- Companies
- Plumbers and heating engineers
- Newport
- D Squared Maintenance Services Limited
D Squared Maintenance Services Limited
- Company number
- 07101603
- Incorporated
- 10 Dec 200916 years trading
- Registered office
- Unit 19, Fern Close Pen-Y-Fan Industrial Estate, Crumlin, Newport, Gwent, NP11 3EH
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing; Other specialised construction activities n.e.c.; Other service activities n.e.c.
D Squared Maintenance Services Limited is a 16-year-old private limited company registered in Newport, company number 07101603, one of 108 plumbing and heating companies in Newport. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £52K (-40.2%) on the year before, to £77K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £189K against £143K owed within a year: 1.3 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 Dec 2025 | £77K | £189K | £143K | 0 | |
| 31 Dec 2024 | £128K | £214K | £109K | 9 | |
| 31 Dec 2023 | £139K | £216K | £94K | 8 | |
| 31 Dec 2022 | £136K | £260K | £142K | 6 | |
| 31 Dec 2021 | £143K | £247K | £118K | 7 | |
| 31 Dec 2020 | £94K | £183K | £108K | 8 | |
| 31 Dec 2019 | £37K | £98K | £86K | ||
| 31 Dec 2018 | £45K | ||||
| 31 Dec 2017 | £50K | £118K | £86K | ||
| 31 Dec 2016 | £77K | £174K | £110K |
Where D Squared Maintenance Services Limited is registered
The registered office is in Newport (NP11), in the Caerphilly local authority area, Wales. Show NP11 3EH on a map.
Other trade companies in NP11
- Fast Fit Auto Group LtdMechanics and garages
- Down to Earth Tree and Landscapes LimitedLandscapers and gardeners
- Joyner Electrical and Renewables LimitedFinishing trades
- Druids Construction LimitedLandscapers and gardeners
- Mark Edwards Building LimitedLandscapers and gardeners
- MJC Electrical Solutions LimitedElectricians
- Cwmcarn Hand Car Wash LtdCleaning companies
- Lawa Auto LtdMotor traders
What happens if D Squared Maintenance Services 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07101603
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 December 2009 (16 years ago)
- Registered office
- Unit 19, Fern Close Pen-Y-Fan Industrial Estate, Crumlin, Newport, Gwent, NP11 3EH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 December 2025
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 Newport
Other active plumbing and heating companies registered in Newport.
- Danlar Limited2018
- Dci Fire Protection Limited2018
- Dragon Heating & Cooling Ltd2026
- Dragon Heating & Plumbing Ltd2020
- Ductwork Services (Iow) Limited2007
- Elite Climate Group Limited2026
- Emerald Plumbing Solutions Ltd2018
- Everglow Plumbing and Heating Ltd2023
All plumbing and heating companies in Newport · All trades in Newport · Plumbers and heating engineers across the UK
Frequently asked questions
When are D Squared Maintenance Services Limited's accounts due?
D Squared Maintenance Services Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is D Squared Maintenance Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is D Squared Maintenance Services Limited still trading?
D Squared Maintenance Services 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 D Squared Maintenance Services Limited do?
D Squared Maintenance Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999); Other service activities n.e.c. (SIC 96090).
How old is D Squared Maintenance Services Limited?
D Squared Maintenance Services Limited was incorporated on 10 December 2009, 16 years ago.
What is the penalty if D Squared Maintenance Services 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 D Squared Maintenance Services 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.