CASTLEMAINS DEVELOPMENTS LIMITED

🌳Matureactive
04512761 · ltd · incorporated 2002-08-16
Investment thesis
Property vehicle with leveraged stack — refinance / partial-release angle.
Why interesting: Asset-backed; value largely in underlying property; lender engagement likely possible.
Why risky: Multiple lenders to manage; inter-creditor friction and partial-release cost possible.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Jan 2025
Net worth
—
book net assets
Opportunity
75/100
Strong
🔔
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What this business does
Primary activity: Other letting and operating of own or leased real estate
Sector: Real estate
Investor take
Pursue
Property-backed borrower with a 92-year-old founder — textbook succession opportunity.

Opportunity 75/100 (strong), bankability 57/100. Strong seller-intent signal (63/100, director aged 92). Biggest value-creation lever: Consolidate lender relationships. 3 distinct lenders creates friction — refinance into single-lender structure for cleaner diligence. Most likely exit: share sale to pe / searcher (45/100).

🏦

Refinance opportunity

11 live charges · 3 lenders · oldest 22.9y

25/100
too messy

Structure is too messy for a clean refinance right now — clean up first or expect bespoke terms.

  • · Oldest live charge is 22.9 years old — likely at or near maturity.
  • · 3 lenders named — inter-creditor friction likely.
  • · Legal-friction score 50/100 (high).

Data confidence

Overall: high (80/100)

Strong data coverage across all sections. AI outputs should be trusted with minimal caveats.

Company profile
address, 1 SIC codes, incorporation date
100
Financials
2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed
75
Lenders & charges
11 charges (11/11 with lender, 11/11 with type)
90
Directors & officers
7 officers (5 active, 7 linked, 3 with DOB)
79
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
5 connected companies via shared directors
60
Filing history
72 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
75/100Strong
PassWatchWorth a lookStrongExceptional 

Solid opportunity signal. Worth a dedicated memo and management meeting.

Business quality
60
Adequate — check latest filings for context.
Acquirability
80
Strong succession / seller-readiness signals.
Risk profile
74
Few red flags.
Signal strength
100
Good data coverage for analysis.

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
—
Current Assets
—
Current Liabilities
—
£0£0£0£0£0£0Jan 2024Jan 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-01-312024-01-31
Average employees3300

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

2 signals detected in this company's narrative notes — going-concern language, audit opinion, contingent liabilities, related-party transactions.

Available from the Pro tier upwards.

See pricing →

Recent activity

Last 30 days
1
filing
  • • 1 persons-with-significant-control
Last 90 days
1
filing
  • • 1 persons-with-significant-control
Last 180 days
1
filing
  • • 1 persons-with-significant-control
Counts from Companies House filing history.
Corporate timeline (40 events)Click to expand
  1. 2026-05-14
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  2. 2025-08-22
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2024-08-07
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2023-06-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2023-06-12
    📄
    appoint-person-secretary-company-with-name-date
    officers · AP03
  6. 2023-06-12
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  7. 2023-06-08
    ➕
    NIMMO, Lesley Gilmour appointed
    secretary
  8. 2023-06-08
    ➕
    NIMMO, Lesley Gilmour appointed
    director
  9. 2022-05-25
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2021-05-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  11. 2020-07-13
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2019-09-23
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2018-10-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  14. 2017-09-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  15. 2017-02-15
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  16. 2016-09-26
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  17. 2015-09-18
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  18. 2015-01-19
    🔒
    Charge registered #11
    Lender: Svenska Handelsbanken Ab (Publ)
  19. 2013-11-07
    🔓
    Charge satisfied #10
  20. 2013-11-07
    🔓
    Charge satisfied #9
  21. 2013-11-07
    🔓
    Charge satisfied #8
  22. 2011-11-16
    🔒
    Charge registered #10
    Lender: Svenska Handelsbanken Ab (Publ)
  23. 2011-11-08
    🔒
    Charge registered #9
    Lender: Svenska Handelsbanken Ab (Publ)
  24. 2011-11-08
    🔒
    Charge registered #8
    Lender: Svenska Handelsbanken Ab (Publ)
  25. 2010-08-13
    🔒
    Charge registered #6
    Lender: Svenska Handelsbanken Ab (Publ)
  26. 2010-08-04
    🔒
    Charge registered #7
    Lender: Svenska Handelsbanken Ab
  27. 2010-06-11
    🔒
    Charge registered #5
    Lender: Svenska Handelsbanken Ab (Publ)
  28. 2010-04-21
    🔒
    Charge registered #4
    Lender: Svenska Handelsbanken Ab (Publ)
  29. 2009-10-23
    🔓
    Charge satisfied #1
  30. 2009-05-28
    🔒
    Charge registered #3
    Lender: Svenska Handelsbanken Ab (Publ)
  31. 2004-07-06
    🔒
    Charge registered #2
    Lender: The Governor and Company of the Bank of Scotland
  32. 2003-06-27
    🔒
    Charge registered #1
    Lender: The Governor and Company of the Bank of Scotland
  33. 2002-08-20
    ➕
    NIMMO, William Haldane Wilson appointed
    secretary
  34. 2002-08-20
    ➕
    NIMMO, May Morrison appointed
    director
  35. 2002-08-20
    ➕
    NIMMO, William Haldane Wilson appointed
    director
  36. 2002-08-20
    ➖
    CREDITREFORM (SECRETARIES) LIMITED resigned
    corporate-nominee-secretary
  37. 2002-08-20
    ➖
    CREDITREFORM LIMITED resigned
    corporate-nominee-director
  38. 2002-08-16
    🏢
    Company incorporated
    As CASTLEMAINS DEVELOPMENTS LIMITED
  39. 2002-08-16
    ➕
    CREDITREFORM (SECRETARIES) LIMITED appointed
    corporate-nominee-secretary
  40. 2002-08-16
    ➕
    CREDITREFORM LIMITED appointed
    corporate-nominee-director

Owner dependency

83/100
Critical — business is the founder

The business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.

