BP21 De-ddwyrain Cymru – Asesiad Strategol o Ganlyniadau Llifogydd (Cam 1)

Yn dangos sylwadau a ffurflenni 1 i 9 o 9

Sylw

2 Dogfennau Ategol

ID sylw: 5814

Derbyniwyd: 08/03/2026

Respondent ID: 3241

Ymatebydd: Mr Paul Garvey

Crynodeb o'r Gynrychiolaeth:

There is a need for flood alleviation in Llanmaes.

Sylw

2 Dogfennau Ategol

ID sylw: 6209

Derbyniwyd: 11/03/2026

Respondent ID: 2871

Ymatebydd: Mr Colin Arnold

Crynodeb o'r Gynrychiolaeth:

There is obvioulsy a lot more work that needs to be done after the consulation closes but one specific stands out for me. In the RLDP there is acknowledgement that there is a need for a Flood Alleviation Scheme for Llanmaes. This is commented on more than once but there are no specific proposals or any outline as to how any proposals or actions will come into being on this point.

Gwrthwynebu

2 Dogfennau Ategol

ID sylw: 6240

Derbyniwyd: 11/03/2026

Respondent ID: 708

Ymatebydd: Barry & Vale Friends of the Earth

Asiant : Barry & Vale Friends of the Earth

Crynodeb o'r Gynrychiolaeth:

The statutory Section 19 report on the 23 Dec2020 flooding of about 100 properties included recommendations that have been ignored, relating to blockage during high river levels of highway drains from central streets and of the Cae'r Odyn's newer street drains.

The Strategic Flood Consequences Assessment omits mention of that flood episode (1:20yr rainstorm) and omits mention of the need for measures to cope with stronger rainstorms(1:100). We guess that omission was not due to the consultant JPA who has professional standards to maintain, but to the LPA or RLDP team. Whichever, it fails to comply with
3.4 The SFCA is a desk-based study which collates existing information to undertake a broad assessment of potential flood risks across the study area, including the Vale of Glamorgan, from all sources of flooding. The study identifies areas at potential high risk from flooding, provides details of historical flood events, and detail of any flood risk management structures or procedures present.
The SFCA fails to mention the Dec.2020 flooding, the 2021 Section 19 report on it with unfulfilled recommendations and NRW’s conclusion from ~2018 to not proceed with dam/holding reservoir upstream but “working with nature” with catchment measures. JPA Consulting wrote both the Section 19 report and this SFCA. It’s likely not JPA but the RLDP team omitted this important information, because of their interest in promoting the site for housing. Whichever, the SFCA is a statutory document that requires completing to professional standard.

The SFCA does identify priority areas for natural flood management. In this regard, the SFCA (9.3.6.10) identifies small areas across the Vale that are suitable for runoff attenuation and large portions of the Vale that are suitable for wider catchment woodland planting… (Appendix J1 of the SFCA). We find a map on p.153 Working with Natural Processes - Potential Mapping (JPA + VoG Dec.2021) show Woodland Planting on this hillside, including part of the Persimmon site.

The fields below Llandough Hospital are an important part of the East Brook catchment. Drainage from the Hospital discharging into the East Brook (via settlement tanks) increased over the last decade by large area carparking and building developments.

The development site and adjacent hillside fields are a significant holding area for rainstorms, soakaway being slow. Housing development with normal SuDS measures with “attenuation ponds” will speed up storm-discharges. The issue is not as the KS2 spec says Small area <5% affected by river flooding, but the the downstream consequencies of the development in flooding at the Murch cross-road and adding to the river Cadoxton just downstream.

The applicant has no given any study to include measures to trap the stormwater in holding ponds, or otherwise to increase delays to it reaching the East Brook. He has concealed the proposal for woodland planting on part of the site as the SFCA map indicates.

The strong flooding constraint is also being hidden by the RLDP people, if it’s they who have censored important material from the JPA report.

We require a revised statutory SFCA is issued to professional standard which properly includes both the 2021 Section 19 report and proposals for forward policy towards flooding measures for Dinas Powys itself. These would be oriented to “working with nature” as agreed, and recognize that the Eastbrook housing development goes in the wrong direction. They would also record the need to divert highway drainage from discharges into the Cadoxton as per the Section 19 recommendations.

