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How to read this comparison
Headline details are agent or publisher claims unless a source-backed fact is explicitly marked verified. Aveno interpretations and calculations are labelled separately. Unknown means evidence is missing, not that a property fails a check.
Newly completed cedar-and-dark-brick contemporary house arranged across five levels
Published description
The Bridge HouseSalterns Lane, Bursledon, Hampshire
Glass-and-steel contemporary eco lake house
Published description
Cwm MawrPen Y Cwm, Pembrokeshire
Award-winning curvilinear contemporary coastal house with a living roof
Published description
Bedrooms & bathrooms
Langley Farm5 bedrooms
6 bathrooms
Agent / publisher claim; layout needs checking.
The Bridge House5 bedrooms
6 bathrooms
Agent / publisher claim; layout needs checking.
Cwm Mawr4 bedrooms
4 bathrooms
Agent / publisher claim; layout needs checking.
Floor area & its limits
Langley FarmApprox. 5,090 sq ftPublished measurement; not independently measured.Measurement qualifications
The agent describes approximately 5,090 sq ft across five levels, cedar and dark-brick cladding, full-height glazing, a cinema, gym, wine room, home office and study.
Signed component measurement resolving 5,090 sq ft against the separate 528 m² record
The Bridge HouseApprox. 3,540 sq ftPublished measurement; not independently measured.Measurement qualifications
The current syndication gives a measured 3,540 sq ft, six bathrooms, Band G, EPC A and an exact Salterns Lane postcode; this lower measured figure is used for price density pending RICS reconciliation.
RICS reconciliation of 3,540 sq ft measured syndication area against the approximately 4,000 sq ft marketing claim
Cwm MawrApprox. 3,455 sq ftPublished measurement; not independently measured.Measurement qualifications
Signed component measurement confirming 3,455 sq ft and treatment of studio, plant, stores and garage, plus a reconciled land schedule
Land, gardens & accommodation
Langley FarmPublished land: approx. 1.063 acres
The agent describes approximately 5,090 sq ft across five levels, cedar and dark-brick cladding, full-height glazing, a cinema, gym, wine room, home office and study.
Agent / publisher claims. Unrecorded amenities and land extent remain unknown.
The Bridge HousePublished land: approx. 8 acres
The listing attributes a one-acre lake, two islands, a Japanese garden, private River Hamble slipway, 17 kW solar array, air-source heat pump, triple glazing, annexe/gym and double carport.
Agent / publisher claims. Unrecorded amenities and land extent remain unknown.
Cwm MawrPublished land: approx. 18.24 acres
The current sources describe a detached freehold house with EPC B, Council Tax Band H, a sweeping drive, double garage, studio, plant room, landscaped wildlife gardens, ponds, terraces, meadows and woodland.
The house is attributed to Tom Kinver and combines curvilinear walls, a living roof, cathedral-height kitchen/dining room, broad coastal glazing and a bedroom wing; Kinver Kreations records the project and its 2020 Best New Home in Wales award.
Agent / publisher claims. Unrecorded amenities and land extent remain unknown.
Energy & completion
Langley Farm
B — public EPC-derived record dated 4 September 2023
Advertised performance does not establish measured use.
Needs checking: Official title number, UPRN and the complete access, boundary, covenant, utility, drainage and landscape obligations
Needs checking: Named architect and the full planning, Building Control, structural, warranty, commissioning and as-built archive
The Bridge House
EPC A · 17 kW solar · air-source heat pump · triple glazing
Advertised performance does not establish measured use.
Needs checking: Complete bridge/lake structural and waterproofing record, planning/completion/warranty pack and property-level flood/drainage evidence
Cwm Mawr
B — attributed by the current original and syndication listings; certificate number and recommendation report remain to retrieve
Advertised performance does not establish measured use.
Needs checking: Complete design, planning, Building Control, structural, warranty and completion archive for the contemporary house, living roof, glazing, terraces, garage, studio, ponds, landscaping and services
Needs checking: Full EPC and systems specification, three years of operating and insurance evidence, and property-level drainage, flood, erosion, ground, tree, ecology and insurability reports
This is a land-and-predecessor-building transaction, not a same-condition comparable. The present house follows a replacement-dwelling permission and must not be treated as the asset sold in 2020.
Transaction source ↗A historical sale is not an earlier asking price; no price reduction is inferred.
The Bridge House£1,200,000 · 11 Aug 2009
Bridge House, Salterns Lane
The current Peter Huf-designed house was completed in 2021. Use the 2009 transfer only after title, transferred-extent and build-chronology reconciliation; it is not a like-for-like sale.
Transaction source ↗A historical sale is not an earlier asking price; no price reduction is inferred.
Cwm Mawr£690,000 · Oct 2017
Cwm Mawr
Exact-address history, not a same-condition valuation comparable. The sale predates the present award-winning house described by public sources as 2018-era; the £3.51m difference requires a dated, approved and costed build-and-land evidence trail.
Transaction source ↗A historical sale is not an earlier asking price; no price reduction is inferred.
Important missing information
Langley Farm
Official title number, UPRN and the complete access, boundary, covenant, utility, drainage and landscape obligations
Named architect and the full planning, Building Control, structural, warranty, commissioning and as-built archive
Signed component measurement resolving 5,090 sq ft against the separate 528 m² record
Measured operating costs and service histories for the all-electric mechanical, environmental, smart-home and security systems
Missing evidence is not a negative finding.
The Bridge House
Official title/UPRN, transferred extent and legal water/slipway/access rights
RICS reconciliation of 3,540 sq ft measured syndication area against the approximately 4,000 sq ft marketing claim
Complete bridge/lake structural and waterproofing record, planning/completion/warranty pack and property-level flood/drainage evidence
Missing evidence is not a negative finding.
