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SB

S.D.C. BUILDERS LIMITED

Bedford
Large

S.D.C. Builders Limited is a leading main contractor specializing in the design and construction of high-quality buildings across various sectors, including education, healthcare, and science & technology.

sdc.co.uk ↗

Summary from the supplier’s website — unverified

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Awarded
£20.9m
Live
5
Buyers
6
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities3
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts5 / 13
  • Top buyers6
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — S.D.C. BUILDERS LIMITEDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

S.D.C. BUILDERS LIMITED has won £20.9m across 6 public-sector buyers, with 5 live contracts. No active Companies House risk flags.

Why: top buyer Cambridgeshire County Council at 80% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
5 of 13Live contracts
80%Top-buyer concentration
—Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Sectors served · 2/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 2
Main ContractingDesigning and building high-quality buildings.
RefurbishmentComprehensive refurbishment of existing structures.
Frameworks & DPS · 3 from notices
  • Cambridgeshire County Council Design & Build Contractor Framework 2021Cambridgeshire County Council · £16.7m
  • FM18195 - R92 Laboratory Extension at STFC Rutherford Appleton Laboratory Invitation to Quote ITQUK SHARED BUSINESS SERVICES LIMITED · £1.5m
  • CON20003 - R9 Gas Detector Laboratory Relocation at Rutherford Appleton LaboratoryUK SHARED BUSINESS SERVICES LIMITED · £256k

Extracted automatically from sdc.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 2

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
St Edmund HallThis project involves the demolition of existing buildings and construction of new student accommodation buildings designed to Passivhaus standards. ↗The Workshop ProjectA comprehensive refurbishment of a Victorian workshop, restoring historic features while modernizing the building for flexible use. ↗

Extracted automatically from sdc.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 5 live · 8 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
UKAEA Culham Campus Refurbishment of K1 Foyer
Ukaea United Kingdom Atomic Energy Authority4526269012 Dec 2024£684k6 moClosed
UKAEA CULHAM CAMPUS REFURBISHMENT OF BUILDING K1 GROUND FLOOR OFFICES
Ukaea United Kingdom Atomic Energy Authority4521000006 Apr 2024£450k—Closed
Cladding Cavity Fire Barriers
UK SHARED BUSINESS SERVICES LIMITED4526265026 Oct 2022£20k2 moClosed
CBC-1212-T-CE Construction Framework - AWARD
Central Bedfordshire Council4521000008 Mar 2022—4 yrsClosed
Cambridgeshire County Council Design & Build Contractor Framework 2021
Cambridgeshire County Council4500000001 Nov 2021£16.7m3 yrsClosed
CON20003 - R9 Gas Detector Laboratory Relocation at Rutherford Appleton Laboratory
UK SHARED BUSINESS SERVICES LIMITED4500000029 Jun 2020£256k2 moClosed
FM18195 - R92 Laboratory Extension at STFC Rutherford Appleton Laboratory Invitation to Quote ITQ
UK SHARED BUSINESS SERVICES LIMITED4500000009 Jan 2019£1.5m4 moClosed
UK SBS CON16005 Construction of South Wing Extension Invitation to Quote ITQ
UK SHARED BUSINESS SERVICES LIMITED4500000001 Aug 2016£1.3m11 moClosed
Major Construction Works Framework
THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE45210000———Live
Minor Construction Works Framework
THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE45214000———Live
Total live value — · mean award £1.6m1–10 of 13

Top buyers · 6 buyers · top 3 = 100%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Cambridgeshire County Council
2 contracts
80%
since 2021
2
UK SHARED BUSINESS SERVICES LIMITED
4 contracts
15%
since 2016
3
Ukaea United Kingdom Atomic Energy Authority
2 contracts
5%
since 2024
4
Central Bedfordshire Council
2 contracts
0%
since 2022
5
THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE
2 contracts
0%
6
SATELLITE APPLICATIONS CATAPULT LIMITED
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Eastern6 contracts
84%
South West4 contracts
16%
South East1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). S.D.C. BUILDERS LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
LP
LOVELL PARTNERSHIPS LIMITED
No£140.0m1
JS
John Sisk and Son Ltd
No£67.8m1
KC
Kier Construction
Yes£35.4m2
WD
Willmott Dixon Construction Limited
No£28.1m2
CC
Clegg Construction Limited
No£18.8m2
SB
S.D.C. BUILDERS LIMITED
No——
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 30 Sept 2025
Confirmation statement
Up to date
Next due 16 Jan 2027
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
01251716
Status
Active
Type
Private limited
Incorporated
26 Mar 1976
Reg. office
Limegrove House, Caxton Road, Bedford, MK41 0QQ
SIC codes
41201
Last accounts
30 Sept 2025
Next accounts due
30 Jun 2027

Directors & PSC

  • RICHARDSON, Jonathan — director
    Appointed 01 Jan 2024
  • BENNETT, Carl Stephen — director
    Appointed 01 Jul 2020
  • CHANGER, Daniel Julian Marcus — director
    Appointed 01 Jul 2020
  • SHINER, Andrew Mark — director
    Appointed 01 Jul 2020
  • MITCHELL, Andrew Ronald — director
    Appointed 01 Jul 2020
  • MITCHELL, Andrew Ronald — secretary
    Appointed 14 May 2015
  • Mr Jonathan Richardson — person with significant control
    significant influence or control
  • Mr Andrew Ronald Mitchell — person with significant control
    significant influence or control
  • Mr Carl Stephen Bennett — person with significant control
    significant influence or control
  • Mr Andrew Mark Shiner — person with significant control
    significant influence or control
  • Mr Daniel Julian Marcus Changer — person with significant control
    significant influence or control

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
S.D.C. BUILDERS LIMITED
01251716 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.