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South Wales Metro Task Order 028-I – Taffs Well Depot Outline Planning Heritage Statement March 2018 367590-WTD-CAR-28I-09 Mott MacDonald 35 Newhall Street Birmingham B3 3PU United Kingdom T +44 (0)121 234 1500 F 44 (0)121 200 3295 mottmac.com South Wales Metro 367590-WTD-CAR-28I-09 Task Order Mott MacDonald028-I – Taffs Well Depot Outline Planning Heritage Statement March 2018 Mott MacDonald Limited. Registered in England and Wales no. 1243967. Registered office: Mott MacDonald House, 8-10 Sydenham Road, Croydon CR0 2EE, United Kingdom 367590-WTD-CAR-28I-09 Mott MacDonald | South Wales Metro Task Order 028-I – Taffs Well Depot Outline Planning Heritage Statement Issue and Revision Record Revision Date Originator Checker Approver Description A 20/10/17 K. Luker J. Timothy M. Hopper 1st draft for client comment B 21/11/17 K. Luker J. Timothy M. Hopper First Issue C 14/12/17 K. Luker J. Timothy M. Hopper First Issue Resubmission D 09/03/18 K. Luker J. Timothy M. Hopper Hybrid Planning Application Document reference: 367590-WTD-CAR-28I-09 Information class: Standard This document is issued for the party which commissioned it and for specific purposes connected with the above- captioned project only. It should not be relied upon by any other party or used for any other purpose. We accept no responsibility for the consequences of this document being relied upon by any other party, or being used for any other purpose, or containing any error or omission which is due to an error or omission in data supplied to us by other parties. This document contains confidential information and proprietary intellectual property. It should not be shown to other parties without consent from us and from the party which commissioned it. This report has been pr epared sol el y for use by the party which commissi oned it (the ‘Client’) i n connecti on with the capti oned proj ect. It should not be used for any other purpose. N o person other than the Client or any party who has expressl y agreed ter ms of r eliance with us (the ‘Reci pient(s)’) may rel y on the content, i nformati on or any views expressed i n the repor t. We accept no duty of care, responsi bility or liability to any other r eci pient of thi s document. T his r eport is confi denti al and contains pr opri etar y intell ectual property. No representati on, warranty or under taking, expr ess or i mplied, is made and no responsi bility or liability is accepted by us to any party other than the Cli ent or any Reci pient(s), as to the accuracy or completeness of the i nformati on contai ned i n this r eport. For the avoidance of doubt this r eport does not in any way purport to i nclude any legal , insur ance or fi nanci al advice or opi nion. We disclai m all and any liability whether arising i n tort or contract or other wise which it might otherwise have to any party other than the Cli ent or the Reci pient(s), in r espect of this report, or any infor mation attri buted to i t. We accept no r esponsibility for any error or omission i n the r eport which is due to an error or omission i n data, infor mation or statements supplied to us by other par ties incl udi ng the client (‘D ata’). We have not i ndependentl y verified such D ata and have assumed it to be accurate, complete, reli abl e and current as of the date of such infor mation. Forecasts presented i n this document were pr epared usi ng Data and the report is dependent or based on D ata. Inevitabl y, some of the assumptions used to develop the for ecasts will not be realised and unantici pated events and circumstances may occur. C onsequentl y M ott MacDonal d does not guarantee or warr ant the concl usi ons contained i n the repor t as there are li kel y to be differ ences between the for ecasts and the actual results and those di ffer ences may be material. Whil e we consi der that the infor mation and opini ons gi ven i n this r eport are sound all parti es must rel y on their own skill and j udgement when making use of it. Under no circumstances may this report or any extr act or summar y ther eof be used in connection with any public or pri vate sec urities offering i ncluding any rel ated memorandum or prospectus for any securities offering or stock exchange listing or announcement. 