1ST ADVANCED HEATING LIMITED

🌳Matureactive
04602292 · ltd · incorporated 2002-11-27
Investment thesis
Established operating company — standard diligence applies, no dominant angle.
Why interesting: Live, filing, normal profile.
Why risky: No standout signals in either direction.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Mar 2025
Net worth
—
book net assets
Opportunity
76/100
Strong
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What this business does
Primary activity: Plumbing, heat and air-conditioning installation
Sector: Construction
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 76/100 (strong), bankability 75/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (58/100).

Data confidence

Overall: medium (78/100)

Adequate coverage. AI outputs are reliable for the sections scored high; verify the rest in diligence.

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
Confirmed no charges registered
85
Directors & officers
8 officers (2 active, 8 linked, 3 with DOB)
78
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
2 connected companies via shared directors
51
Filing history
74 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
76/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
65
Some acquirability indicators.
Risk profile
85
Few red flags.
Signal strength
90
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£0Mar 2024Mar 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 102
Metric2025-03-312024-03-31
Average employees2200

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
0
filings
Last 90 days
0
filings
Last 180 days
0
filings
Counts from Companies House filing history.
Corporate timeline (30 events)Click to expand
  1. 2025-08-22
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  2. 2024-12-23
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  3. 2023-12-22
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2022-12-15
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  5. 2021-12-14
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2020-12-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2019-12-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2019-05-29
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  9. 2019-05-29
    📄
    change-person-director-company-with-change-date
    officers · CH01
  10. 2019-05-29
    📄
    change-person-director-company-with-change-date
    officers · CH01
  11. 2019-05-29
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  12. 2019-03-27
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2018-12-28
    📄
    change-account-reference-date-company-previous-shortened
    accounts · AA01
  14. 2017-12-18
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  15. 2016-11-29
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  16. 2011-09-13
    ➕
    MELLOR, Allison Leigh appointed
    director
  17. 2009-04-17
    ➖
    BAINBRIDGE, Josephine Ann resigned
    secretary
  18. 2005-09-06
    ➕
    BAINBRIDGE, Josephine Ann appointed
    secretary
  19. 2005-09-06
    ➖
    HARVEY, Allison resigned
    secretary
  20. 2004-04-22
    ➖
    FINNERTY, Lee resigned
    secretary
  21. 2004-04-22
    ➕
    HARVEY, Allison appointed
    secretary
  22. 2004-04-22
    ➖
    FINNERTY, Lee resigned
    director
  23. 2002-11-27
    🏢
    Company incorporated
    As 1ST ADVANCED HEATING LIMITED
  24. 2002-11-27
    ➕
    MELLOR, Richard appointed
    director
  25. 2002-11-27
    ➕
    FINNERTY, Lee appointed
    secretary
  26. 2002-11-27
    ➕
    TEMPLE SECRETARIES LIMITED appointed
    corporate-nominee-secretary
  27. 2002-11-27
    ➖
    TEMPLE SECRETARIES LIMITED resigned
    corporate-nominee-secretary
  28. 2002-11-27
    ➕
    FINNERTY, Lee appointed
    director
  29. 2002-11-27
    ➕
    COMPANY DIRECTORS LIMITED appointed
    corporate-nominee-director
  30. 2002-11-27
    ➖
    COMPANY DIRECTORS LIMITED resigned
    corporate-nominee-director

Owner dependency

76/100
High — earn-out structure required

Material founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.

FACTORS
  • +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
  • +Long-tenure founder: Senior director has been in place 23 years — deep operational knowledge concentrated in one person.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

66/100
Strong succession signal

Multiple signals suggest succession is on the horizon. Candidate for proactive outreach.

SIGNALS
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 23 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 23 years old and no new directors in the last 3 years — succession not yet being planned internally.
  • supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

clean
No red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)

Shareholders & ownership

1 active beneficial owner
NameSharesVoting rightsNature of controlNotified
Mr Richard Mellor
Individual · British · DOB 09/1969 · age 57
50–75%
—50-75% shares01/11/2016

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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CompanyEst. valueTurnoverNet worthStaffAgeOppDirector
12 MARKET PLACE KETTERING LIMITED→
13192947 · est 2021 · no financials extracted
————5y——
1610 PROJECTS LIMITED→
16579744 · est 2025 · no financials extracted
———————
1AC PROJECTS LTD→
12082829 · est 2019 · no financials extracted
————6y——
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12750303 · est 2020 · no financials extracted
————5y——
1ST CALL HOME IMPROVEMENTS LTD→
11648711 · est 2018 · no financials extracted
————7y——
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14043588 · est 2022 · no financials extracted
————4y——
2020SCAFFOLDING LTD→
12274936 · est 2019 · no financials extracted
————6y——
26-28 GROSVENOR LTD→
10783074 · est 2017 · no financials extracted
————8y——
2FBD LTD→
13406421 · est 2021 · no financials extracted
————4y——
3 BROTHERS FENCING@LANDSCAPING LTD→
16323488 · est 2025 · no financials extracted
————1y——
3 COUNTIES (SANDHURST) LTD→
06502033 · est 2008 · no financials extracted
————18y——
3 COUNTIES ECO HEATING LTD→
15265575 · est 2023 · no financials extracted
————2y——
Peers ranked by estimated value, then turnover, then opportunity score.See all →
🔒Tailored diligence questions

6 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
Incorporated2002-11-27
Jurisdictionengland-wales
Primary SIC43220 — Plumbing, heat and air-conditioning installation

Registered office

Whispers
Tower Road
Hindhead
GU26 6SL
England

Filing status

Accounts
Next due: 2026-12-30
Last made up to: 2025-03-31
Confirmation statement
Next due: 2026-10-16
Last: 2025-10-02

Officers (2 active · 6 resigned)

MELLOR, Allison Leigh→
director · ~55y · appointed 2011-09-13
View their other companies + combined net worth →
Active
MELLOR, Richard→
director · ~57y · appointed 2002-11-27
View their other companies + combined net worth →
Active
BAINBRIDGE, Josephine Ann→
secretary · appointed 2005-09-06 · resigned 2009-04-17
Resigned
FINNERTY, Lee→
secretary · appointed 2002-11-27 · resigned 2004-04-22
Resigned
HARVEY, Allison→
secretary · appointed 2004-04-22 · resigned 2005-09-06
Resigned
TEMPLE SECRETARIES LIMITED→
corporate-nominee-secretary · appointed 2002-11-27 · resigned 2002-11-27
Resigned
FINNERTY, Lee→
director · ~53y · appointed 2002-11-27 · resigned 2004-04-22
Resigned
COMPANY DIRECTORS LIMITED→
corporate-nominee-director · appointed 2002-11-27 · resigned 2002-11-27
Resigned

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

Recent filings (74 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-10-09
accounts-with-accounts-type-dormant
accounts · AA
2025-08-22
accounts-with-accounts-type-dormant
accounts · AA
2024-12-23
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-10-25
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-12-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-11-03
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-12-15
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-10-21
accounts-with-accounts-type-total-exemption-full
accounts · AA
2021-12-14
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-10-14
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-12-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-10-08
accounts-with-accounts-type-total-exemption-full
accounts · AA
2019-12-30
confirmation-statement-with-no-updates
confirmation-statement · CS01
2019-10-03
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2019-05-29