for a 113 m² home. Rated C (75).
May 2026: New home, near Bicester, Oxfordshire
As-built SAP calculation and EPC. Rated A (93), with carbon emissions 71% below the Part L target.
April 2026: Five new homes, Croydon, south London
Design-stage SAP calculations for five new homes. All five rated B (81 to 86), with carbon emissions below the Part L target on every home.
March 2026: Three new homes, Potters Bar, Hertfordshire
Design-stage SAP calculations for three new homes. All three rated B (87), with carbon emissions about half the Part L target.
February 2026: Four-flat conversion, Tooting, south London
As-built SAP calculations for four flats of 40 to 93 m². Rated 79 to 81 (C and B).
February 2026: Care home, Welwyn, Hertfordshire
Commercial EPC for a 3,077 m² residential care home. Rated B.
January 2026: New flat, Wimbledon, south-west London
Design-stage SAP calculation for a new flat. Rated B (84), with carbon emissions 38% below the Part L target.
January 2026: New home, Ilford, Essex
As-built SAP calculation and EPC for a new home. Rated C (80), passing the Part L carbon target.
January 2026: Two new flats, Cricklewood, north-west London
Part G water calculations for two flats: 102.1 litres per person per day, inside both the 125 litre limit and the 110 litre optional requirement.
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