Specialist assessments for every block type.
When a block is underinsured, the average clause reduces every claim - and every leaseholder shares the consequence. A specialist assessment establishes the correct declared value and protects all parties under the policy.

Specialist Reinstatement Cost Assessments for blocks of flats across the UK.
Why block assessments are complex.
Blocks of flats involve cost elements that generic calculators and market-value approaches overlook entirely. Shared structures, communal services and leaseholder obligations create a unique risk profile that requires specialist assessment.
- 01Shared structures: External fabric, roof, foundations and structural elements shared between all leaseholders must be valued at full rebuild cost, not apportioned.
- 02Communal services: Lifts, boiler plant, communal lighting, entry systems and shared M&E infrastructure all carry reinstatement costs that generic tools miss.
- 03Leaseholder obligations: A wrong declared value triggers the average clause and reduces every leaseholder's claim, not just the freeholder's. The legal exposure falls on whoever arranged the insurance.
What's Included in a Block Assessment
- Full structural reinstatement cost - walls, roof, foundations, external fabric
- Communal areas and shared circulation space
- Lifts, plant rooms and shared M&E services
- Professional fees - architects, engineers, project managers
- Demolition and site clearance costs
- VAT correctly applied to each element
- BCIS-indexed figure with annual uplift schedule
- Broker-ready report in 24 hours
What we assess.

Purpose-built apartment blocks
Modern and traditional flat developments across the UK, assessed to current BCIS construction cost indices.
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Converted houses
Victorian and Edwardian houses converted into flats. Shared areas, services and original fabric all require assessment.
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Mansion blocks
Large-scale residential buildings with multiple units and extensive communal facilities.
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Mixed-use developments
Buildings with residential flats above commercial or retail premises. Residential and commercial elements itemised separately for correct VAT treatment and service-charge recharging.
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Leasehold estates
Multiple buildings on a single estate under common management or ownership, with a consolidated portfolio schedule.
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Portfolio instructions
Multiple blocks assessed under a single instruction with individual reports and a consolidated schedule. Staggered scheduling keeps all blocks on a compliant review cycle simultaneously.
Learn moreManaging multiple blocks? Our portfolio assessment service covers all properties under a single instruction with a consolidated compliance schedule.
Pick the assessment that fits your property.

01. Desktop
RICS RegulatedDesktop Reinstatement Cost Assessment
BCIS-indexed rebuild cost modelling without a site visit. Delivered within 24 hours of instruction. Accepted by all UK insurers.
- RICS-regulated, broker-ready report
- BCIS-indexed rebuild cost modelling
- Delivered within 24 hours of instruction
- Accepted by every UK insurer
Listed or non-standard property? An On-Site Survey may be required instead.

02. On-Site
RICS RegulatedOn-Site Rebuild Cost Assessment
A RICS surveyor attends in person for full measurement and construction analysis. Required for listed, heritage and complex buildings.
- RICS-regulated, broker-ready report
- Surveyor attends in person, full measurement
- Required for listed, heritage & complex buildings
- The insurer-preferred option for high-value risk
- Accepted by every UK insurer
Managing more than one property? Ask about the 3-Year Protection Plan.

03. Recommended
RICS Regulated3-Year Reinstatement Cost Assessment Plan
One instruction covers three years of RICS compliance — full Reinstatement Cost Assessment in year one, annual BCIS-indexed renewal reports before each renewal date.
- RICS-regulated, broker-ready report
- Full assessment year one, indexed updates years two & three
- One instruction, one invoice - no re-instructing
- The preferred choice for agents & portfolio landlords
- Accepted by every UK insurer
Saves the cost and admin of re-instructing every year.
Common questions.
Common questions about Reinstatement Cost Assessments for blocks of flats.