Sylw

2 Dogfennau Ategol

ID sylw: 6337

Derbyniwyd: 10/03/2026

Respondent ID: 3544

Ymatebydd: Richard Leach

Crynodeb o'r Gynrychiolaeth:

The deferred flood alleviation scheme for Llanmaes affected our land in Siginstone lane. The RLDP mentions this scheme several times but no response has been forth coming. The village floods and for many many years. The council and the Welsh government have put in funding to solve this but nothing has yet happened. Indeed in the RLDP it is mentioned extensively that the village floods but we cannot see what specific directions have been made to resolve this problem. I urge the Vale council to liaise with the Welsh government about bringing this forward and mention in the deposit plan.
I appreciate that the costs of the plan increased substantially with the fuel costs of the Ukraine war and probable is increasing again. However, parts of the plan, reprofiling the road and channeling flood water away from housing could have made a difference without the extensive earth works in fields referred too above. If my suggestion of extensive tree planting in above fields instead of bunds and channels had been implemented the risks may already be reduced.

Atodiadau:

Sylw

2 Dogfennau Ategol

ID sylw: 6675

Derbyniwyd: 11/03/2026

Respondent ID: 692

Ymatebydd: Natural Resources Wales (NRW)

Crynodeb o'r Gynrychiolaeth:

We have reviewed the submitted SFCA and agree with the scope of the assessment made.
We note there is currently an upper catchment Natural Flood Management (NFM) / Nature Based Solutions (NbS) project on the Cadoxton to reduce flood risk to Dinas Powys, Any updated SCFA should have regard to NFM schemes being progressed in their area and proposals should be clearly outlined in the Development Plan (in accordance with TAN 15
2025).

Atodiadau:

Sylw

2 Dogfennau Ategol

ID sylw: 7028

Derbyniwyd: 12/03/2026

Respondent ID: 3268

Ymatebydd: Mrs Bethan Pocock

Crynodeb o'r Gynrychiolaeth:

Flood Alleviation
The need for a flood alleviation scheme for Llanmaes is acknowledged on several occasions in the Deposit Plan , thugh unfortunately there are no specific proposals. Having lived in Llanmaes for 7 years, I have whitnessed regular flooding from surface water over the wetter months when the village stream and drains are unable to cope with the volume of water. This water then overwhelms the sewage system in the village resulting in raw sewage flooding a number of homes as well as the village playing field . This flooding also results in road flooding in at least 3 places around the village lanes. This has become an annual occurance, and despite intervention from Welsh Water , the situation has not been resolved. A Welsh Government grant for an alleviation scheme has to date not been implimented and this scheme needs to be revived for the safety of the village residents.

Atodiadau:

Sylw

2 Dogfennau Ategol

ID sylw: 7236

Derbyniwyd: 12/03/2026

Respondent ID: 2148

Ymatebydd: Mr Noel Harris

Crynodeb o'r Gynrychiolaeth:

Flood Alleviation
There is a desperate need for not just a flood alleviation plan, but action to protect the residents of Llanmaes from the continuing effects of flooding in the area. More properties have been affected this year. Recently our own 400-year-old property, which has never been previously affected, was subjected to a backlog of sewage from the main sewer in the road on which we live. Fortunately, a manhole on our drive gave way under the pressure, releasing water and sewage down the road. Otherwise, like other properties in the village we would be at risk of the property itself flooding with sewage.
I would call upon both the Vale of Glamorgan Council and the Welsh Government to come up with a coherent, joined up plan and solution to this long running problem and implement it with urgency.
No building should be allowed in the village until a solution has been completed, there is too much risk to existing properties.

Atodiadau:

Sylw

2 Dogfennau Ategol

ID sylw: 7237

Derbyniwyd: 10/03/2026

Respondent ID: 3578

Ymatebydd: Mrs Julie Garvey

Crynodeb o'r Gynrychiolaeth:

Llanmaes Village currently suffers from flooding and a flood alleviation scheme is desperately needed.

Atodiadau:

Sylw

2 Dogfennau Ategol

ID sylw: 7239

Derbyniwyd: 08/03/2026

Respondent ID: 1846

Ymatebydd: Mrs Janet Harris

Crynodeb o'r Gynrychiolaeth:

There is a desperate need for not just a flood alleviation plan, but action to protect the residents of Llanmaes from the continuing effects of flooding in the area. More properties have been affected this year. Recently our own 400-year-old property, which has never been previously affected was subjected to a backlog of sewage from the main sewer in the road on which we live. Fortunately, a manhole on our drive gave way under the pressure, releasing water and sewage down the road. Otherwise, like other properties in the village we would be at risk of the property itself flooding with sewage.
I would call upon both the Vale of Glamorgan Council and the Welsh Government to come up with a coherent, joined up plan and solution to this long running problem and implement it with urgency.
No building should be allowed in the village until a solution has been completed, there is too much risk to existing properties.

Atodiadau: