Victorian Terrace Experts • Party Wall Specialists • 48-Hour Turnaround
Get a Fixed-Price Quote >A typical residential structural inspection in South West London ranges between £400 and £700. For full calculation packages (e.g., for loft conversions or side-return extensions), fees typically range from £900 to £2,000 depending on property complexity and the borough’s planning requirements.
In boroughs like Wandsworth and Lambeth, space is at a premium. We specialise in complex steel designs for Victorian terrace “side return” extensions—the narrow alleyway beside your kitchen. These require intricate beam arrangements to create open-plan living without compromising structural integrity.
Most London terrace alterations trigger the Party Wall etc. Act 1996. We handle all structural details needed for the Party Wall Award, including method statements and temporary works sequences, ensuring smooth approval with your neighbours.
London councils increasingly require a Basement Impact Assessment (BIA) before granting planning for basement conversions. We prepare these assessments, covering hydrology, structural methodology, and impact on neighbouring properties—a specialism many engineers lack.
Full structural assessment, RSJ design, and Building Control submission for internal wall removals across South West London boroughs.
Precise steel beam sizing for open-plan conversions, loft strengthening, and structural alterations. Specialist experience with Victorian and Edwardian terraces.
Full basement conversion design including underpinning, tanking, and Basement Impact Assessments for London council submissions.
Complete structural packages for rear extensions, side returns, wraparounds, and mansard loft conversions across Wandsworth, Lambeth, and beyond.
| Service Type | Starting From | Typical Turnaround |
|---|---|---|
| Structural Site Visit | £400 | 24–48 Hours |
| Single Beam Calculation | £500 | 48 Hours |
| Full Design Pack | £900 | 3–5 Working Days |
| Basement Impact Assessment | £1,200 | 5–10 Working Days |