Common Reasons Bills Are Reduced at Detailed Assessment
- 3 hours ago
- 2 min read

Bills of Costs are frequently reduced during detailed assessment proceedings.
Whilst every case turns on its own facts, certain issues arise repeatedly and often result in significant reductions.
Understanding these common areas of challenge can assist paying parties in identifying opportunities to reduce exposure and strengthen their negotiating position.
For insurers, local authorities, businesses and defendant solicitors, early analysis can often make a substantial difference to the final outcome.
Why Do Bills Get Reduced?
The court will generally consider whether costs were:
reasonably incurred
reasonable in amount
proportionate to the matters in issue
Where costs fail to satisfy these requirements, reductions may follow.
In many cases, the dispute is not whether work was undertaken, but whether the amount claimed is recoverable.
Excessive Hourly Rates
Hourly rates remain one of the most common areas of challenge.
Issues frequently arise where:
rates exceed guideline levels
complexity does not justify the rate claimed
fee earners lack appropriate seniority
geographical factors are disputed
Even relatively modest reductions in hourly rates can significantly affect the overall bill.
Duplication of Work
Paying parties frequently challenge:
multiple fee earners attending the same conference
duplicated correspondence
duplicated attendance notes
overlapping responsibilities
The court may reduce costs where duplication cannot be justified.
Disproportionate Costs
Proportionality remains one of the most significant issues in modern detailed assessment. Even where individual items appear reasonable, the court may consider whether the overall costs claimed are proportionate to:
the value of the claim
complexity
importance of the matter
wider litigation factors
Significant reductions can arise where costs are considered disproportionate.
Excessive Time Claimed
Challenges often arise where:
attendances appear lengthy
routine tasks attract substantial time
correspondence time appears excessive
preparation exceeds what might reasonably be expected
Careful analysis frequently identifies opportunities for reduction.
Counsel's Fees
Counsel's fees regularly attract scrutiny. Common issues include:
unnecessary attendance
excessive brief fees
duplication with solicitor work
disproportionate conference costs
These items can often represent substantial areas of exposure.
Expert Fees
Paying parties may challenge expert costs where:
the expert was unnecessary
the number of experts is disputed
fees appear excessive
the work undertaken exceeds what was required
Expert costs can become particularly significant in higher-value litigation.
Procedural and Technical Issues
Reductions sometimes arise because:
procedural requirements were not satisfied
documents were not served correctly
costs schedules contain deficiencies
supporting material is incomplete
Technical issues can occasionally provide additional grounds for challenge.
The Importance of Early Analysis
Many opportunities for reduction are identified long before a detailed assessment hearing. Early review can assist with:
settlement negotiations
Points of Dispute
costs exposure analysis
proportionality arguments
reserve setting
This often improves commercial outcomes and reduces unnecessary expenditure.
How SPH Costs Assists
SPH Costs acts for:
insurers
local authorities
defendant solicitors
businesses
paying parties nationwide
We regularly assist with:
Bill reviews
Points of Dispute
proportionality challenges
detailed assessment proceedings
negotiation strategy
exposure reduction
Speak to a Paying Party Costs Specialist
If you have received:
a Bill of Costs
Notice of Commencement
Points of Dispute deadlines
detailed assessment proceedings
SPH Costs provides specialist paying party costs support across England & Wales.




