- Companies
- Civil engineering
- Norwich
- Robert Stone Associates Ltd
Robert Stone Associates Ltd
- Company number
- 04624694
- Incorporated
- 23 Dec 200223 years trading
- Registered office
- 15 Palace Street, Norwich, Norfolk, NR3 1RT
- Nature of business
- Construction of other civil engineering projects n.e.c.
Robert Stone Associates Ltd is a 23-year-old private limited company registered in Norwich, company number 04624694, one of 105 civil engineering contractors in Norwich. 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 up £15K (+3.9%) on the year before, to £398K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £371K against £104K owed within a year: 3.6 times cover.
- 9 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £398K | £252K | £371K | £104K | 9 |
| 31 Mar 2024 | £383K | £128K | £313K | £87K | 9 |
| 31 Mar 2023 | £337K | £53K | £229K | £78K | 8 |
| 31 Mar 2022 | £233K | £6,454 | £160K | £147K | 7 |
| 31 Mar 2021 | £193K | £45K | £204K | £266K | 8 |
| 31 Mar 2020 | £104K | £40K | £183K | £364K | 7 |
| 31 Dec 2018 | £100 | ||||
| 31 Dec 2017 | £100 | ||||
| 31 Dec 2016 | £100 | ||||
| 31 Dec 2015 | £100 |
Where Robert Stone Associates Ltd is registered
The registered office is in Norwich (NR3), in the Norwich local authority area, East of England. Show NR3 1RT on a map.
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Also registered at this address
19 other companies use the same registered office as Robert Stone Associates Ltd.
- Barber Building Services LtdBuilders
- Bee Developments Norwich LimitedBuilders
- BW Heating Services LimitedPlumbers and heating engineers
- Flint and Feather LtdProperty developers
- Gary O'Rourke LtdSpecialist contractors
- Groundhog Property Services LtdProperty developers
- Harvest Estates LimitedProperty developers
- J Bunn Homes (Banham) LimitedBuilders
- J.Bunn Homes (Blakeney) LimitedBuilders
- Laburnum Associates LimitedBuilders
- London Norwich Spine Clinic LtdProperty developers
- McConnell Property Group LtdProperty developers
- McNaughton Homes LimitedProperty developers
- New Era Heating LtdPlumbers and heating engineers
- Parker Projects LimitedProperty developers
- Pdean Homes LimitedBuilders
- Pectra LimitedMotor traders
- S Cotton Testing LimitedGroundworks and demolition
- Trouton Bricks LimitedProperty developers
What happens if Robert Stone Associates 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 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
- 04624694
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2002 (23 years ago)
- Registered office
- 15 Palace Street, Norwich, Norfolk, NR3 1RT
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 December 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Norwich
Other active civil engineering contractors registered in Norwich.
- Russell Civil Engineering Ltd2015
- Russell Properties (Anglia) Ltd2025
- S P Blades Construction Services Ltd2012
- S.A.P. Construction Limited1996
- Sas Plant & Groundwork’S Ltd2025
- SG Eden 4 Limited2018
- Snetterton Commercial Hub Limited2023
- Sotwell Energy Limited2026
All civil engineering contractors in Norwich · All trades in Norwich · Civil engineering across the UK
Frequently asked questions
When are Robert Stone Associates Ltd's accounts due?
Robert Stone Associates Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Robert Stone Associates Ltd'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 Robert Stone Associates Ltd still trading?
Robert Stone Associates 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 Robert Stone Associates Ltd do?
Robert Stone Associates Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Robert Stone Associates Ltd?
Robert Stone Associates Ltd was incorporated on 23 December 2002, 23 years ago.
What is the penalty if Robert Stone Associates 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 Robert Stone Associates 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.