- Companies
- Plumbers and heating engineers
- Beaconsfield
- Square Plumbing Limited
Square Plumbing Limited
- Company number
- 14811553
- Incorporated
- 18 Apr 20233 years trading
- Registered office
- 13 the Highway, Beaconsfield, HP9 1QQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Square Plumbing Limited is a 3-year-old private limited company registered in Beaconsfield, company number 14811553, one of 11 plumbing and heating companies in Beaconsfield. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 up £27 (+0.1%) on the year before, to £31K.
- Current assets of £32K against £522 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £31K | £32K | £522 | 1 | |
| 30 Apr 2024 | £31K | £70K | £39K | 1 |
Where Square Plumbing Limited is registered
The registered office is in Beaconsfield (HP9), in the Buckinghamshire local authority area, South East. Show HP9 1QQ on a map.
Other trade companies in HP9
- 8Square Group LimitedMotor traders
- Word & Deed Services LimitedCleaning companies
- Lumensite LtdMachinery repair and installation
- Daniel Gosling 32 LtdProperty developers
- Chiltern Energy Group LtdElectricians
- Sle Builder LtdFinishing trades
- Hde Construction LtdProperty developers
- UK Roofing Group LtdRoofers
Also registered at this address
3 other companies use the same registered office as Square Plumbing Limited.
- Opus Landscapes LtdLandscapers and gardeners
- Pinnacle Fire Protection LtdInstallers
- Q Home and Garden LtdLandscapers and gardeners
What happens if Square Plumbing 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 14811553
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 April 2023 (3 years ago)
- Registered office
- 13 the Highway, Beaconsfield, HP9 1QQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 17 April 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Beaconsfield
Other active plumbing and heating companies registered in Beaconsfield.
- Water Trade (Plumbing & Drainage Services) Limited2000
- Aztec Control Services Limited2022
- Crane Heat Systems Ltd2026
- Elgan Davies Limited2004
- Higgins Building Services Limited2001
- Perfect Brothers Ltd2022
- Plumb Tomatoes Limited2017
- Premium Plumbing and Heating Limited2013
All plumbing and heating companies in Beaconsfield · All trades in Beaconsfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Square Plumbing Limited's accounts due?
Square Plumbing Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Square Plumbing Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Square Plumbing Limited still trading?
Square Plumbing 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 Square Plumbing Limited do?
Square Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Square Plumbing Limited?
Square Plumbing Limited was incorporated on 18 April 2023, 3 years ago.
What is the penalty if Square Plumbing 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 Square Plumbing 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.