367590-WTD-CAR-28I-09 | March 2018 Mott MacDonald | South Wales Metro Task Order 028-I – Taffs Well Depot Outline Planning Heritage Statement Contents Executive summary 1 1 Introduction 3 1.1 Project Description 3 1.2 Scope of Works 5 2 Methodology 7 2.1 Study area 7 2.2 Desk based research 7 2.3 Surveys 7 2.4 Assessment of potential impact 7 3 Legislation and Policy 9 3.1 Overarching Legislation 9 3.2 National Planning Policy 9 3.2.1 Planning Policy Wales (PPW) 2016 9 3.3 Local Planning Policy 9 3.3.1 Local Development Plan for Rhondda Cynon Taf (LDP) 2006 - 2021 9 4 Baseline 11 4.1 Context of the proposed development area 11 4.2 Historic development 11 5 Key heritage assets and assessment of significance 17 5.1 Mid-19th century railway building and terraced buildings, situated within the proposed development area (undesignated) 17 5.1.1 Assessment of significance 18 5.2 1-11 Alfred’s Terrace (grade II listed) 19 5.2.1 Assessment of significance 19 5.3 Existing CVL (undesignated) 20 5.3.1 Assessment of significance 20 5.4 Dismantled Rhymney and Cardiff rail lines (undesignated) 21 5.4.1 Assessment of significance 22 5.5 Glamorganshire Canal (undesignated) 23 5.5.1 Assessment of significance 24 5.6 Possible archaeological remains 25 6 Impact assessment 26 6.1 Proposed development description 26 367590-WTD-CAR-28I-09 | March 2018 Mott MacDonald | South Wales Metro Task Order 028-I – Taffs Well Depot Outline Planning Heritage Statement 6.1.1 Project Description 26 6.2 Impact on key heritage assets 26 6.2.1 Mid-19th century railway building and terraced buildings, situated within the proposed development area 26 6.2.2 1-11 Alfred’s Terrace 26 6.2.3 Existing CVL 27 6.2.4 Dismantled Rhymney and Cardiff rail lines 27 6.2.5 Glamorganshire Canal 27 6.2.6 Possible archaeological remains 27 7 Mitigation and recommendations 29 7.1 Mitigation by design 29 7.2 Recommendations 29 8 Conclusion 30 Appendices 31 A. All known heritage assets 32 B. Location of all known heritage assets within the study area 37 367590-WTD-CAR-28I-09 | March 2018 Mott MacDonald | South Wales Metro 1 Task Order 028-I – Taffs Well Depot Outline Planning Heritage Statement Executive summary This heritage statement accompanies the Hybrid Planning Application for the construction of the Taffs Well Depot on land at the Garth Works Industrial Estate in Taffs Well (hereafter ‘the proposed development area’). The proposed development comprises of the demolition and site clearance of buildings on the Garth Works Industrial Estate and construction of the Taffs Well Depot as indicated on the masterplan (see Drawings 367590-28I-XX-DR-C-0002 and 0003). The proposed development area is situated principally at the site of the Garth Iron Works, which operated from the late 19th century until the late 20th century. The large complex comprised of a number of buildings and warehouses, with only a railway building and row of terraced buildings surviving today. The proposed development area is intersected by the existing Core Valley Line (CVL), as well as being bordered by the dismantled Cardiff rail line to the east and Rhymney rail line to the west. The proposed development area is also bordered by the infilled Glamorganshire Canal to the east and a row of grade II listed workmen’s cottages are situated approximately 30m west of the proposed development area. This heritage statement has identified the key heritage assets which have the most potential to be impacted by the proposed development. Within the proposed development area, these comprise of; ● Mid-19th century railway building and terraced buildings from the Garth Iron Works (undesignated). Within the surrounding study area, the key heritage assets comprise of: ● 1-11 Alfred’s Terrace (grade II listed); ● Existing CVL (undesignated); ● Dismantled Rhymney and Cardiff rail lines (undesignated); and ● Glamorganshire Canal (undesignated). This heritage statement has found that the railway building and row of terraced buildings within the proposed development area have lost their historical connection from the Garth Iron Works which has diminished the historical and communal value they provide. Due to the low value of the heritage assets the weight given to their preservation in terms of planning policy requirements is considered to be low. The grade II listed workmen’s cottages on Alfred’s Terrace are currently screened from the proposed development area by vegetation. Mitigation will be achieved through the design of the new builds within the proposed development area, which extend to a lower height of the current building and will ensure these assets remain screened and no impacts are made on their settings. The proposed development would remove little, if any, historic fabric of the CVL which would remain operational.