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Get startedTideways is a detached house in Birdham, Chichester, Chichester (PO20 7BB). It has a recorded floor area of 416 m² (around 4478 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (March 2023) shows a C (score 77), near the top of the C band. When first surveyed in July 2020 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and window efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Average. Main heating runs on electricity.
At 416 m² the property is well over the postcode median (181 m² across 9 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Today's modelled estimate of £3,537,000 is 19.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£659/sq ft) was about 82.1% above the typical sold price in the postcode. Sold March 2021 for £2,950,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Tideways's carbon output runs well above what efficient homes in the postcode produce.
A recent planning application at Tideways was refused — worth checking the council file.
Application Number: MLA/2024/00312 Location: Tideways, Lock Lane, Birdham, Chichester, PO20 7BB Proposal: Like for like replacement timber sea wall
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£3,537,000
Modelled from EPC, postcode comparables.
£2,950,000
Recorded with HM Land Registry.
Tideways outperforms the street on co₂ emissions by a wide margin.
Price per m²
£7,091
Street avg £7,636
Floor Area
416 m²
Street avg 438 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.9 km

Daytime· 07:00 – 23:00
40.5dB

Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Like for like replacement timber sea wall on existing sea defence line.
3 more applications for this property
Join to see all planning history.
19 March 2021Most recent
£2,950,000
Median price across the last 5 sales in PO20 7BB: £2,725,000 (2025–2016).
Salterns Lock Lane Birdham Chichester
Sold Sept 2025
1 Pool House Lock Lane Birdham Chichester
Sold Oct 2023
The Red House Lock Lane Birdham Chichester
Sold Sept 2023
The Snipe Lock Lane Birdham Chichester
Sold Mar 2022
Old Lock Cottage Lock Lane Birdham Chichester
Sold Jan 2016
CO₂ Emissions
7.0 t/year
Street avg 11.7 t/year
Sidlesham Lane — bus stop.
Closest school
1.1 km
Birdham CE Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
35.2dB
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