- Companies
- Finishing trades
- Cardiff
- Probert & Mumford Limited
Probert & Mumford Limited
- Company number
- 05456509
- Incorporated
- 19 May 200521 years trading
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Other building completion and finishing
Probert & Mumford Limited is a 21-year-old private limited company registered in Cardiff, company number 05456509, one of 129 building finishing companies in Cardiff. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £2,741 (-94.7%) on the year before, to £152.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £22K against £22K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £152 | £21K | £22K | £22K | 0 |
| 31 May 2024 | £2,893 | £23K | £23K | £19K | 2 |
| 31 May 2023 | £4,089 | £35K | £37K | £29K | 2 |
| 31 May 2022 | £791 | £23K | £29K | £16K | 2 |
| 31 May 2021 | £744 | £35K | £35K | £23K | 2 |
| 31 May 2020 | £3,570 | £36K | £36K | £21K | 2 |
| 31 May 2019 | £4,294 | £35K | £45K | £44K | 2 |
| 31 May 2018 | £4,300 | £24K | £33K | £34K | 2 |
| 31 May 2017 | £5,118 | £45K | £44K | ||
| 31 May 2016 | £501 | £43K |
Where Probert & Mumford Limited is registered
The registered office is in Cardiff (CF3), in the Cardiff local authority area, Wales. Show CF3 5EA on a map.
Other trade companies in CF3
- Ions Trade & Projects LtdInstallers
- Fly Tech LtdMachinery repair and installation
- Dragonfly Site Services LtdSpecialist contractors
- Arc Energy Systems LtdElectricians
- Floyd’S Consultants LtdProperty developers
- Blues Mechanical LtdInstallers
- Climate Control Cardiff LtdPlumbers and heating engineers
- Campo & Co Developments LtdBuilders
Also registered at this address
23 other companies use the same registered office as Probert & Mumford Limited.
- Adl Detailing and Logistics LimitedMechanics and garages
- Atamate Solutions LtdSpecialist contractors
- Citywide Auto Centres LimitedMechanics and garages
- Copper Kite Developments 2.0 LimitedProperty developers
- Davies Brothers (Holdings) LimitedFinishing trades
- Drojan Commercial Window Cleaning LimitedCleaning companies
- Ep Motor Sales LimitedMotor traders
- Hier Estates LimitedBuilders
- Humblebrick LimitedBuilders
- Knott Construction Consultancy LimitedSpecialist contractors
- Leather Academy LtdRepair services
- Maintain-Ants LimitedFacilities management
- MTV Developments LimitedProperty developers
- NJP Consulting Engineers LimitedCivil engineering
- Penylan Heating LimitedPlumbers and heating engineers
- Reg Construction LimitedBuilders
- Richard Sutton LimitedSpecialist contractors
- Sarjan LimitedProperty developers
- Seel Auctions LtdProperty developers
- Spire Renewables LimitedPlumbers and heating engineers
- Start Bay Developments (Prideaux) LimitedProperty developers
- Start Bay Developments LimitedProperty developers
- Trade Right Cars (Cardiff) LimitedMotor traders
What happens if Probert & Mumford Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 05456509
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2005 (21 years ago)
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 5 May 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Cardiff
Other active building finishing companies registered in Cardiff.
- Proper TŶ Facilities Ltd2026
- Pughs Construction Limited2013
- Qproperty Solutions Limited2026
- R&Z Building Ltd2024
- RCP Solutions 1 Ltd2026
- RCP Solutions 2 Ltd2026
- RD Projects Ltd2025
- Rexhion Construction Limited2020
All building finishing companies in Cardiff · All trades in Cardiff · Finishing trades across the UK
Frequently asked questions
When are Probert & Mumford Limited's accounts due?
Probert & Mumford Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Probert & Mumford Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Probert & Mumford Limited still trading?
Probert & Mumford Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Probert & Mumford Limited do?
Probert & Mumford Limited is registered under Other building completion and finishing (SIC 43390).
How old is Probert & Mumford Limited?
Probert & Mumford Limited was incorporated on 19 May 2005, 21 years ago.
What is the penalty if Probert & Mumford Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Probert & Mumford Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.