- Companies
- Plumbers and heating engineers
- Luton
- PSB Mechanical Services Ltd
Company profile · Plumbers and heating engineers
PSB Mechanical Services Ltd
PSB Mechanical Services Ltd is a 12-year-old private limited company registered in Luton, company number 08959288, one of 158 plumbing and heating companies in Luton. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for PSB Mechanical Services LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
PSB Mechanical Services Ltd over the years
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 £17K (+91.7%) on the year before, to £35K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £81K against £65K owed within a year: 1.2 times cover.
- 8 employees on average, down from 9 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £35K | £81K | £65K | 8 | |
| 31 Mar 2025 | £18K | £100K | £80K | 9 | |
| 31 Mar 2024 | £25K | £77K | £137K | 4 | |
| 31 Mar 2023 | £32K | £74K | £65K | 4 | |
| 31 Mar 2022 | £77K | £119K | £70K | 4 | |
| 31 Mar 2021 | £66K | £143K | £88K | 4 | |
| 31 Mar 2020 | £16K | £96K | £79K | 3 | |
| 31 Mar 2019 | £18K | £75K | £77K | ||
| 31 Mar 2018 | £4,825 | £48K | £50K | ||
| 31 Mar 2017 | £4,496 | £51K | £52K |
Who runs and owns PSB Mechanical Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| P*** B*** | Director | Mar 2014 |
| S*** B*** | Director | Feb 2024 |
People with significant control (2)
Where PSB Mechanical Services Ltd is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 2PL on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
Shared registered office
139 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if PSB Mechanical Services Ltd 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 08959288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2014 (12 years ago)
- Registered office
- 64 Alma Street, Luton, LU1 2PL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 February 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 Luton
Other active plumbing and heating companies registered in Luton.
- R&R Heating Luton Ltd2024
- RHS Heating Ltd2016
- S Holden Heating Ltd2019
- S.K. Services Limited2000
- Sa Plumbing & Heating (Luton) Limited2018
- Safe Plumber and Gas Engineer Ltd2021
- Saz Gas & Heating Services Ltd2013
- Second Life Refinishing Ltd2024
All plumbing and heating companies in Luton · All trades in Luton · Plumbers and heating engineers across the UK
Frequently asked questions
When are PSB Mechanical Services Ltd's accounts due?
PSB Mechanical Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is PSB Mechanical Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is PSB Mechanical Services Ltd still trading?
PSB Mechanical Services Ltd 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 PSB Mechanical Services Ltd do?
PSB Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is PSB Mechanical Services Ltd?
PSB Mechanical Services Ltd was incorporated on 26 March 2014, 12 years ago.
Who runs PSB Mechanical Services Ltd?
PSB Mechanical Services Ltd has 2 active directors, the longest-serving appointed in Mar 2014. Their names and service addresses are on the Companies House register.
Who owns PSB Mechanical Services Ltd?
2 people or companies have significant control of PSB Mechanical Services Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if PSB Mechanical Services Ltd 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 PSB Mechanical Services Ltd 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.