- Companies
- Specialist contractors
- Sutton
- J McGrath & Sons Construction Limited
J McGrath & Sons Construction Limited
- Company number
- 05345412
- Incorporated
- 27 Jan 200521 years trading
- Registered office
- Unit 3 Mulgrave Chambers, 26-28 Mulgrave Road, Sutton, Surrey, SM2 6LE
- Nature of business
- Other specialised construction activities n.e.c.
J McGrath & Sons Construction Limited is a 21-year-old private limited company registered in Sutton, company number 05345412, one of 86 specialist construction companies in Sutton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £82K (-45.2%) on the year before, to £99K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £287K against £124K owed within a year: 2.3 times cover.
- 7 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 Mar 2025 | £99K | £57K | £287K | £124K | 7 |
| 31 Mar 2024 | £181K | £323K | £436K | £248K | 7 |
| 31 Mar 2023 | £178K | £281K | £487K | £292K | 5 |
| 31 Mar 2022 | £242K | £461K | £652K | £383K | 5 |
| 31 Mar 2021 | £165K | £347K | £508K | £313K | 5 |
| 31 Mar 2020 | £191K | £303K | £395K | £225K | 5 |
| 31 Mar 2019 | £101K | £259K | £632K | £543K | 6 |
| 31 Mar 2018 | £5,313 | £120K | £429K | £425K | 0 |
| 31 Mar 2017 | £74K | £174K | £413K | £348K | 6 |
| 31 Mar 2016 | £198K | £242K | £505K | £327K | 6 |
Where J McGrath & Sons Construction Limited is registered
The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 6LE on a map.
Other trade companies in SM2
- Stent Projects London LtdBuilders
- Ry Rigging Services LtdInstallers
- JP Plumbing, Heating & Drainage Solutions LtdPlumbers and heating engineers
- MR & Sons Roofing & Building LtdBuilders
- Velora Facilities LimitedCleaning companies
- Sparkle Shark LtdCleaning companies
- GL Building Solutions LtdBuilders
- Bespoke Air Design and Installation LimitedPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as J McGrath & Sons Construction Limited.
- KPFP LtdElectricians
What happens if J McGrath & Sons Construction 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 05345412
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2005 (21 years ago)
- Registered office
- Unit 3 Mulgrave Chambers, 26-28 Mulgrave Road, Sutton, Surrey, SM2 6LE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Sutton
Other active specialist construction companies registered in Sutton.
- J. J. C. Wickham Limited2004
- Jany&M Ltd2020
- JMC Rigging Ltd2026
- John Bevans Services Ltd2012
- K & B Ceilings Limited2004
- Kay Fibre Ltd2024
- Kelvin Lyons Consultancy Limited2006
- Kingsbridge Living Limited2005
All specialist construction companies in Sutton · All trades in Sutton · Specialist contractors across the UK
Frequently asked questions
When are J McGrath & Sons Construction Limited's accounts due?
J McGrath & Sons Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is J McGrath & Sons Construction Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is J McGrath & Sons Construction Limited still trading?
J McGrath & Sons Construction 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 J McGrath & Sons Construction Limited do?
J McGrath & Sons Construction Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is J McGrath & Sons Construction Limited?
J McGrath & Sons Construction Limited was incorporated on 27 January 2005, 21 years ago.
What is the penalty if J McGrath & Sons Construction 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 J McGrath & Sons Construction 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.