FACTORS
  • +Long-tenure founder: Senior director has been in place 24 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 92 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

80/100
Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS
  • primaryFounder aged 70+: Senior director is approximately 92 years old. Natural succession window is now.
  • primary20+ year tenure: Director in role 24 years. Very long tenure is a classic succession signal.
  • supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

1 med · 1 low
Charge satisfaction-then-recreation pattern
medium

Multiple instances where a charge was satisfied and a new charge created within 6 months. Suggests active refinancing cycle.

7 live charges
low

Heavily leveraged with multiple live security positions — understand the capital structure before proceeding.

Shareholders & ownership

1 active beneficial owner
NameSharesVoting rightsNature of controlNotified
Mr William Haldane Wilson Nimmo
Individual · British · DOB 09/1959 · age 67
50–75%
50–75%50-75% shares · 50-75% voting01/07/2016

From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.

🔒Co-director network graph

Radial SVG graph showing every company connected via shared directors, colour-coded by status.

Available from the Pro tier upwards.

See pricing →

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Peers ranked by estimated value, then turnover, then opportunity score.See all →
🔒Tailored diligence questions

8 specific questions generated from this company's actual signals — liquidity, leverage, director age, charge count, red flags, age-of-company.

Available from the Pro tier upwards.

See pricing →
🔒Advanced scoring suite

Exit-route ranking, improvement thesis, quiet-distress detector, covenant-pressure proxy, extraction monitor, approaching triggers, ownership drift, local cluster, value trap, debt capacity, archetype classification — 48+ scoring modules.

Available from the Pro tier upwards.

See pricing →

Company details

Statusactive
Typeltd
Incorporated2002-08-16
Jurisdictionengland-wales
Primary SIC68209 — Other letting and operating of own or leased real estate

Registered office

17 Walkergate
Berwick-Upon-Tweed
Northumberland
TD15 1DJ
United Kingdom

Filing status

Accounts
Next due: 2026-10-31
Last made up to: 2025-01-31
Confirmation statement
Next due: 2026-08-30
Last: 2025-08-16

Officers (5 active · 2 resigned)

NIMMO, Lesley Gilmour→
secretary · appointed 2023-06-08
View their other companies + combined net worth →
Active
NIMMO, William Haldane Wilson→
secretary · appointed 2002-08-20
View their other companies + combined net worth →
Active
NIMMO, Lesley Gilmour→
director · ~67y · appointed 2023-06-08
View their other companies + combined net worth →
Active
NIMMO, May Morrison→
director · ~92y · appointed 2002-08-20
View their other companies + combined net worth →
Active
NIMMO, William Haldane Wilson→
director · ~67y · appointed 2002-08-20
View their other companies + combined net worth →
Active
CREDITREFORM (SECRETARIES) LIMITED→
corporate-nominee-secretary · appointed 2002-08-16 · resigned 2002-08-20
Resigned
CREDITREFORM LIMITED→
corporate-nominee-director · appointed 2002-08-16 · resigned 2002-08-20
Resigned

Click a director name to see their full track record across all companies.

Mortgages & charges

11
Total charges
7
Outstanding
3
Active lenders
Status:Lender:11 of 11 shown
TypeProperties
outstanding
Svenska Handelsbanken Ab (Publ)
A registered charge—19/01/2015—
satisfied
Svenska Handelsbanken Ab (Publ)
Standard security executed on 22 september 20111 property16/11/201107/11/2013
satisfied
Svenska Handelsbanken Ab (Publ)
Standard security executed on 22 september 20111 property08/11/201107/11/2013
satisfied
Svenska Handelsbanken Ab (Publ)
Standard security executed on 22 september 20111 property08/11/201107/11/2013
outstanding
Svenska Handelsbanken Ab (Publ)
Standard security1 property13/08/2010—
outstanding
Svenska Handelsbanken Ab
Standard security dated 13/10/081 property04/08/2010—
outstanding
Svenska Handelsbanken Ab (Publ)
Standard security1 property11/06/2010—
outstanding
Svenska Handelsbanken Ab (Publ)
Standard security executed on 26 march 20102 properties21/04/2010—
outstanding
Svenska Handelsbanken Ab (Publ)
Bond and floating charge1 property28/05/2009—
outstanding
Lloyds Banking Group
The Governor and Company of the Bank of Scotland
A standard security which was presented for registration in scotland on the 23/07/04 and1 property06/07/2004—
satisfied
Lloyds Banking Group
The Governor and Company of the Bank of Scotland
Debenture1 property27/06/200323/10/2009
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (72 total)

change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2026-05-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-09-05
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-08-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-08-28
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-08-07
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-09-07
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-06-29
appoint-person-secretary-company-with-name-date
officers · AP03
2023-06-12
appoint-person-director-company-with-name-date
officers · AP01
2023-06-12
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-08-29
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-05-25
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-09-28
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-05-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-08-31
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-07-13