Cwm Mawr
Official title number and plan, exact 18-plus-acre extent, access and service rights, coast-path and beach relationship, covenants, overage and any agricultural, habitat or National Park restrictions
Complete design, planning, Building Control, structural, warranty and completion archive for the contemporary house, living roof, glazing, terraces, garage, studio, ponds, landscaping and services
Signed component measurement confirming 3,455 sq ft and treatment of studio, plant, stores and garage, plus a reconciled land schedule
Full EPC and systems specification, three years of operating and insurance evidence, and property-level drainage, flood, erosion, ground, tree, ecology and insurability reports
Missing evidence is not a negative finding.
The reality of ownership
Features can bring both enjoyment and ongoing attention. These observations identify what to investigate, not estimated bills or confirmed defects.
Langley Farm
Glazing
Publisher evidenceThe agent describes approximately 5,090 sq ft across five levels, cedar and dark-brick cladding, full-height glazing, a cinema, gym, wine room, home office and study.
Practical questionWho installed the glazing, what access is needed for cleaning and repairs, and are warranties transferable?
Energy and systems
Publisher evidenceThe published technical schedule includes ABB KNX lighting, heating and shading controls, Control4 audio/video, two Mitsubishi Ecodan air-source heat pumps, wet underfloor heating, air conditioning, MVHR, monitored security and biometric entry.
Practical questionCan you provide the current EPC, commissioning certificates, warranties and recent measured energy use?
Ask before you view
Who installed the glazing, what access is needed for cleaning and repairs, and are warranties transferable?
Can you provide the current EPC, commissioning certificates, warranties and recent measured energy use?
What evidence can you provide before a viewing to resolve: Official title number, UPRN and the complete access, boundary, covenant, utility, drainage and landscape obligations?
For Langley Farm's advertised 5 bedrooms, which share a level with a bathroom and living space, and what steps are on the route from parking?
Occasional occupation: ask who checks this property while empty and what its services and insurance require.
Agent / publisher claimArchitecture and specification
A newly completed 5,090 sq ft cedar-and-dark-brick smart house across five levels, with full-height glazing, cinema, gym, wine room and an all-electric heat-pump specification.
The official title-and-UPRN pack joined to a signed component measurement and the complete planning, Building Control, latent-defect warranty and commissioning archive for the replacement dwelling.
Publisher evidenceThe listing attributes a one-acre lake, two islands, a Japanese garden, private River Hamble slipway, 17 kW solar array, air-source heat pump, triple glazing, annexe/gym and double carport.
Practical questionWho maintains the gardens and grounds, what is included in the sale, and can you provide the maintenance schedule?
Energy and systems
Publisher evidenceThe current syndication gives a measured 3,540 sq ft, six bathrooms, Band G, EPC A and an exact Salterns Lane postcode; this lower measured figure is used for price density pending RICS reconciliation.
Practical questionCan you provide the current EPC, commissioning certificates, warranties and recent measured energy use?
Works and completion
Publisher evidenceA working exact-property Vimeo film published by Luxury Cottages matches the name, architecture, 2021 completion, woodland and lakeside setting.
Practical questionCan you provide completion certificates, outstanding works, transferable warranties and the snagging record?
Ask before you view
Who maintains the gardens and grounds, what is included in the sale, and can you provide the maintenance schedule?
Who installed the glazing, what access is needed for cleaning and repairs, and are warranties transferable?
Which accommodation is approved for its advertised use, and are access, services and heating independent?
What evidence can you provide before a viewing to resolve: Official title/UPRN, transferred extent and legal water/slipway/access rights?
For The Bridge House's advertised 5 bedrooms, which share a level with a bathroom and living space, and what steps are on the route from parking?
Occasional occupation: ask who checks this property while empty and what its services and insurance require.
The title-and-water-rights pack joined to the complete structural/lake engineering, planning, completion, warranty and RICS component-measurement dossier.
Publisher evidenceThe current sources describe a detached freehold house with EPC B, Council Tax Band H, a sweeping drive, double garage, studio, plant room, landscaped wildlife gardens, ponds, terraces, meadows and woodland.
Practical questionWho maintains the gardens and grounds, what is included in the sale, and can you provide the maintenance schedule?
Glazing
Publisher evidenceThe house is attributed to Tom Kinver and combines curvilinear walls, a living roof, cathedral-height kitchen/dining room, broad coastal glazing and a bedroom wing; Kinver Kreations records the project and its 2020 Best New Home in Wales award.
Practical questionWho installed the glazing, what access is needed for cleaning and repairs, and are warranties transferable?
Ask before you view
Who maintains the gardens and grounds, what is included in the sale, and can you provide the maintenance schedule?
Who installed the glazing, what access is needed for cleaning and repairs, and are warranties transferable?
Can you provide the current EPC, commissioning certificates, warranties and recent measured energy use?
What evidence can you provide before a viewing to resolve: Official title number and plan, exact 18-plus-acre extent, access and service rights, coast-path and beach relationship, covenants, overage and any agricultural, habitat or National Park restrictions?
For Cwm Mawr's advertised 4 bedrooms, which share a level with a bathroom and living space, and what steps are on the route from parking?
Occasional occupation: ask who checks this property while empty and what its services and insurance require.
Agent / publisher claimArchitecture and specification
Tom Kinver's curvilinear coastal house above St Brides Bay: 3,455 sq ft, four bedroom suites, a living roof and more than 18 acres of gardens, meadows and woodland.
The official title-and-plan pack joined to the complete National Park design/consent/completion archive, signed component and land measurements, specialist living-roof/coastal building surveys and three years of energy, landscape, maintenance and insurance evidence.
Before You View supports initial research. It does not replace a survey, legal checks or professional valuation. Confirm availability and dated information with the selling agent before arranging a viewing.
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