SANS 10400-XA:2021 Compliance Report

1. Project & Competent Person

Project Information

Identifying details for the building and the competent person certifying compliance.

Type of project

Date

Street address

Erf description (SG diagram / title deed)

Client initials & surname

Client contact number

Report Prepared By

The competent person preparing this assessment, per Regulation A19 of the National Building Regulations.

Report Prepared By

Registration council

Registration number

Practice / firm

2. Location & Occupancy

Site Location

Start typing a town — energy zone, province, coordinates and SCCP status fill in automatically (389 towns from Annex C).

Town

Province

Energy zone

Longitude (°E)

Latitude (°S)

SCCP area (condensation)

Occupancy Classification

Determines the energy targets (Table 1 & 2) and lighting / hot-water requirements.

Class of occupancy

Design occupancy time

Design population

Max annual energy consumption

– kWh/m²/a

Max annual demand intensity

– VA/m²

Lighting power density limit

– W/m²

Suspended-floor R-value req.

– m²K/W

Storeys & floor areas

Net floor areas within the building envelope. Add a storey for each level (default is a single ground storey). Rename a level for basements, mezzanines, etc. Used for lighting density, energy targets and the fenestration ratio per storey.

Storey name	Livable area (m²)	Other areas (m²)
Total net floor area	0	0

Total net floor area

0 m²

Total energy budget

– kWh/a

Total demand budget

– VA

5.1 Orientation & 5.2 Shading

Building should face N-E, N or N-W for winter solar gain (except Zone 5H, which uses prevailing winds).

Building orientation (largest fenestration facade)

Shading projection multiplier (Table 3, by latitude)

Orientation result

—

5.2.2 — Shading projection P ≥ H × multiplier on West, NW, N, NE and East facades. Multiplier is set from the site latitude.

3. Lighting Power Density

6.2 Lighting Power Density

Aggregate connected lighting load ÷ net floor area must not exceed the Table 12 limit for the occupancy.

Description / area	Power (W)	Qty	Hrs/day	Sub-total (W)
Total connected lighting load				0

Max power density allowed

– W

Obtained power density

– W/m²

Lighting result

—

4. Hot Water Supply

XA2 / 6.1 Hot Water Supply

At least 50% (volume) of annual average hot-water heating shall be by means other than electrical resistance heating.

Primary heating method

% of annual hot water by non-resistance means

Hot-water usage category (Table 10)

Required storage (Table 10 × population)

Storage volume provided (L @ 60°C)

Hot-water pipe internal diameter

Pipe insulation R-value achieved (m²K/W)

Required pipe R-value (Table 11)

XA2 — ≥ 50% non-resistance hot water heating

—

6.1.1 — Minimum hot-water storage capacity (Table 10) Per-person 24 h storage × design population; solar systems 50% larger

—

6.1.6 — Hot-water pipe insulation (Table 11)

—

5. Air Conditioning

6.3 Air Conditioning (Table 13)

Minimum coefficient of performance for unitary & packaged equipment. Leave blank if not applicable.

Equipment type

Rated COP cooling

Rated COP heating

Result

—

6. External Walls

5.5 External Walls

Pick your wall construction — compliance is determined automatically against Table 6 (heavy ≥270 kg/m²) or Table 7 (light <270 kg/m²) for this energy zone.

Wall construction

Surface density

–

Zone requirement

–

Achieved

–

5.5 — External wall thermal performance

—

7. Floors

5.4 Floors

Suspended floor in the envelope: Zones 1,2,6,7 → R 1.5; Zones 3,4,5,5H → R 1.0. Underfloor heating → min R 1.0. Slab on ground with no heating has no R-value requirement.

Floor type

Underfloor heating installed?

Insulation

Required insulation R-value

5.4 — Floor insulation

—

8. Roof & Ceiling Assembly

5.6 Roof & ceiling assembly (Table 8)

Build the whole roof element. The roof type sets the base R of the cladding, air space, ceiling and air films; then add insulation and (optionally) reflective foil. Total R-value, compliance and the thickness needed update automatically. Minimum total R is 3.7 m²K/W (2.7 for Zone 5H).

Roof type

Added insulation

Insulation thickness (mm)

Reflective foil

Zone requirement

–

Base assembly R

–

Insulation R

–

Total R-value

–

5.6 — Roof assembly thermal performance

—

9. Fenestration

5.3 Fenestration Designer (Table 4)

Add each window/door by storey, orientation, size and glazing type. The tool computes the area-weighted U-value & SHGC per storey, checks N/E facades (5.3.4) and S facades (5.3.5) separately, and tells you exactly what to change if non-compliant. Shading (clause 5.2.2): enter the overhang projection P and height H (see Figure 4) — the tool checks P ≥ H × multiplier and applies the relaxed SHGC limit when shaded. Net floor area per storey comes from the Location tab.

Storey	Orient.	Ref	Qty	W (m)	Ht (m)	Area	Glazing type	U	SHGC	P (m)	H (m)	Shaded?

10. Sky Lights

5.3.8 Roof Lights / Skylights (Table 5)

≤1.5% of served floor area = any solution. Above that, U-value & SHGC limits tighten with ratio. Leave blank if there are no skylights.

Roof light area (m²)

Floor area served (m²)

Ratio

Requirement

Achieved U-value (W/m²K)

Achieved SHGC

Result

—

11. Building Sealing

5.7 Building Sealing

Confirm sealing measures (informational checklist).

Summary report — SANS 10400-XA:2021 (ed. 2)

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Overall

Project & site

Energy Targets

Deemed-to-Satisfy Compliance Clauses 5 & 6

Signature

Date

This report is a design-stage guideline tool. SANS 10400-XA:2021 and the National Building Regulations always take precedence. Generated for the competent person's assessment — not a substitute for certified thermal calculation software where clause 4.2/4.3 routes are used.