CheckDamp UK Logo
UK Damp Risk IndexCHECKDAMP.CO.UK
Metropolitan Housing Condition Report • 2026

Birmingham Damp & Mould Risk

Analysis across 47 postcode districts and 481,321 surveyed homes. Evaluates Victorian solid-wall housing density (22.2% solid masonry), EPC energy inefficiency, and winter condensation risks across Birmingham.

Avg Risk Score28 / 100City-Wide Benchmark
Solid Wall Density22.2%20.7% Pre-1930 builds
Poor EPC (E-G)17.9%High condensation risk
Highest Risk DistrictB21 (58)Mid-Terrace

Birmingham Postcode Districts (47)

Browse local damp vulnerability metrics, solid-wall housing distribution, and surveyor quotes.

B1
6.4% Solid • Moderate
Low18/100
B10
55.6% Solid • Severe
High56/100
B11
58.6% Solid • Severe
High57/100
B12
33.6% Solid • Moderate
Moderate38/100
B13
35.4% Solid • Moderate
Low34/100
B14
21.6% Solid • Moderate
Low30/100
B15
10.1% Solid • Moderate
Low18/100
B16
33.5% Solid • Moderate
Low33/100
B17
35.4% Solid • Severe
Moderate35/100
B18
32.8% Solid • Moderate
Moderate36/100
B19
32.4% Solid • Moderate
Moderate37/100
B2
17.1% Solid • Moderate
Low29/100
B20
42.3% Solid • Moderate
Moderate40/100
B21
62.5% Solid • Severe
High58/100
B23
27.4% Solid • Moderate
Low31/100
B24
26.6% Solid • Moderate
Low29/100
B25
34.1% Solid • Moderate
Moderate40/100
B26
11% Solid • Moderate
Low17/100
B27
32.6% Solid • Moderate
Moderate35/100
B28
17% Solid • Moderate
Low23/100
B29
31.6% Solid • Moderate
Low33/100
B3
8.7% Solid • Moderate
Low23/100
B30
34.7% Solid • Moderate
Moderate35/100
B31
10.7% Solid • Severe
Low17/100
B32
7.6% Solid • Severe
Low19/100
B33
11.9% Solid • Moderate
Low22/100
B34
6.8% Solid • Moderate
Low19/100
B35
5.1% Solid • Moderate
Low17/100
B36
7.5% Solid • Moderate
Low19/100
B37
5% Solid • Moderate
Low14/100
B38
6.9% Solid • Moderate
Low18/100
B4
9.3% Solid • Moderate
Low25/100
B42
10.8% Solid • Moderate
Low19/100
B43
8.1% Solid • Moderate
Low24/100
B44
12.4% Solid • Moderate
Low23/100
B45
6.1% Solid • Severe
Low18/100
B5
7.7% Solid • Moderate
Low20/100
B6
45.9% Solid • Moderate
Moderate50/100
B62
5.6% Solid • Severe
Low6/100
B7
9.4% Solid • Moderate
Low20/100
B72
21.8% Solid • Moderate
Low24/100
B73
20.4% Solid • Moderate
Low23/100
B74
12.5% Solid • Moderate
Low15/100
B75
10.6% Solid • Moderate
Low14/100
B76
8.2% Solid • Moderate
Low12/100
B8
45.4% Solid • Moderate
Moderate46/100
B9
45.1% Solid • Moderate
Moderate45/100

Birmingham Housing Architecture & Damp Dynamics

Birmingham possesses an extensive heritage of late 19th and early 20th-century housing, largely developed during the industrial expansion of the Midlands and North West. Properties built before 1930 were traditionally constructed with solid brick masonry (9-inch or 13.5-inch headers) without a damp-proof cavity.

In districts such as B21, over 69.3% of homes retain these solid exterior walls. When combined with modern airtight uPVC double glazing without continuous trickle ventilation, moisture generated by occupants remains trapped indoors, rapidly condensing on chilled solid masonry and fueling black mould blooms (*Stachybotrys chartarum*).

High Risk Hotspots (Birmingham)

Postcodes like B21 require active mechanical ventilation (MEV or PIV systems) and regular exterior masonry repointing to prevent penetrating rainwater ingress.

Lower Vulnerability Zones (Birmingham)

Districts like B62 (Score: 6/100) feature modern post-1980 cavity wall construction with integrated thermal insulation and effective vapor barriers.

Independent Surveyor Network • B21
PCA & RICS Accredited•Unbiased Diagnosis (No Sales Commission)
100% Free & No-Obligation

Get an Independent Damp & Timber Survey Quote

Need a definitive diagnosis for buying a property, mortgage lender retention, or persistent black mould? Get transparent fixed-fee quotes from vetted, insured damp surveyors in Birmingham (B21).

1Survey Needs
2Contact Details