- Companies
- Plumbers and heating engineers
- Grantham
- A1 Perfect Plumbing Limited
A1 Perfect Plumbing Limited
- Company number
- 05555141
- Incorporated
- 6 Sep 200521 years trading
- Registered office
- First Floor, 28 Market Place, Grantham, NG31 6LR
- Nature of business
- Plumbing, heat and air-conditioning installation
A1 Perfect Plumbing Limited is a 21-year-old private limited company registered in Grantham, company number 05555141, one of 30 plumbing and heating companies in Grantham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £2,589 (-99.9%) on the year before, to £3.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £15K against £20K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- 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 Oct 2025 | £3 | £14K | £15K | £20K | 2 |
| 31 Oct 2024 | £2,592 | £14K | £14K | £20K | 2 |
| 31 Oct 2023 | £3,026 | £7,384 | £8,320 | £11K | 2 |
| 31 Oct 2022 | £3,342 | £13K | £20K | £19K | 2 |
| 31 Oct 2021 | £2,141 | £3,511 | £20K | £14K | 2 |
| 31 Oct 2020 | £1,462 | £22K | £30K | £22K | 2 |
| 31 Oct 2019 | £8,148 | £16K | £31K | £23K | 2 |
| 31 Oct 2018 | £313 | £11K | £16K | £15K | 2 |
| 31 Oct 2017 | £73 | £8,697 | £13K | £13K | 2 |
| 31 Oct 2016 | £2,094 | £16K | £21K | £19K |
Where A1 Perfect Plumbing Limited is registered
The registered office is in Grantham (NG31), in the South Kesteven local authority area, East Midlands. Show NG31 6LR on a map.
Other trade companies in NG31
- Joacc LtdPlasterers
- Rka Fire Doors LtdJoiners and carpenters
- CS Bathroom & Kitchen Company LtdPlumbers and heating engineers
- Buildable Civils LtdBuilders
- Luper Heating & Plumbing LimitedPlumbers and heating engineers
- Motorcycle Reclamation LtdMotor traders
- Webster Developments 7 LtdProperty developers
- Autozoo LtdMotor traders
Also registered at this address
2 other companies use the same registered office as A1 Perfect Plumbing Limited.
- Gainsborough Corner Garage LimitedMachinery repair and installation
- TSG Plumbing & Heating LimitedPlumbers and heating engineers
What happens if A1 Perfect 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 05555141
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2005 (21 years ago)
- Registered office
- First Floor, 28 Market Place, Grantham, NG31 6LR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 5 September 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 Grantham
Other active plumbing and heating companies registered in Grantham.
- Ajb Plumbing and Heating Limited2005
- Aquatherma Renewables Ltd2023
- Belton Stoves & Chimneys Limited2020
- Bryn Golds Plumbing and Heating Limited2016
- BWS Industrial Services Limited2009
- Caythorpe Gas & Oil Services Limited2008
- Charles Boyfield Ltd2012
- CS Bathroom & Kitchen Company Ltd2026
All plumbing and heating companies in Grantham · All trades in Grantham · Plumbers and heating engineers across the UK
Frequently asked questions
When are A1 Perfect Plumbing Limited's accounts due?
A1 Perfect Plumbing Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is A1 Perfect Plumbing Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is A1 Perfect Plumbing Limited still trading?
A1 Perfect 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 A1 Perfect Plumbing Limited do?
A1 Perfect Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A1 Perfect Plumbing Limited?
A1 Perfect Plumbing Limited was incorporated on 6 September 2005, 21 years ago.
What is the penalty if A1 Perfect 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 A1 Perfect 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.